rJ III - Jharkhand Academic Council · 2018-07-10 · Thorn of Bougainvillea and tendrils of...
Transcript of rJ III - Jharkhand Academic Council · 2018-07-10 · Thorn of Bougainvillea and tendrils of...
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Primary endosperm nucleus is |
a) Haploidb) Diploid c) Triploid d) Polyploid
a) 3Pj,Rid b) ^'j,Rm c) Ri^Pin d) iq,Rin
Semi conservative method of DNA replication was proposed by|
a) Meselson & Stahl b) Watson & crick c) Hershey & chose d) Frederick Griffith
DNA 4^ ^(cl4^U| c^ 3T4^R^T ^cT f4^^ ^T^T f^tj "^tr
1x10=10
31, ^,
^fffelT d)c)b)a)
a)2An example of dioceous plant is
a) cucumber b) maize
f^f ^t ^^^^ t|cbfcJJ||^{4t
a) ^f-n
3Insect Pollinated flowers are ia) Lightb) Non sticky c) Brightly colored d) Feathery
d) Date Palm(c) castor beans
1 Emasculation is removal of I•.
a) Corollab) Anthersc) Ovary d) Ovule
iT mTTcTT % ^
ikd)
All Questions are Compulsory. ^^^^ JT?^T 3lPlc|l4 11Candidates are required to give answers in their own words as for as practicable.
General InstructionThis Question paper consists of four group^ A, B, C, & D^
af^ •^ tlAll groups are compulsory. ^^^\ ^^ 3iPlcii4 11
Group- A W^ -31
Select one Correct answer .
Max. Marks - 35PASS MARKS- 11 ViTime :- 90 minutes
Class : XII
BILOGY ^^^ ^^slHOPTIONAL
MODEL SET PAPERSECTION A-BOTANV
XII
^rs
3^T
^ 3fk
where as tubers of
2x3=6
9Symbiotic association is exhibited by f
a) Penicillin b) Rhiozbiumc) heterocyst d) yeast
a) ^RlRifel^1b) TT^vifrf^T^^ c) ^^R^-c
10Acid rain are caused due to 1
a) NO2&SO, b) CH4 & CFCc) CO2 & CFC d) CH4 & NH3
a) NO2&SO7 b) CH4 & CFCc) CO2 & CFC d)CH4&NH3
GROUP-B^J^ -W
11Fill in the blanks 7^-"
Thorn of Bougainvillea and tendrils of cucurbita are
sweet potato and the potato areorgans.
(Analogous , Homologous)
cfjT cfffcTT 3fk c^c^Rkl cfJT ^cTR t
d)a)
d) consumera) Decomposer b) Predator c) Soil
a) TT^t ^cftf^TfTb) PCRc) 3lldl^il^ 11195) d) TcffMcT
8 The Abiotic Component of an ecosystem is 1
a) 3:1b) 1:2:1c)9:3:3:1 d)9:7
7 Amplification is multiple copies of the DNA segment is done ley /
a) Southern blotting b) PCR c) Autoradiography d) Fluorescent Microscopy
DNA ^fiT ^cfi ^f 3T^^fi ^^^ sF^TT tiwi^flfLbcf^^H t^TT 11
6 The Phenotypic retio of a dihy brid cross in gander pea is : I
a) 3:1b) 1:2:1c) 9:3:3:1 d) 9:7
d)fsfjcfj c)b)• a)
0
©+
Species B
( C )
+
0Species A
Ch^^illdVT^
^^dlfclcll
c) Commensalism
b) Parasitism
^edimcii
a) Mutualism
Name of interaction
3x3=9
15 Complete the table ^sfcT cfjT
^^ ^^^^n
-iiR^i
chldHl B
a) cjr^
b) Tjf
c) ftp
rt^f3TT^^T
chid HI A
a) 3
b) 4
c) ^
chid HI cf5t
a) Cannabis
b) Erythroxylon coca
c) Poppy plant
Column B
a) Opiods
b) Caninbinoids
c) Cocaine
Column A
12Draw a labeled diagram of a fully developed Female gametophyte of Angiosperm.
t^cp Tjof R|c^Rhc1 HKI^HvdddJ Wf Hl-Hl'fchcl f^T5f spf^ I
13Write four adaptive features of a wind pollinated flower.'^
cug RT WfFT ^ ^ f^^ ^R ^1 ^c-H ^ f^
GROUP -
14Match the following
andare the types of mutation.
18 What is meant by incomplete dominance ? In Snapdragon a plant with red flowers was•-*
crossed with a plant with white flowers. Work out all the possible genotype and phenotypes
of F| and F^ generation.
3^^^^ 5^^lie)ell ^T cRTT TF^Tc^ t? ^M^M c^ ^tef ^ ^lcT ^T 3fR
"h^ ^F^fl cRf ^RTRFR F, and F2 ^Mt ^ ^T^ u^ld^dl^M 3fR l^dVl
ORWhat do you mean by nutrient cycling ? Explain Carbon cycle in detail.
^IH^trl f? cRT^T tRR cRT fcR?fR ^
j) Qjc^Wc^ ^^R c^T T.S
ii) WFRf^T cf>) -J^TcTfr Tf^RT
ORWhat is meant by double fertilization? Write its significance in angiosperms.
16What are the types of RNA ? Write their function.
. RNA cf> ^I^H PERR cRTT t ? ^^^c^^ cRR^ foRsf j
ORWhat is water pollution? Name at least three water pollutants and their harmful
effects.
^et Sfc^^i c|^T t? f^F^f cf^f P5RT PEW ^R ^TR feRsf P^T ^^c^^ cf?Rf ^t feRt I
GROUP -D ^^g -^ A- ?< ^ - 10J)
17Draw a labeled diagram of the following : -S
i) T.S of bilobed anther of an organism
ii) Internal stricture of a pollen again of an angiosperm
Type of sex detennination found in human
a) XY ^T^T b) XX ^T c) XO cTT^T d) ZW
Which of the following is the high milk yielding variety of Cow? I
a) Dorsetb) Holstein c) Pahminad) Nellore
mf cffl" PEmfcT t ^^^ TfcftRlcf^ ^T ^cft t?
b) ^ldR-^d c) ^^i4^f
/
d) GH
d) All
a) ^ll4d b) Hl>!JH c) ^I^^T &
Which disease is sex vally transmitted?
a) AIDS b) Malaria c) Typhoid d) Allcfi^^ TTT ^^T cfRl'cb ^^ ^^lRcl t?
a) AIDSb) Malaria c) TyphoidHormone released from testis/
a) Estrogen b) Progesteronec) Testosterone
f Plcpci^ cTfelT 6I^id
a) ^i^l^id b) Ml^^4d c) cR-c^-cl^H d) GH
fd)
Who Proposed chromosomal theory of inheritance \
a) Darwinb) Morgan c) Sutton & Boveri d) Mendel
3|R|c|l4 11Group-A ^^g -at (j^^to ^ 10j)
All groups are compulsory.
Select one Correct answer .
All Questions are Compulsory. TPft TT^T 3JpMl4 11
Candidates are required to give answers in their own words as for as practicable.
General InstructionThis Question paper consists of four groups uA,B,C,&D^ J^^rT W^ ^ ^TC W^ ^^T 3T, ^, ^f
Max. Marks - 35PASS MARKS- \VA
Time :- 90 minutesClass : XII
BILOGY/ OPTIONAL
MODEL SETSECTION B-ZOOLOGY
2^td la^ if sei • JUT
12What is Pregnancy hormone? Why it is so called? Name two sources of this hormone in a
human female. 2^~
3^RfT ^NHH R^^Tf cfjFcI t? F^f tRTT c^it cf^Frl t? ^1^T ^ F^c^^ e^t ^lcT ^T ^^T
13Name the causative organism of typhoid? Write at least two of its symptoms.
a) ill^^iH ^hlfetcbd b) ^T c) ^?PT fj^\ d)
GROUP-B ^^^ -W
11 What is amniocentesis?
a) ^JpfT^^ ^ b) ^Jc^^T ^fc) ^IMci^-M ^ d)
10 Ovulation is rupture of
a) Graafian follicleb) Testisc) Mammary gland d) uterus
a) FI^b) 3Tt^^c) fclPlil'^ d)
9 Population density decreases due to |
a) Natalityb) Immigrationc) Mortality d) Emigration
a) t^cf^ pfcj^pj cf5T cm^^'i b) ^^TT^ cfToTT ^^I^H c) t^c^ ellcb>dcj^ ^|(c!.c||AJ)[ci<t)
d) ^TRcT $^fon
8 The tenn 'ecology' was coined by }
a) Harveyb) Odumc) Linnaeus d) Haeckel
a) ^R-^^M & ^^V^cnfci^vji b) ^fcfc^^jT c) <W^|.^^i d) cii^^l^i
7 The term humulin is used for |
a) a form of chitin b) digestive enzyme c) a powerful antibiotic d) human insulin
FlcfT t
6 In genetic engineering, which of the following enzymes is used to cut DNA? /
a) Restriction endnucleaseb) Helicase c) Pectinase d) Ligase
DNA cf^t F^c^t F> feP^ \dM^fl•• I
cf5T
Draw labeled (6 labeling ) figure of human.
15What are ecological pyramids? Represent Schematically the pyramid of energy in a
forest ecosystem. ^
MiRR^rfrfcf^ Rki^^-s cptt t? R ^iRR^rfrra^ e^^ c^ ^jrf cjtt R^iR-^ srt^ i
16Define biogeography? How do Darwivis finches provide the biogeographical
evidence in favour of evolution? ^3
^cr "^j^fTcT c^tt 11 ^siRd ^ ^ra f^^^r ?r^ ^r fbHR<t.i>H c^t ^rft ^cf t?
ORWhat are the steps of gene closing or recombinant DNA technology?
^jft^ <fcilPiji ^n RcM^R^'e dna ^raratcf^jfr c^ RR^ ^r^t feRt |
GROUP-D ^sP^g ^ fe"^ ^ ^ ^9
17What is gametogevesis? Name the procers occurring in human males. Explain in detail with
figure. ^
^^viHH ^ cfm ^T^?T^ t? ^R ^ ^^raT vJTT^ c[Tefl ^lffbill c^
fcR^TR ^f >UH$lR I
ORHow a labeled figure of DNA Proposed by Watson and crick
3ft^ f^c^ g^^T 3^^ITT Hl^ei c^ ril^i^bd f^T3f
OR
51
Label 1. 2, and 3 in the given figure
1Template strand
c 3
1, 2 A^T 3 ^>t rilriifcbd^\
GROUP -C^sP^ -RT (3^* 3 ^
14
ORDescribe the mechanism of inheritance of the ABO system of blood groups.
Highlighting the principle of genetics involved in it.
ABO ^rf^TC cpf cf5t 3t^cii
18 What is artificial insemination? Write its advantages and disadvantages.