Q. No.Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin
| 1. | promotes abscission of mature leaves only. |
| 2. | does not affect mature monocotyledonous plants. |
| 3. | can help in cell division in grasses, to produce growth. |
| 4. | promotes apical dominance |
Subtopic: Â Growth Hormones & Auxin |Â Auxin Function |
 71%
Level 2: 60%+
NEET - 2024
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Lecithin, a small molecular weight organic compound found in living tissues, is an example of:
1. Phospholipids
2. Glycerides
3. Carbohydrates
4. Amino acids
1. Phospholipids
2. Glycerides
3. Carbohydrates
4. Amino acids
Subtopic: Â Lipids |
 81%
Level 1: 80%+
NEET - 2024
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Match List I and List II:
Choose the correct answer from the options given below:
1. A-II, B-I, C-III, D-IV
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
| List I | List II | ||
| A. | Two or more alternative forms of a gene | I. | Back Cross |
| B. | Cross of F1 progeny with homozygous recessive parent | II. | Ploidy |
| C. | Cross of F1 progeny with any of the parents | III. | Allele |
| D. | Number of chromosome sets in plant | IV. | Test cross |
1. A-II, B-I, C-III, D-IV
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
Subtopic: Â Monohybrid Cross: 1 |Â Monohybrid Cross: Further Understanding |Â Chromosomal Disorders |
 89%
Level 1: 80%+
NEET - 2024
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Identify the set of correct statements:
Choose the correct answer from the options given below:
1. A, B, C and D only
2. A, C, D and E only
3. B, C, D and E only
4. C, D and E only
| A: | The flowers of Vallisneria are colourful and produce nectar. |
| B: | The flowers of waterlily are not pollinated by water. |
| C: | In most of water-pollinated species, the pollen grains are protected from wetting. |
| D: | Pollen grains of some hydrophytes are long and ribbon like. |
| E: | In some hydrophytes, the pollen grains are carried passively inside water. |
1. A, B, C and D only
2. A, C, D and E only
3. B, C, D and E only
4. C, D and E only
Subtopic: Â Pollination & Outbreeding Devices |
 74%
Level 2: 60%+
NEET - 2024
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Subtopic: Â Loss of Biodiversity |
 87%
Level 1: 80%+
NEET - 2024
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What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism?
Choose the correct answer from the options given below:
| A: | The piece of DNA would be able to multiply itself independently in the progeny cells of the organism. |
| B: | It may get integrated into the genome of the recipient. |
| C: | It may multiply and be inherited along with the host DNA. |
| D: | The alien piece of DNA is not an integral part of chromosome. |
| E: | It shows ability to replicate. |
| 1. | D and E only | 2. | B and C only |
| 3. | A and E only | 4. | A and B only |
Subtopic: Â Principles of Biotechnology |
 59%
Level 3: 35%-60%
NEET - 2024
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Which of the following are required for the dark reaction of photosynthesis?
Choose the correct answer from the options given below:
| A: | Light |
| B: | Chlorophyll |
| C: | CO2 |
| D: | ATP |
| E: | NADPH |
Choose the correct answer from the options given below:
| 1. | B, C and D only |
| 2. | C, D and E only |
| 3. | D and E only |
| 4. | A, B and C only |
Subtopic: Â Dark Reaction: Biosynthetic Phase |Â Dark Reaction : Calvin Cycle |
 65%
Level 2: 60%+
NEET - 2024
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The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called:
| 1. | Biodiversity conservation |
| 2. | Semi-conservative method |
| 3. | Sustainable development |
| 4. | In-situ conservation |
Subtopic: Â Biodiversity Conservation |
 62%
Level 2: 60%+
NEET - 2024
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
| Statement I: | Bt toxins are insect group specific and coded by a gene cry IAc. |
| Statement II: | Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect, the inactive protoxin gets converted into active form due to acidic pH of the insect gut. |
In the light of the above statements, choose the correct answer from the options given below:
1. Both Statement I and Statement II are False
2. Statement I is True but Statement II is False
3. Statement I is False but Statement II is True
4. Both Statement I and Statement II are True
Subtopic: Â Bt Crops |
 63%
Level 2: 60%+
NEET - 2024
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A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and downstream end:
1. Structural gene, Transposons, Operator gene
2. Inducer, Repressor, Structural gene
3. Promotor, Structural gene, Terminator
4. Repressor, Operator gene, Structural gene
1. Structural gene, Transposons, Operator gene
2. Inducer, Repressor, Structural gene
3. Promotor, Structural gene, Terminator
4. Repressor, Operator gene, Structural gene
Subtopic: Â Transcription: I |
 88%
Level 1: 80%+
NEET - 2024
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