Compiled past papers of BIOLOGY [Class 09 (2013 16)]

PAST PAPERS

BIOLOGY

(2013-16)

Class 9th

CONTENTS 1. CHAPTER 01 (INTRODUCTION TO BIOLOGY) .............................................................................................5

1.1. SHORT QUESTIONS: .............................................................................................................5

1.2. LONG QUESTIONS: ...............................................................................................................5

2. CHAPTER 02 (SOLVING A BIOLOGICAL PROBLEM) ......................................................................................6

2.1. SHORT QUESTIONS: .............................................................................................................6

2.2. LONG QUESTIONS: ...............................................................................................................6

3. CHAPTER 03 (BIODIVERSITY) ...............................................................................................................7

3.1. SHORT QUESTIONS: .............................................................................................................7

3.2. LONG QUESTIONS: ...............................................................................................................7

4. CHAPTER 04 (CELLS AND TISSUES) ........................................................................................................8

4.1. SHORT QUESTIONS: .............................................................................................................8

4.2. LONG QUESTIONS: ...............................................................................................................8

5. CHAPTER 05 (CELL CYCLE)................................................................................................................ 10

5.1. SHORT QUESTIONS: ........................................................................................................... 10

5.2. LONG QUESTIONS: ............................................................................................................. 10

6. CHAPTER 06 (ENZYMES)................................................................................................................... 11

6.1. SHORT QUESTIONS: ........................................................................................................... 11

6.2. LONG QUESTIONS: ............................................................................................................. 11

7. CHAPTER 07 (BIOENERGETICS)........................................................................................................... 12

7.1. SHORT QUESTIONS: ........................................................................................................... 12

7.2. LONG QUESTIONS: ............................................................................................................. 12

8. CHAPTER 08 (NUTRITION) ................................................................................................................ 13

8.1. SHORT QUESTIONS: ........................................................................................................... 13

8.2. LONG QUESTIONS: ............................................................................................................. 14

9. CHAPTER 09 (TRANSPORT) ............................................................................................................... 15

9.1. SHORT QUESTIONS: ........................................................................................................... 15

9.2. LONG QUESTIONS: ............................................................................................................. 16

1. CHAPTER 01 (INTRODUCTION TO BIOLOGY)

1.1. SHORT QUESTIONS:

What is difference between botany and zoology? -

Write names of any four carriers in biology.

What is meant by colonial organization?

What is horticulture?

Define biotechnology. -

What are parasites? Give example. -

Define biochemistry.

Describe macromolecules with examples.

What is meant by organ system?

Write any two roles of Bu Ali Sena in field of science. –

How biotechnology help mankind? Explain. –

Name the groups of biomolecules.

What is the difference between the function of mitochondria and

ribosome?

1.2. LONG QUESTIONS:

Define community. Explain it with the help of one example.

What is the function of community level in levels of organization?

What is the role of biology with other sciences? Explain any four.

Define biology and write a note on its three divisions.

Write a comprehensive note on farming and forestry.

Write any four carriers related with biology.

Discuss the role of the Muslim scientists in the field of biology.

Biology is divided into different branches. Explain any four.

2. CHAPTER 02 (SOLVING A BIOLOGICAL PROBLEM)


What is difference between qualitative and quantitative observation?

What is scientific law? Give its two examples.

Why welts appear after mosquito bite?

What is theory? –

What is meant by control in the experiment? –

Write observations of A.F.A. King about malaria.

Write literal meaning of “mala” and “aria”.

Differentiate between theory and law.

How quantitative observations are better in biology? Explain.

Define bioinformatics.

How hypothesis is developed?


3. CHAPTER 03 (BIODIVERSITY)


What is meant by species?

Write name of Pakistan’s national bird and animal.

Write two aims of classification. -

Write a short note about Houbara bustard.

What do you know about biodiversity? / Define biodiversity. / write two

points on the importance of biodiversity. -

Define taxonomy and systemic.

Name any four taxa of classification.

Write the biological name of man.

What is the role of over-hunting in extinction?

Write two effects of deforestation.

What is impact of humans on biodiversity?

Why virus is not included in five kingdom system?


Explain three rules followed when giving scientific name to living organism.

Describe the characteristics of kingdom monera with examples.

Explain characteristics of kingdom Plantae and kingdom Protista in detail.

Discuss whether virus is considered living or nonliving?

Describe the significance of binomial nomenclature with examples.

What is meant by taxonomy? Describe taxas of taxonomy orderly.

4. CHAPTER 04 (CELLS AND TISSUES)


What is difference between diffusion and osmosis?

Write main points of cell theory. - -

What is exocytosis?

Draw diagram of mitochondria and label at least two parts.

What is difference between hypertonic and hypotonic solution? -

Define ribosomes.

What is meant by nucleoid? -

What is meant by filtration?

Define reverse osmosis.

Write difference between primary and secondary cell wall.

What are lysosomes? Give their function.

Write function of xylem and phloem tissue?

What is difference between apical meristems and lateral meristems?

Differentiate between phagocytosis and pinocytosis.

Define plasmolysis.

Define diffusion.

Explain difference between endocytosis and exocytosis.

Describe centrioles.


Write short note lysosomes.

What do you know about nucleus? Explain.

Write the types of endoplasmic reticulum.

What is active transport? Explain it with example.

Describe difference between prokaryotic and eukaryotic cells. -

What is diffusion? Explain it with example.

Write a note on meristematic tissue.

Differentiate between plant and animal cells with the help of labeled

diagram.

Explain three main principles / postulates of cell theory.

Explain the structure of cell membrane with example.

Write note on osmosis and diffusion.

Write down structure and function of ribosomes.

Explain the differences between prokaryotic and eukaryotic cells.

5. CHAPTER 05 (CELL CYCLE)


What do you mean by mitosis?

Define crossing over.

What is G-I phase?

Define meiosis.

Explain somatic cells with examples.

What is cytokinesis?

Explain the importance of mitosis.

What are benign and malignant?

Define cell cycle.

Differentiate between somatic cells and gametes.

Define apoptosis.

Give two advantages of apoptosis.

Write down definition of blebs. What is its other name?

Write difference between chromatin and chromosomes.

What is basic difference of plant and animal cell division?

________________________________________


Explain the changes which take place during prophase of mitosis. -

Explain four phases of interphase during cell cycle.

Explain the significance of meiosis.

Write a detailed note on apoptosis. -

Describe about four stages of mitosis.

Describe the importance of mitosis.

6. CHAPTER 06 (ENZYMES)


Write down the name of industries where enzymes are extensively used?

What do you mean by substrate? -

How temperature effect rate of enzymes action?

What is the main use of enzyme in food industry?

Who gave the concept of metabolism? Also define metabolism.

Define co-enzyme. Name the vitamin which acts as co-enzyme.

Write down any two uses of enzymes. -

What is meant by optimum pH?

Define catabolism.

What is meant by prosthetic group?

What is meant by optimum temperature? - -

What is activation energy? Write its role in enzyme action.

What is meant by enzyme activation site? Give its role in enzyme activity. -

Who first used the term enzyme?

Name only factors affecting the rate of enzyme action.

Write any two characteristics of enzymes.

Differentiate between anabolism and catabolism.

What is meant by denaturing of enzyme?


Which characteristics of enzymes make them specific for substrate? -

What is the effect of substrate concentration on enzyme catalyzed

reaction?

Write use of enzyme in food, brewing and paper industry. -

Explain the mechanism of enzyme action.

7. CHAPTER 07 (BIOENERGETICS)


What is photosynthesis? Write its equation.

What is redox reaction?

Why it is said that all life depends on photosynthesis?

Define respiration. Also write its equation.

Define light reaction.

What is meant by cellular respiration? -

ATP is abbreviated for?

Define reduction.

Write a simple and complete equation for the process of photosynthesis.

What is difference between aerobic and anaerobic respiration? - -

What is Kreb’s cycle?

What is meant by photolysis?

What is lactic acid fermentation?


What are light reactions? Explain. -

Write the summary of dark reaction.

Write the mechanism of respiration. -

Compare photosynthesis and respiration.

What is the role of chlorophyll and light in photosynthetic process? Explain.

Describe the summary of reactions of light reaction.

8. CHAPTER 08 (NUTRITION)


Differentiate between autotrophic and heterotrophic organisms.

Explain with example that distinction between organic and inorganic

fertilizers is not always clear cut.

Write down any four deficiency symptoms of vitamin C.

Give two functions of large intestine.

What are macronutrients? Give an example. -

Differentiate between organic and inorganic fertilizers.

Write down the names of two diseases caused by mineral deficiency. -

What is digestion?

Define unsaturated fatty acids.

Name water soluble vitamins.

Write two causes of gastric ulcer.

Name diseases caused by vitamin D deficiency.

Name major sources of proteins in human food. -

Which are inorganic fertilizers?

What are dietary fibers? -

What are the sources of vitamin D?

What is the function of iron and calcium in human diet?

What is diarrhea? Write its two causes.

Name three parts of large intestine.

How water is important in our diet?

Write the symptoms of diarrhea and constipation.

Differentiate between bolus and chime.

What is difference between nutrient and nutrition?

What are vitamins? What are its two major groups?

Define balanced diet.

What is role of vitamin C in body?

Name components of human food.

Write the weight and size of an adult liver.


Why are water and dietary fibres considered important in our diets?

What are bile and pancreas? Give their function.

Write a note on lipids.

Describe the role of gastric glands in stomach.

Write a detailed note on the role of calcium and iron.

Write a note on vitamin A.

Write down the effects of malnutrition.

What is ulcer? Write its causes and symptoms.

Describe two important diseases due to protein energy malnutrition.

Describe digestion and absorption in small intesetine.

Write a note on dietary fibre.

Explain the role of calcium and iron in animals. –

Explain the importance of fertilizers.

9. CHAPTER 09 (TRANSPORT)


Explain two factors which can cause transpirational pull.

Define antigen.

What is angioplasty and Bypass surgery?

What are thrombocytes? Describe their function.

What is fibrinogen? Write down its function.

Write down the name of two systems of transport of material in humans. -

When arteriosclerosis is produced?

Give harmful and beneficial aspects of transpiration.

Define heartbeat.

What is the function of pericardium?

What is called universal donor?

Define stomatal transpiration.

How water is transported in plants?

Name groups of human blood.

What is meant by systemic circulation? -

What is the role of capillaries in human circulatory system?

Patients bleed from the nose, gums, and under the skin in dengue fever.

Give reason.

Define myocardial infarction.

Differentiate between pericardium and pericardial fluid.

Why O blood group individuals are called universal donors?

Which factors affect the rate of transpiration?

How do we classify blood groups in terms of the ABO blood group system?

What is pus? How it is formed?

What role root hairs play in the life of plants?

Define cohesion tension theory.

Describe the preventive measures from dengue fever.

How lubb dubb sound is produced during heartbeat?

Write any two differences between arteries and veins.

Define systole and diastole.

What is the count of WBCs in humans? Also mention its function.

Write causes of dengue fever.


Write a note on ABO blood group system.

Define transpiration. How temperature and humidity affect the rate of

transpiration?

Explain the transport of water in plants.

Discuss factors affecting rate of transpiration.

Where RBCs are formed in humans? Describe their structure and function.

What four chambers make the human heart and how blood flow through

these chambers?

Explain the structure and function of human heart in detail.

Explain opening and closing of stomata.

Figure 1 Class 9 _ Paper scheme

Compiled past papers of BIOLOGY [Class 09 (2013 16)]

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Transcript of Compiled past papers of BIOLOGY [Class 09 (2013 16)]