1. A
   Protect and conserve the whole ecosystem
2. B
   Conserve only high-risk species
3. C
   Conserve only endangered species
4. D
   Conserve only extinct species

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1. A
   Corvus, Columba, Chameleon
2. B
   Bufo, Balaenoptera, Bangarus
3. C
   Catla, Columba, Crocodilus
4. D
   Pavo, Psittacula, Corvus

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1. A
   $3.3 \times 10^{9}$ bp
2. B
   $6.6 \times 10^{9}$ bp
3. C
   $3.3 \times 10^{6}$ bp
4. D
   $6.6 \times 10^{6}$ bp

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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1. A
   (c) and (e) only
2. B
   (b) and (c) only
3. C
   (b), (d) and (e) only
4. D
   (b), (c) and (e) only

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1. A
   Both (A) and (R) are correct and (R) is the correct explanation of (A)
2. B
   Both (A) and (R) are correct but (R) is not the correct explanation of (A)
3. C
   (A) is correct but (R) is not correct
4. D
   (A) is not correct but (R) is correct

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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1. A
   Cervical barrier
2. B
   Vault barrier
3. C
   Non-Medicated IUD
4. D
   Copper releasing IUD

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1. A
   2 ml
2. B
   5 ml
3. C
   4 ml
4. D
   10 ml

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1. A
   Both (A) and (R) are correct and (R) is the correct explanation of (A)
2. B
   Both (A) and (R) are correct but (R) is not the correct explanation of (A)
3. C
   (A) is correct but (R) is not correct
4. D
   (A) is not correct but (R) is correct

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1. A
   Blood
2. B
   Adipose tissue
3. C
   Cartilage
4. D
   Neuroglia

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1. A
   Ornithorhynchus
2. B
   Salamandra
3. C
   Hippocampus
4. D
   Pavo

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1. A
   There are two stages in Meiosis, Meiosis-I and II
2. B
   in S phase of Meiosis DNA replication occurs-II
3. C
   Pairing of homologous chromosomes and recombination occurs in Meiosis-I
4. D
   Four haploid cells are formed at the end of Meiosis-II

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1. A
   Only z gene will get transcribed
2. B
   z, y, a genes will be transcribed
3. C
   z, y, a genes will not be translated
4. D
   RNA polymerase will bind the promoter region

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1. A
   Arthritis – Inflamed joints
2. B
   Tetany – High $Ca^{2+}$ level causing rapid spasms.
3. C
   Myasthenia gravis – Genetic disorder resulting in weakening and paralysis of skeletal muscle
4. D
   Muscular dystrophy – An auto immune disorder causing progressive degeneration of skeletal muscle

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1. A
   Trichoderma polysporum
2. B
   Clostridium butylicum
3. C
   Aspergillus niger
4. D
   Streptococcus cerevisiae

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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1. A
   Control bacterial population in mouth
2. B
   Digestion of complex carbohydrates
3. C
   Lubrication of oral cavity
4. D
   Digestion of disaccharides

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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1. A
   $C_{12}H_{20}O_{10}$
2. B
   $C_{12}H_{24}O_{12}$
3. C
   $C_{12}H_{22}O_{11}$
4. D
   $C_{12}H_{24}O_{11}$

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1. A
   RER has ribosomes attached to ER
2. B
   SER is devoid of ribosomes
3. C
   In prokaryotes only RER are present
4. D
   SER are the sites for lipid synthesis

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1. A
   Intercalated discs
2. B
   Cartilage
3. C
   Areolar tissue
4. D
   Smooth muscle

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1. A
   Prothorax
2. B
   Mesothorax
3. C
   Metathorax
4. D
   Prothorax and Mesothorax

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1. A
   Both Statement I and Statement II are correct
2. B
   Both Statement I and Statement II are incorrect
3. C
   Statement I is correct but Statement II is incorrect
4. D
   Statement I is incorrect but Statement II is correct

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