1. A
   N$^2$
2. B
   2$^n$
3. C
   2n + 1
4. D
   2N$^2$

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1. A
   B, D, F only
2. B
   A, C, D, F only
3. C
   A, B, C, D only
4. D
   A, B, C, E, F only

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1. A
   Aorta
2. B
   Pulmonary artery
3. C
   Pulmonary vein
4. D
   Vena cava

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1. A
   Physico-chemical approach to study and understand living organisms
2. B
   Physiological approach to study and understand living organisms
3. C
   Chemical approach to study and understand living organisms
4. D
   Behavioural approach to study and understand living organisms

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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
   Commensalism
2. B
   Mutualism
3. C
   Predation
4. D
   Amensalism

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1. A
   A, B, C are true
2. B
   A, B, D are true
3. C
   A, B, E are true
4. D
   B, D, E are true

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1. A
   National Park
2. B
   Wildlife Sanctuary
3. C
   Zoos and botanical gardens
4. D
   Protected areas

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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
   A-III, B-I, C-IV, D-II
2. B
   A-III, B-I, C-II, D-IV
3. C
   A-II, B-IV, C-III, D-I
4. D
   A-II, B-III, C-IV, D-I

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1. A
   Both A and R are true and R is the correct explanation of A
2. B
   Both A and R are true but R is NOT the correct explanation of A
3. C
   A is true but R is false
4. D
   A is false but R is true

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1. A
   Whisky
2. B
   Brandy
3. C
   Beer
4. D
   Rum

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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
   Curd production
2. B
   Ethanol production
3. C
   Liver disease treatment
4. D
   Removing clots from blood vessels

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1. A
   Chromosome X
2. B
   Chromosome Y
3. C
   Chromosome 1
4. D
   Chromosome 10

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1. A
   First and Second digit of fore limb
2. B
   First digit of hind limb
3. C
   Second digit of fore limb
4. D
   First digit of the fore limb

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1. A
   Ethylene
2. B
   Abscisic acid
3. C
   Gibberellin
4. D
   Cytokinin

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1. A
   Acoelomate
2. B
   Pseudocoelomate
3. C
   Schizocoelomate
4. D
   Spongocoelomate

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1. A
   A-IV, B-III, C-I, D-II
2. B
   A-IV, B-III, C-II, D-I
3. C
   A-III, B-IV, C-II, D-I
4. D
   A-III, B-II, C-I, D-IV

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1. A
   B, A, D, E, C
2. B
   B, A, E, C, D
3. C
   D, E, C, A, B
4. D
   E, D, C, B, A

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1. A
   A, B and C Only
2. B
   A, B, C and D
3. C
   A, C and D Only
4. D
   A, B and D Only

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1. A
   A only
2. B
   D only
3. C
   B only
4. D
   E only

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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
   Using ampicillin & tetracycline containing medium plate.
2. B
   Blue color colonies will be selected.
3. C
   White color colonies will be selected.
4. D
   Blue color colonies grown on ampicillin plates can be selected.

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1. A
   Bacterium
2. B
   Yeast
3. C
   Virus
4. D
   Phage

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