CLASS - XI HOTS SESSION (2016-17)

SUBJECT- ENGLISH

1. The grandmother herself was not formally educated but was serious about the author’s education. How does the text support this?

2. Ranga’s life is influenced by a blend of English and Indian customs. Elaborate. 3. ‘When the people are pious & good even nature mourns their death.’ Justify with

reference to ‘The Portrait of a lady’. 4. The grandmother is an ideal model for Khushwant Singh’s Portrait of a Lady.

Comment. 5. Khushwant Singh’s grandmother was a religious lady. Write in about 100 words

how spirituality can be combined with religion to make this world a better place to live.

6. The three stanzas in the poem ‘A Photograph’ depict three different phases. What are they?

7. What impression do you form of the poet’s mother after reading the poem ‘A Photograph’?

8. How has the poetess expressed her sense of loss in the poem ‘A Photograph’? 9. How did the voyagers on Wavewalker finally manage to reach the Ile

Amsterdam? 10. The children showed maturity beyond their years. Discuss. (We’re Not

afraid……..) 11. What difference did you notice between the reaction of the adults & the children

when faced with danger? 12. Why do you think people undertake such adventurous expeditions in spite of the

risks involved? (We’re Not Afraid to Die)

13. Explain the statement, “king Tut….. in death as in life, moving regally ahead of his countrymen”.

14. The mummy of Tut has undergone a CT scan that offers new clues about his life and death and data for an accurate forensic reconstruction. In the light of this statement write your comments in 100 words whether scientific intervention undermines funerary practices. Further, does science oppose what custom and religion preach?

15. There is a parallel drawn between rain and music in the poem ‘The Voice of the Rain’. Explain.

16. What does the phrase ‘strange to tell’ mean? 17. Why did John Byro visit Aram’s house in his surrey after getting his horse back?

18. Identify the elements of humour in the story ‘The Summer of a beautiful white horse’.

19. ‘I have an understanding with the horse.’ Justify Mourad’s statement with reference to his concern for animals.

20. Explain: “I stopped, horrified. I was in a room I knew and did not know.” 21. Why do you think Mrs Dorling, knowingly refused to recognize the narrator when

they meet years after?

HOTS-2016/CLASS-XI/MATHEMATICS

1. Express the set {(푥, 푦): 푥 + 2푦 = 1, 푥, 푦 ∈ 푁} as the set of ordered pairs.

2. Let 푉 = { 푎, 푒, 푖, 표, 푢} and 퐵 = {푎, 푖, 푘, 푢}. Find 푉 – 퐵 푎푛푑 퐵 – 푉. 3. List all subsets of {−1, 0, 1} 4. Let 퐴 = {푒, 푓,푔}, Write the subsets and power set of set A. 5. From a group of 50 persons, 32 take eggs, 25 take meat and 15 take both eggs and

meat. How many of them are pure vegetarians?

6. Prove that (1 + 푖) (1 + ) = 16.

7. Express in the standard form 푎 + 푖푏. 8. Reduce this into standard form: 1

1−2푖 + 31+푖

3+4푖2−4푖 .

9. Find the conjugates of the complex number: 13+5푖 .

10. Find the square root of – 15 – 8푖. 11. Represent the complex number 푧 = 1 + 푖√3 in the Polar form. 12. Solve : 5푥2 + 푥 + 5 = 0. 13. Solve the inequality for real x: 3푥−1

5 ≤ 2− 푥+13 .

14. Solve the following system of inequalities graphically; 푥 + 2푦 ≤ 8 ; 2푥 + 푦 ≤ 8 ; 푥 ≥ 0; 푦 ≥ 0

15. Prove the followings by using Principle of Mathematical Induction:

1 + 4 + 7 + … … … + (3푛 − 2) =12푛(3푛 − 1)

16. Prove by induction 2.7푛 + 3.5푛 – 5 is divisible by 24 for all 푛 휖푁. 17. If 푃 = { 1,2 }, form the set 푃× 푃× 푃.

18. Find the range of function: 푓(푥) = 16−푥2. 19. Determine the domain and range of the relation 푅 defined by

푅 = {(푥,푥 + 5) ∶ 푥 ∈ {0, 1, 2, 3, 4, 5}}. 20. The sums of 푛 terms of two arithmetic progressions are in the ratio

5푛 + 4 ∶ 9푛 + 6. Find the ratio of their 18푡ℎ terms. 21. Find the sum of the series 12 + 42 + 72 + ⋯.

22. Find the least 푛 for which the sum of the series 1 + 2 + 4 + 8 + . . . . . . . . . . . 푖푠 푔푟푒푎푡푒푟 푡ℎ푎푛 10000.

23. Prove : 푡푎푛퐴 푡푎푛5퐴 푡푎푛6퐴 = 푡푎푛6퐴 – 푡푎푛5퐴 – 푡푎푛퐴. 24. Evaluate: 푠푖푛 130° 퐶표푠 110° + 퐶표푠 130° 푠푖푛 110°. 25. If + 퐵 + 퐶 = 휋 . Prove that:

퐶표푠2퐴 + 퐶표푠2퐵 – 퐶표푠2퐶 = 1 – 2푆푖푛퐴.푆푖푛퐵.퐶표푠퐶 26. Solve the inequality for real x: 8푥

4푥−7 < 2, 푥 − 7 < 0 .

27. Find the modulus and principal argument of – 2 푖. 28. Find the multiplicative inverse of 1 − 푖. 29. If 푧 = 4 + 7푖, 푧2 = 1− 푖, find 퐼푚(푧1. 푧 ). 30. The sums of n terms of two arithmetic progressions are in the ratio

5푛 + 4 ∶ 9푛 + 6. Find the ratio of their 18푡ℎ terms. 31. Show that the sum of (푚 + 푛)푡ℎ 푎푛푑 (푚 – 푛)푡ℎ terms of an A.P. is equal to twice the

mth term. 32. If 푎 = 푛 + 3푛. Find 푆 . 33. The sum of n terms of two arithmetic progressions are in the ratio

(3푛 + 8) ∶ (7푛 + 15). Find the ratio of their 12푡ℎ terms. 34. The ratio of the sums of 푛 terms of two A.P is (7푛 + 1) ∶ (4푛 + 7). Find the ratio of

their 11푡ℎ terms. 35. The ratio of the sums of 푛 terms of two A.P is (3푛 + 4): (5푛 + 6).Find the ratio of

their 5 푡ℎ terms.

PHYSICS

Q1 How would you criticize the statement: “Once you have picked a standard, by the very meaning of ‘standard’ it is invariable?

Q2 What does the prefix “ micro “ signify in the words “microwave oven”? It has been proposed that food that has been irradiated by gamma rays to lengthen its shelf life be marked “picowaved “.What do you suppose that means ?

Q3 Evaluate 37.76+0.132 to the correct number of significant figures.

Evaluate 16.264- 16.26325 to the correct number of significant figures.

Q4 Of the following situations ,which one is impossible?

(a) A body having velocity east and acceleration east. (b) A body having velocity east and acceleration west. (c) A body having zero velocity but acceleration not zero. (d) A body having constant acceleration and variable velocity.

(e) A body having constant velocity and variable acceleration.

Q5 Can the velocity of an object reverse direction when its acceleration is constant? If so, give an example;if not, explain why?

Q6 A person standing on the edge of a cliff at some height above the ground throws one ball straight up with initial velocity voand then throws another ball straight down with same initial speed. Which ball, has the larger speed when it hits the ground ? Neglect air resistance.

Q7 A graph of height versus time for an object thrown vertically upwards is a parabola The path of a projectile, thrown upward but not vertically upward, is also a parabola. Is this a coincidence? Justify your answer.

Q8 A ball rolls off the top of a stairway with a horizontal velocity of magnitude 5.0 ft/s. The steps are

8.0 in wide. Which step will the ball hit the first?

Q9 A crate , heavier than you are, rests on a rough floor. The coefficient of static friction between the crate and the floor is the same as that between the soles of your shoes and the floor. Can you push the crate across the floor?

Q10 Explain how an airbag in an automobile may help to protect a passenger from serious injury in case of a collision.

Q 11 If only an external force can change the state of motion of the centre of mass of a body, how does it happen that the internal force of the brakes can bring a car to rest ?

Q12 Orbiting satellites occasionally burn up during their descent to earth. However,they do not burn up during their ascent into orbit . Explain.

Q13 A driver takes 0.20s to apply the brakes after he sees a need for it. This is called the reaction time of the driver. If he is driving a car at a speed of 54km/h and the brakes cause a deceleration of 6m/s2, find the distance travelled by the car after he sees the need to put the brakes on.

Q14 A person sitting on the top of a tall building is dropping balls at regular intervals of one second. Find the positions of the 3rd ,4th and 5th ball when the 6th ball is being dropped .

Q15 A bomb is dropped from a plane flying horizontally with uniform speed . Show that the bomb will explode vertically below the plane . Is the statement true if the plane flies with uniform speed but not horizontally ?

Q16 A person is standing on a truck moving with a constant velocity of 14.7 m/s on a horizontal road. The man throws a ball in such a way that it returns to the truck after the truck has moved 58.8 m . Find the speed and the angle of projection (a) as seen from the truck (b) as seen from the road .

Q17 The apparent weight of an object increases in an elevator while accelerating upward. A moongpliwala sells his moongphali using a beam balance in an elevator. Will he gain more if the elevator is accelerating up?

Q18 According to Newton’s third law each team pulls the opposite team with equal force in a tug-of-war. Why then one team wins and other losses?

Q19 A monkey of mass 15kg is climbing on a rope with one end fixed to the ceiling. If it wishes to go up with an acceleration of 1m/s2, how much force should it apply to the rope? If the rope is five meter long and the monkey starts from rest, how much time will it take to reach the ceiling?

Q20 Spring fitted doors close by themselves when released. You want to keep the door open for a long time, say for an hour. If you put ahalf kg stone in front of the open door, it does not help. The stone slides with the door and the door gets closed. However, if you sandwitch a 20g piece of wood in the small gap between the door and the floor the door stays open. Explain why a much lighter piece of wood is able to keep the door open, while the heavy stone fails?

Q21 A car starts from rest on a half km long bridge. The coefficient of friction between the tyre and the road is 1.0. Show that one cannot drive through the bridge in less than 10s.

Q22 After a good meal at a party, you wash your hands and find that you have forgotten to bring your handkerchief, you shake your hands vigorously to remove the water as much as you can. Why is water removed from this process?

Q23 A bird while flying takes a left turn , where does it get the centripetal force from ?

Q24 When you lift a box from the floor and put it on an almirah the potential energy of the box increases, but there is no change in its kinetic energy. Is it a violation of conservation of energy?

Q25 The weight of an object is more at the poles than at the equator. Is it beneficial to purchase goods at equator and sell them at pole? Does it matter whether a spring balance is used or an equal – beam balance is used ?

Q26 If heavier bodies are attracted more strongly by the earth , why don’t they fall faster than the lighter bodies ?

Q27 Three particles of mass m each are placed at the three corners of an equilateral triangle of side a . Find the work which should be done on this system to increase the sides of the triangle to a .

Q28 Mountain roads rarely go straight up the slope , but wind up gradually. Why ?

Q29 A truck and a car moving with same kinetic energy on a straight road , their engines are simultaneously switched off , which one will stop at a lesser distance ?

Q30 A massless pan is placed on an elastic spring . Spring is compressed by 0.01 m when a sand bag of mass 0.1 kg is dropped on it from a height of 0.24 m . From what height should the sand bag be dropped to cause a compression of 0.06 m ?

Q31The gravitational force on the earth due to the Sun is greater than Moon . However tidal effect due to the moon’s pull is greater than the tidal effect due to the Sun .Why ?

Q32 A man can jump 1.5m high on earth . Calculate the height he may be able to jump on a planet whose density is one fourth that of the earth and whose radius is one third of the earth ?

Q33 If nth division of main scale coincides with (n+1)th division ofvernier scale, find the least count of the vernier. Given one main scale division is equal to ‘a’ units.

Q34 A gas bubble, from an explosion under water oscillates with a period T proportionate to padbEc, where p is the static pressure, d is the density of water and E is the total energy of the explosion. Find the values of a, b and c.

Q35 A wire has a mass 0.3±0.003g, radius 0.5 ±0.005mm and length 6 ±0.06cm.What is the maximum %age error in the measurement of density?

Q36 The acceleration experienced by a boat after the engine is cut-off, is given by dv/dt= -kv3, where k is constant. If v0isthe magnitude of the velocity at cut-off, find the magnitude of the velocity at time t after the cut-off.

Q37 The relation between time t and distance x is t=ax2 + bx where a and b are constants. Express the instantaneous acceleration in terms of instantaneous velocity.

Q38 A person travelling eastward with a speed of 3 km/hr finds that wind seems to blow from north. On doubling his speed, the wind appears to flow from north-east. Find the magnitude of the actual velocity of the wind.

Q39 A ball is thrown from a point with a speed v0 at an angle of projection θ. From the same point and at the same instant a person starts running witha constant speed v0/2 to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection?

Q40 If two balls are projected at an angle of 600 and 450 and total heights reached are same, then what is the ratio of their initial velocities?

Q41 A block of mass 0.1kg is held against the wall by applying a horizontal force of 5N on the block. If the coefficient of friction between the block and the wall is 0.5 , what is the magnitude of the frictional force acting on the block?

Q42 A light string passing over smooth light pulley connects two blocks of masses m1

and m2 (vertically). If the acceleration of the system is g/8, then what is the ration of masses m2/m1.

Q43 A mass of 1kg is thrown up with a velocity of 100m/s. After 5s it explodes into two parts. One part of mass 400g comes down with a velocity 25m/s what is the velocity of other part?

Q44 A particle of mass m is moving in a horizontal circle of radius r, under a centripetal force = -k/r2, where k is a constant. What is the total energy of a particle?

Q45 The distance between the centers of two stars is 10a. The massesof these stars are m and 16m and their radii a and 2a respectively. A body of mass m is fired straight from the surface of larger star towards the smaller star. What should be its minimum speed to reach the surface of the smaller star? Obtain the expression in terms of G, M and a.

CHEMISTRY CLASS XI (HOTS)

1.Which law correlates the mass and volume of a gas?

2. What is the difference between Molarity and Molality?

3.Out of 1M H2S04 and 1N H2SO4 which is more concentrated and why?

4.An electron and a proton are possessing the same amount of kinetic energy.Which of the two has greater wavelength

5. How many electrons can be filled in all the orbitals with n+l=5

6. What is the difference between angular momemtum of an electron present in 3p orbital and that of an electron present in 4p orbital?

7. Explain the geometry of water and ammonia molecule in terms of bond angle II and valence Bond theory.

8. Define Octet rule.write its significance and its limitations.

9. Using MOT explain why Be molecule does not exist

10. State with reasons which is more acidic: Anhydrous HCl or aqueous HCl.

11. 1Kg of coal is burnt separately in a closed container and in an open vessel.Will the heat evolved

In both the cases be same or different?

12. The Entropy of steam is more than that of water at its boiling point. Explain

13The enthalpy of vaapourisation of CCl4 is 30.5Kjmol-1.Calculate the heat required for the vaporization of 284 gms of CCl4 aatconstantpressure

14 The molar enthalpy of vapourisation of acetone is less than that of water Why?

15 Calculate the free energy change on dissolving 1 mole of NaCl at 250C Lattice energy is 777.8KJmol-1 Hydration energy is -774kJmol-1 of sodium chloride. Changeiin Entropy is 0.043kJmol-1K-1s

16 What is meant by Bond order .calculate the bond order of N2 O2 O2- and O2—

17. The enthalpy of formation of ammonia is -46.0kJmol-1.calculate the enthalpy of the reverse reaction?

18. When 0.2g of 1-butanol was burnt the heat evolved raises the temperature of 200g of water by 50C calculate the enthalpy of combustion of 1-butanol?

19 Bond dissociation enthalpy of hydrogen, chlorine and HCl molecule are 434. 242 and 431 Kjmol-1calculate the enthalpy of formation of HCl

20. How will you account for the fact that the entropy of ice is less than that of water?

21. Same mass of methane and hydrogen is taken in a container. Calculate the partial pressure caused by hydrogen.

22. Calculate the volume occupied by 8.8g of carbon dioxide gas at 31.1 C and 1 bar pressure

23.Equal volumes of two gases A and B diffuse through a porous pot in 20 and 10 secsresp.If the molar mass of the gas A is 80 find the molar mass of gas B?

24.KHF2 exists while KHCl2 does not, explain

25. NaCl gives a white precipitate with AgNO3 but CCl4 does not givea white precipitate why?

26. If the combustion of 1g of graphite produces 20.7 kJ of heat what will be molar enthalpy change? Give the significance of the sign also?

27.The density of a gas is found to be 5.46g/dm3 at 27o C and under 2 bar pressure. What will be its density at STP

28. The work function for caesium atom is 1.9eV. Calculate a) the threshold wavelength andb)the threshold frequency of the radiation . If the caesium element is irradiated with a wavelength 500nmcalculate the kinetic energy and velocity of the ejected photoelectron.

29.If 4g of NaOH dissolves in 36g of water calculate the mole fraction of each component in the solution.Also determine the molarity of solution.

30. Calculate the volume of 1.0M of aqueous solution of sodium hydroxide that is neutralized by 200mL of 2.0M aqueous HCl and the mass of NaCl produced.

Biology HOTS (TERM I) Diversity of Living Organisms 1. What changes are needed to convert a prokaryotic cell into a eukaryotic cell? 2 2. Give one distinct characteristic which separates human being from all other living organisms.1

3. Ravi is a biology student. He visited a zoological park with his younger brother and in front of the lion enclosure they observed an information board with Panthera leo written on it. His brother was confused what it meant. What would Ravi explain to him? 1

4. The common name of pea is simpler than its botanical name Pisum sativum. Why then is the simpler common name not used instead of the complex scientific name in biology? 1

5. Suppose you accidentally find an old preserved permanent slide without a label. In your effort to identify it you placed the slide under microscope and observe the following features:

a.Unicellular b)well defined nucleus c) biflagellate –one flagellum lying longitudinally and the other transversely. What would you identify it as? Can you name the kingdom it belongs to? 2

6. A virus is considered as a living organism and an obligate parasite when inside a host cell. But virus is not classified alongwith bacteria or fungi. What are the characteristics of virus that are similar to nonliving objects? 2

7. Why is the spread of living pteridophytes limited and restricted to narrow geographical regions? 2

8. Aniket visited Deer Park and found the lake there had green coloured water. What could be the green colour of water due to? 1

9. On rainy days you find green carpet like structure on the walls. Which plant group does it belong to? What are such plants commonly known as? 2

10. Lichen is usually cited as an example of symbiosis in plants where an algal and fungal species live together for their mutual benefit. Which of the following will happen if algal and fungal partners are separated from one another?

a) Both will survive normally and independent of each other. b) Both will die c) Algal component will survive while fungal component will die d) Fungal component will survive while algal component will die.

Based on your answer how do you justify this assosciation as symbiosis? 3

11. What is the importance of pneumatic bones and air sacs in Aves? 2

12. To which Phylum of Sand dollars, sea cucumbers and sea lilies belong to? What kind of symmetry do the adult representatives of this phylum have? Also mention what is specific about their body cavity? 3

13. Kshitij was watching discovery channel and he came to know about an animal which has a prominent head bearing large eyes and foot is modified partly into funnel and partly into 8-10 sucker bearing arms that surround the mouth. Identify the phylum to which this animal belongs and also one characteristic feature of the phylum. 2

14. There is a group of animals commonly called as ‘animals with jointed feet’, They have bilateral symmetry, are triploblastic, have open circulatory system and malphigian tubules as excretory organs. Identify the phylum. Give an example of their fossil member representative. 2

15. The young one of an animal looks different from the adult member. The body of both the young one and the adult can be divided in two equal halves. In young ones we can label the two halves as left and right one but we cannot do so in adult form. a) Identify the phylum. b) What kind of development is being shown? c) What kind the symmetry is possessed by young one and the adult? 3

16. Hitesh’s mother purchased a plant from the gardener. The plant leaves had parallel venation, and the flowers of the plant were having beautiful purple petals. Harish observed each flower had precisely six petals without any mistake. He was surprised by the precision in nature and also was able to identify the group the plant belonged to? What conclusions could Hitesh have drawn about the plant classification and how? 2 Structural Organisation in Plants and Animals 17. You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example, which usually grows in shallow water or in marshy lands. What part of the plant is modified into pitcher? How does this modification help the plant for food even though it can photosynthesize like any other green plant? 2 18.Three students described the floral characters of a plant belonging to family Liliaceae. One of them described correctly and the other two were wrong. Who was correct and which characters were described wrong by the other two? Student A: Tetramerous, actinomorphic, polyphyllus, unilocular ovary, axile placentation Student B: Trimerous, actinomorphic, polyandrous, superior ovary, axile placentation Student C: Trimerous , zygomorphic. Gamophyllos, inferior ovary, marginal placentation 1 19. Select a plant which grows in swampy areas, giving reasons. Plant A: Develops haustoria for absorption of food Plant B: Develops prop roots for support Plant C: Develops pneumatophores to get oxygen for respiration. 1 20. Vinit’s mother had invited some relatives and she was doing preparations for cooking the dinner. Vinit decided to assist his mother and started chopping some vegetables. He observed seeds in the vegetables were arranged differently as shown :

Identify the placentation and the vegetables in which they are found. 2 21. Name the layer which separates endosperm from embryo in a monocotyledonous seed. Where does the cotyledon of a maize grain (monocotyledonous seed) lie? What is it called? Give its functions. 3

22. Identify the tissue which shows the following features: a) All the cells are of open type b) The cells are living and have thin cellulose wall c) The cells have prominent nuclei and very few vacuoles 1 d) The cells divide regularly 23. Identify the plant material which shows the following anatomical features- a) the vascular bundles are conjoint, scattered and surrounded by a sclerenchymatous sheath. b) Phloem parenchyma is absent. Give the reasons for your identification. 2 24. What features will you look for in a transverse section to confirm that it is a dicotyledonous root? 3 25. While strolling in a garden, you observe a cut wood log. Can you estimate the age of the tree from which it was removed? Give explanation. 2 26.a) Why do frogs croak in the rainy season? 2 b) Why don’t we find frogs during summers? 27.a)In rainy season if you visit a garden , you may find some worm like creatures burrowing in soil. You will also find small rounded pills consisting of undigested matter and soil that are passed out by these worms in large numbers. a) Identify this worm which is known to improve the soil fertility. b) The worm is hermaphrodite but still shows cross fertilization. Give reason. c) What is the main food of these worms? 3 28. How can you identify whether a cockroach in your kitchen is a male or a female? 2 Cell: Structure and function 29. Every organism develops from a single celled zygote. From your understanding of sexual reproduction and cell organelles, identify the DNA molecule which is always inherited from the mother only. As a result all the offsprings from a mother will have the same DNA copy and it will also be the same as their maternal grandmother. 1 30. Which cell organelles are semiautonomous and partially independent in terms of their protein synthesis? Why is it so? 2 31. Sometimes we need to take a glucose drip when we are not well. The osmolarity of the glucose drip is regulated before injecting it in body. The solution injected is having

same concentration as that of our blood. What is the reason behind it? What do you think will happen if the solution injected is highly concentrated or diluted? 3 32. Nucleic Acids (NA) are the polymers of nucleotides and are very long in dimensions as compared to nucleus of a cell where they are present. Nucleic acids are therefore packed compactly so that they can be accommodated in nucleus. This packaging is possible because of some proteins that attach to DNA. Comment on the nature of the proteins-whether they would be acidic, basic or neutral. Give reason in support of your answer. 2 33. From the following list of substances Identify the macromolecules present in the cells:Oxygen, maltose, starch, heparin, deoxyribonucleic acid, glycine, nucleotides, beewax 3 34. Enzymes make life possible. Comment on this statement. 2 35. Cell organelles are safe inside a cell, despite the presence of suicidal bag i.e. lysosome. Explain. 2

COMPUTER SCIENCE Term-I

Computer Overview

1. Write a short note on language processors. 2. What is the difference between data and information? 3. What are the different generations of computers? Compare the features of various generations with examples. 4. What are the different types of digital computers based on their size and performance? 5. Write a short note on Classification of Softwares. 6. List the various functions performed by the operating system? 7. Define hardware, software, firmware and livewire. 8. How are analog, digital and hybrid computers different from one another? Data Representation

9. Convert the following: (i) (97)10 to binary (ii) (63.25) 10 to binary (iii) (110.01) 2 to decimal

(iv) (111011110101)2 to hexadecimal (v) (5B7D)16 to binary (vi) (5A9)16 to decimal (vii) (510)10 to hexadecimal (viii) (11001101110)2 to octal (ix) (5371)8 to binary (x) (5737)8 to decimal (xi) (257)10 to octal 10. Find the eight bit two’s complement form of (-15)10 11. Write a short note on – (i) Sign and magnitude representation of integers (ii) Binary Representation of Real Numbers (iii) Unicode Computer FUNDAMENTALS 13. What are data types? 14. In what categories data types are divided? 15. Define a variable 16. Differentiate between declaration, definition and initialization of a variable. 17. Define a constant 18. Differentiate between 1, ‘1’, “1” 19. Give examples of integer,float,character and string constant 20. Why is char often treated as integers? 21. Can integer value be stored in float variables and vice versa? 22. Can char be stored in int variables and vice versa? 23. What is #include called and why? 24. What are various types of operators 25. Differentiate between unary, binary and ternary operator 26.. How is postfix operator different from prefix? Which has higher priority? 27. Give the priority of all operators? 28. What is the difference between = and = = ? 29. Differentiate between simple and compound statements. 30. What are put in and get from operators? 31. Differentiate between syntax,logical and runtime errors. 32. What is the difference between keyword and identifier? Getting Started with C++

33. What are literals ? Explain the different types of literals being used in C++.

34. Which of the following are valid/ invalid operands :

height , main , rollno-5 , my address , 2day , class

35. What is the difference between ‘5’ , 5 and “ 5” ?

36. Identify the errors in the following program :

void main()

{

int x

charendl;

x=3;

cin>>endl;

cout<<x<<3

}

37. Explain the two different ways to give comments in C++.

38. Differentiate between ‘<<’ and ‘>>’ operators.

39. ‘Every C++ program must have a main().’ Why ?

40. What will be the output of the following code :

(i) cout<<” #\n**\n###\n****\n “;

(ii) char a= ‘@’;

cout<< a;

cout<<’a’;

ACCOUNTANCY XI -HOTS-2016

1. Accounting records transactions and events that can be measured in money terms.

2. Resignation by a Marketing Manager is not recorded in the books of account. Why?

3. Bookkeeping is not a part of accounting .Do you agree with the statement?

4. Is the basic objective of Bookkeeping to maintain systematic records or to ascertain net results of operations of financial transactions?

5. What is the purpose of a ledger?

6. How will you show interest on drawings in accounting equation?

7. What is meant by Journal proper?

8. What are the objectives of accounting standards?

9. Is accountancy an art or science or both? Explain with reasons.

10. Which basis of accounting gives a correct picture of operating results and financial position of a firm?

11. Give classification of reserve?

12.Rahul the proprietor of M/S R.K.&CO PURCHASED AN AIR –CONDITIONER AND INSTALLED IT IN HIS RESIDENCE. The payment was made by issuing a cheque from the account of M/S.R.K&CO.The accountant debited the drawings account with the amount whereas Rahul is of the view that it should be debited to fixed assests.In your view ,who is correct and why?

13. Which accounting principle requires that personal expenses of proprietor or partners should be debited to drawings account?

14Under which accounting principle, quality of manpower is not recorded in the books of account?

15. Which concept assumes that a business enterprise will not be liquidated in near future?

16. Accounting Principles are not static. Information contained in accounting may be manipulated by the accountant. There are several methods of recording the value of unsold stock or charging depreciation etc. by adopting different methods, the position of

net profit or assets can be increased or decreased depending on the requirement of the management. It means accounting is subject to window dressing and it fails to depict the true financial position of the enterprise if the accounts were not drawn properly. Identify the value being violated in the above limitation of accounting.

17. Going Concern means with the expectation of continuing indefinitely. This concept underlines the assumption that the enterprise has neither any intention nor any necessity to close the business. Identify the values involved in the assumption of going concern.

18. Production at a factory had to stop for a week due to labour strike. The owner estimated the loss of production and the likely loss of profit arising out of the situation. He directed the accountant to record the loss of profit arising out of the situation. He directed the accountant to record the loss in the books of accounts. Is the owner correct in recording the likely loss? Give reasons.

19. Closing Stock is valued at lower of cost or market price. Which concept of accounting is applied here? Explain the concept.

20.A company lost vital machinery in the accident on 2nd March,2013 which will have adverse impact on its production capacity.AS a result ,it is likely to lose business to its competitors. The company has not disclosed this fact in its annual report for the year ended 31st March, 2013.Do you think it is complying with the convention of full disclosure?

21.An account is not opened in the name of the proprietor in the books of the firm. Give reason.

22.A RS10,000debit balance brought down in the cash book of a firm means that the firm has RS10,000 cash in hand. Do you agree?

23. Purchases book is a record prepared from the invoices from suppliers. Is it correct? Give reasons.

24.In the cash book of a firm, Bank Account showed a credit balance of RS 5,000.There were unpresented cheques amounting to RS1,500.The bank statement showed bank charges of RS 7,00 not recorded in the cash book.What is the balance in the bank statement?

25.A Trial Balance is only a prima facie evidence of the arithmetical accuracy of records. Do you agree with this statement? Give reason.

26.Gurpreet purchased 1,000sq.yards land to build a factory and paid RS15lakhs towards its cost including registration charges ,At the end of the financial year, the value

of the land came down to RS13lakhs.Gurpreet recorded the land at RS 13 lakhs and booked a loss of RS2lakhs.Is he correct in treating the fall in value as a loss?

27. Acommenced his cloth business on 1st April,2012 with a capital of RS30,000.On 31st March2013 his assests were RS 50,000 and liabilities were RS10,000.Find out his closing capital and profits earned during the year.

28. Prepare Accounting Equation:

1. Sandeep started business with cash RS 1, 00,000

2. Purchased furniture for cash RS5, 000

3. Purchased goods for cash RS20, 000

4. Purchased goods on credit RS36, 000

5. Paid rent RS 7, 00

6. Goods costing RS40, 000 sold at a profit 20% for cash

29. Do you think a transaction can break the Accounting Equation?

30. Goods costing RS10, 000 have been sold for cash at 25% profit. How will you show the transaction in the accounting equation?

Subject-Business studies

1. Can a single transaction of sale or purchase of goods termed as business? 2. What do you mean by uncertainty of return in business. 3. Name the economic activity requiring special knowledge and skill. 4. Every businessman expects to get return on what he has invested in business.Name

it. 5. Name the type of hindrance which is removed by Advertising. 6. What does the word innovation mean? 7. What is the name given to the obligation of enterprises to provide resources for

solving social problems? 8. Give an example ofAssembling Industry. 9. Define entrepôt trade. What do you mean by auxiliaries to trade? 10. Name that element of business which can’t be avoided or eliminated by business

firms,but can be minimised. 11. Name the risk which arises due to changes in the condition of market. 12. Name the Act which governs the partnership business. 13. When can a minor be admitted as a partner of a partnership firm? 14. Name that form of business organisation which is found only in India? 15. Name the Act which governs Hindu Undivided family business. 16. List the minimum number of members required to form the cooperative society.

17. Name the principle that governs the working of cooperative societies. 18. Why is common seal necessary in case of a company? 19. Give an example of Indian cooperative society. 20. What is the full form of BIFR? 21. Name the company in which at least 51/ shares are kept by the government. 22. Name the company which operates in more than one company. 23. When was the New Economic Policy introduced in India? 24. What is the main aim of Public Sector enterprises? 25. What is the full form of LPG? 26. Name the Central Bank of India. 27. Mohan usesInternet to deposit and withdraw money from his bank .Name this type

of banking. 28. Who is the present Governor of RBI? 29. State ‘Utmost Good Faith’ as principle of Insurance. 30. A has insured his house for 10,00,000 against fire.There is fire and he suffers a loss

of 1,00,000 .How much amount he can recover from the insurance company? 31. What are benefits of e- banking to customers? 32. What is a cheque? 34. Mention any two risks involved in e- business transaction.

35.What is thepopular name for credit card or debit card?

36. What is outsourcing ?

37.Mention any two strongest trends that are shaping the business in India.

38. Define Business ethics

39.Ram, a foreman in sugar cane factory works overtime . The management does not pay him for the extra hours of work. Is the businessman behaving in a socially responsible manner?

40.X Ltd is a leading manufacturer of hair oil. The product is not genuine but the company misleads consumers through false advertising. Is the company showing socially desirable behaviour?

ECONOMICS (STATISTICS)

CLASS:XI HOTS

1. What are the similarities & dissimilarities between the two methods: questionnaire to be filled by informants and schedules to be filled by enumerators. Explain with examples. 2. How Statistics is helpful in economic analysis? 3. The education ministry is interested in determining the level of education of unmarried girls in the country. How would you organize the survey for this purpose? 4. Statistical thinking is as necessary for efficient citizenship as the ability to read & write..” Explain this statement. 6. “The Government and policymakers use statistical data to formulate suitable policies of economic development.” illustrate with two examples. 8. How statistics in modern times the arithmetic of human welfare. 9. Do you agree that classified data is better than raw data. Why? 10. “ Diagrams are more accurate but more effective than tables in presenting the data”. Explain? 11. Prepare a blank table to show the distribution of population according to sex and four religions in three age groups in Delhi and Mumbai. (INDIAN ECONOMIC DEVELOPMENT) 14. Give a quantitative appraisal of India’s demographic profile during the colonial Period. 15. Indicate the volume and direction of trade at the time of Independence. 16. How import substitution can protect the domestic economy? 17. Why was private sector regulated under the IPR 1956? 18. What is the role of subsidies in the oil sector? 19. Though public sector is very essential for industries, many public sector

undertakings incur huge losses and are a drain on economy’s resources. Discuss the usefulness of public sector undertakings in the light this fact. 20. Take up a case study indicating the difference between strategic and minority sale. 21. How the Navratna policy help the Government in improving their performance? 22. Analyse the achievements and failures of new economic policy. 23. India is benefitting from liberalization and integration of world economies. Comment. 24. If MNCs outsource many services to the countries like India because of cheap manpower, what will happen to people living in the countries where the companies are located? 25. Prepare a pie chart for the occupational structure in India at the time of Independence. 26. Identify the major occupations followed by the people of our country at the time of Independence. 27. Was it necessary for India to introduce economic reforms at the behest of IMF?

Explain.

XI Home Science

HOTS- I Term

1. With reference to motor abilities, suggest two toys each for children at 3 months, 9 months and 3 years. Give reasons for your choice.

2. Sheela’s son is 11months old. She is worried that her son has not yet started working. Educate her about the various stages of development.

3. A child feels afraid of dogs. Suggest ways to tackle the problem.

4. Two friends do not mind sharing a spoon, while having tiffin in school. List two diseases they can transmit to each other along with their symptoms.

5. 14 years old Rahul met with a road accident. His spinal cord was damaged, suggest ways he can continue his education. What obstacles he may face?

6. Sohan is a blind child, whereas Sahil is a slum dweller. Compare their needs and suggest ways to meet them.

7. Crèche should be a second home for a child. Elaborate and support your answer with suitable reasons.

8. Toni is 6 years old, she is looking after her 1 year old brother. Discuss the repercussions of such an arrangement on both the children.

9. Vibha is a teenager whp has recently got married. Educate her about Anganwadi and its benefits.

10. Your friend slipped in the washroom and is finding it difficult to stand. Assuming he has suffered a fracture, what first-aid should he be given before taking him to the doctor?

11. *Raju doesn’t include citrus fruits tomatoes, amla in his diet. What deficiency disease can he suffer from? Give its symptoms and effects.

12. Mrs X is suffering from pain in ankles and has fractured her arm twice. What deficiency is she suffering from? Elaborate on the functions of this nutrient. Suggest its 4 cheap sources.

13. Radha hates eating dal and tomatoes. Which 2 deficiency diseases is she prone to? Give two symptoms of both the diseases.

14. How pickles get spoiled?

15. To enhance her nutrition Radh’s doctor advised her to include idlis and wheat based ladoos in her meals. Give two reasons for his advice.

16. Mr Sharma is sick. Describe a suitable way he can cook the eggs for his breakfast.

17. You have to buy a geyser for your washroom. Elaborate its decision making process.

18. Two year old Mohit is suffering from severe cough and vomiting. Name the possible disease he could be suffering from.

19. Mahima is not sure whether her son is suffering from Cholera or Diarrhoea. Identify three symptoms of each.

20. What are the points you will consider while educating the villagers about ORS?

21. Why would Mrs Verma prefer to leave her two years old child with her mother in-law at home and not in a crèche? Give four reasons.

22. Give four reasons why Mrs Verma prefers to leave her two years old child in a crèche and not with her ten year old daughter.

23. Sohan is a dumb and deaf child. In what ways can parents and teachers help to meet his various needs?

24. Reena is five months old and Bunty is three years old. State two differences in their body proportions.

25. ‘Cultural factors affect the meal planning of a family.’ Support this statement with the help of four examples.

26. Write four ways in which you can utilize your knowledge of child development to supplement your family income.

27. Carbohydrates saves fat and protein. How?

28. Why Vitamin C is called ‘fresh food’ Vitamin?

29. Why the people living at sea shore have a low possibility of the deficiency of iodine?

30. Meal planning without the help of food groups is very laborious and time consuming. How?

POLITICAL SCIENCE(CLASS XI)

1.Why is Indian Constitution bulky?

2.How far do you think has the Indian Constitution been effective?

3.How far is it correct to say that Indian Constitution has passed the test of time?

4.How does a constitution help in giving a fundamental identity to the people?

5. Why are rights fundamental?

6. How does judiciary act as a custodian of the citizen’s rights? Explain.

7. “The right to Freedom is a cluster of several rights.” Explain.

8.How is bureaucracy supposed to be neutral in India?

9.Why did India adopt the FPTP system of representation?

10.How has judicial activism helped in promotion of public welfare in India?

11. What makes an election democratic?

12. How is Prime Minister the real executive?

13. Why have the powers of Indian Prime Minister been reduced in the era of coalition?

14. Why did India adopt a bicameral legislature?

15. How is Lok Sabha is comparatively more powerful than Rajya Sabha?

16. Why do we need an independent judiciary?

17.Why is there a demand for autonomy? What are its effects?

18. How do Local Governments strengthen democracy?

19. Why is the Indian Constitution called as “ Bag of Borrowing” ?

20. Why is 42nd amendment called “ mini constitution” ?

21.Why is India a federal state with a strong unitary bias? Explain.

22.Does autonomy to Jammu and Kashmir erode India federalism? Elicidate.

23.How is the office of Governor a matter of controversy between centre and states?

24.Why do we need decentralization of power at local level?

25.Is the Indian constitution a dynamic or static document? Explain.

Multimedia & Web Technology Class:XI TERM-I

Computer Overview

1. Write a short note on language processors.

2. What is the difference between data and information?

3. What are the different generations of computers? Compare the features of various

generations with examples.

4. What are the different types of digital computers based on their size and performance?

Explain

5. Write a short note on Classification of Softwares.

6. List the various functions performed by the operating system?

7. Define hardware, software, firmware and livewire.

8. How are analog, digital and hybrid computers different from one another?

9. Write Short Notes on Following: Laser printer Touch screen Smart card reader Application software Recycle bin Autoshape Operating system 11. What is the use of HR TAG? Name all the attributes of HR TAG. 12. Write Short Notes on Following Tags with a Suitable Example: a. <BODY> b. <FONT> c. <ALIGN> d. <BGCOLOR> e. <SUB> f. <STRONG> 13. Write differences between : 1. Container Tag and Empty Tag 2. <p> and <br> Tag <10> 3. <WEB PAGE> and <WEB SITE> 4. <HR> AND <BR> 5. <TITLE AND <HEAD>

14. Write the HTML code to generate a Web Page in the format given below : Consider the following points while writing the HTML code:

1. Title of the page should be “Su-Bodh Public School, Jaipur”. 2. Background color of the page should be “lightyellow”. 3. Text color of main heading should be “green” and font style should be “Arial Bold”. 4. Create an unordered list from the given table Graphics Designing as “graphics.html” Game Designing as “game.html” Web Designing as “web.html” Print & Publishing as “print.html”

15. Use the concept of lists to display the given numbering. 16. What are different types of lists explain with an example. 17.Correct the errors in the following HTML code: <HTML> <TITLE>My first Page <BODY> < P Align=centre> This is my first web page</p> </HEAD> </HTML> 18.Write the function of Recycle Bin, Task Bar and Control Panel. 19.Write a short note on evolution of HTML. 20.Differentiate between WYSIWYG and text editor. 21. What is the structure of HTML document. 22.Differentiate between <BR> and <P> tag. 23.Differentiate between <STRONG> and <EM> tag. 24.Differentiate between Logical and Physical tag. 25. Define the following terms: a) WWW b) Hypertext c) URL d) Web Browser e) Markup

SOCIOLOGY HOTS QUESTIONS FOR SA-I

1. Why do you think is sociology also considered as a science? 2. How do various societies differ in terms of their structure? 3. Why is sociological observation different from commonsense knowledge? 4. Why is sociology also called a web of relations? 5. Draw a parallel between different classifications of groups. 6. How does role stereotyping function? 7. Think and explain social control through examples from real life. 8. How, according to you, have roles and status changed over time? 9. Why do you think is terminology so important in sociology? 10. Has there been a change in the sex ratio of the country? What according to you

are the factors responsible? 11. Think and quote any two wedding songs and discuss how they reflect the social

dynamics of marriages and gender relations. 12. How is sociology related to religion? 13. Explain the different kinds of right which may be related to your life. 14. What impact does education as an institution of learning have on you? 15. There is a proverb, “Bringing up a girl is much like watering a plant in another’s

courtyard.” With reference to the above line, discuss how gendered are families today?

16. ‘culture’ and ‘society’ are often used interchangeably. What according to you is the difference between the two?

17. How do you think a child starts developing his identity in relation to the culture he belongs to? Think and explain this process.

18. Why do you think humans intend to apply Ethnocentricism? 19. How are the normative dimensions of culture different in towns and villages? 20. Compare any two cultures you may be familiar with. 21. Why is objectivity important in research? 22. How do you think can a researcher know which is the best method out of the

multiple research tools available? 23. Which according to you is the best method of research? Why?