Q. No.
In the above-represented plasmid, an alien piece of DNA is inserted at EcoRI site. Which of the following strategies will be chosen to select the recombinant colonies?
| 1. | White color colonies will be selected. |
| 2. | Blue color colonies grown on ampicillin plates can be selected. |
| 3. | Using an ampicillin- & tetracycline-containing medium plate. |
| 4. | Blue color colonies will be selected. |
Subtopic: Cloning Vector |
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The protein portion of an enzyme is called:
| 1. | Apoenzyme | 2. | Prosthetic group |
| 3. | Cofactor | 4. | Coenzyme |
Subtopic: Enzyme Cofactors |
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Given below are two statements:
In the light of the above statements, choose the most appropriate answer from this options given below.
| Statement I: | The primary source of energy in an ecosystem is solar energy. |
| Statement II: | The rate of production of organic matter photosynthesis in an ecosystem is called net primary productivity (NPP). |
| 1. | Statement I is correct but statement II is incorrect |
| 2. | Statement I is incorrect but statement II is correct |
| 3. | Both statement I and statement II are correct |
| 4. | Both statement I and statement II are incorrect |
Subtopic: Ecosystem Productivity | Energy Flow |
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct from the options given below:
| Assertion (A): | A typical unfertilised, angiosperm embryo sac at maturity is 8-nucleate and 7-celled. |
| Reason (R): | The egg apparatus has 2 polar nuclei. |
| 1. | (A) is True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 4. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
Subtopic: Pistil: Female Gametophyte |
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Neoplastic characteristics of cells refer to:
Choose the correct answer from the options given below.
| A. | A mass of proliferating cell |
| B. | Rapid growth of cells |
| C. | Invasion and damage to the surrounding tissue |
| D. | Those confined to original location |
| 1. | A, B, D only | 2. | B, C, D only |
| 3. | A, B only | 4. | A, B, C only |
Subtopic: Cancer |
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Which one of the following is the characteristic feature of gymnosperms?
| 1. | Seeds are absent. |
| 2. | Gymnosperms have flowers for reproduction. |
| 3. | Seeds are enclosed in fruits. |
| 4. | Seeds are naked. |
Subtopic: Gymnosperms |
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Match List- I with List-II.
Choose the correct answer from the options given below.
1. A-II, B-IV, C-I, D-III
2. A-III, B-II, C-IV, D-I
3. A-IV, B-II, C-I, D-III
4. A-IV, B-II, C-III, D-I
| List-I | List-II | ||
| A. | Progesterone | I. | Pars intermedia |
| B. | Relaxin | II. | Ovary |
| C. | Melanocyte stimulating hormone | III. | Adrenal Medulla |
| D. | Catecholamines | IV. | Corpus luteum |
1. A-II, B-IV, C-I, D-III
2. A-III, B-II, C-IV, D-I
3. A-IV, B-II, C-I, D-III
4. A-IV, B-II, C-III, D-I
Subtopic: Pituitary & Hypothalamus | Adrenal Cortex: Cortisol | Gonadotropin & Gonadal Hormones |
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Which chromosome in the human genome has the highest number of genes?
| 1. | Chromosome 1 | 2. | Chromosome 10 |
| 3. | Chromosome X | 4. | Chromosome Y |
Subtopic: Human Genome Project |
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Which of the following statements about RuBisCO is true?
| 1. | It is an enzyme involved in the photolysis of water. |
| 2. | It catalyzes the carboxylation of RuBP, |
| 3. | It is active only in the dark. |
| 4. | It has higher affinity for oxygen than carbon dioxide. |
Subtopic: Dark Reaction : Calvin Cycle |
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Subtopic: Menstrual Cycle |
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