Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | ETS Complex I | I. | NADH Dehydrogenase |
| B. | ETS Complex II | II. | Cytochrome bC1 |
| C. | ETS Complex III | III. | Cytochrome C oxidase |
| D. | ETS Complex IV | IV. | Succinate Dehydrogenase |
Choose the correct answer from the options given below:
| 1. | A-IV, B-I, C- III, D- II |
| 2. | A-I, B-IV, C- II, D- III |
| 3. | A-III, B-I, C- IV, D- II |
| 4. | A-I, B-II, C- IV, D- III |
Subtopic: ETS |
86%
Level 1: 80%+
NEET - 2024
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Cryopreservation technique is used for:
| 1. | Protection of environment |
| 2. | Protection of biodiversity hotspots |
| 3. | Preservation of gametes in viable and fertile conditions for a long period |
| 4. | In-situ conservation |
Subtopic: Ex Situ Conservation of Biodiversity |
91%
Level 1: 80%+
NEET - 2024
Hints
Which of the following are correct about cellular respiration?
Choose the correct answer from the options given below:
1. A, C, D, E only
2. A, B, E only
3. A, B, C, E only
4. B, C, D, E only
| A. | Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation. |
| B. | The entire cellular respiration takes place in mitochondria. |
| C. | Fermentation takes place under anaerobic conditions in germinating seeds. |
| D. | The fate of pyruvate formed during glycolysis depends on the type of organism also. |
| E. | Water is formed during respiration as a result of \(O_2\) accepting electrons and getting reduced. |
1. A, C, D, E only
2. A, B, E only
3. A, B, C, E only
4. B, C, D, E only
Subtopic: Miscellaneous |
74%
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. 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 is correct.
4. Both Statement I and Statement II is incorrect.
| Statement I: | In eukaryotes, there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelle. |
| Statement II: | All the three RNA polymerases in eukaryotic nucleus have different roles. |
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 is correct.
4. Both Statement I and Statement II is incorrect.
Subtopic: Transcription |
86%
Level 1: 80%+
NEET - 2024
Hints
Match List I with List II:
Choose the correct answer from the options given below:
1. A-IV, B-III, C- II, D- I
2. A-III, B-I, C- IV, D- II
3. A-II, B-III, C- IV, D- I
4. A-III, B-IV, C- I, D- II
| List I | List II | ||
| A. | Histones | I. | Loosely packed chromatin |
| B. | Nucleosome | II. | Densely packed chromatin |
| C. | Euchromatin | III. | Positively charged basic proteins |
| D. | Heterochromatin | IV. | DNA wrapped around histone octamer |
Choose the correct answer from the options given below:
1. A-IV, B-III, C- II, D- I
2. A-III, B-I, C- IV, D- II
3. A-II, B-III, C- IV, D- I
4. A-III, B-IV, C- I, D- II
Subtopic: DNA Packaging |
90%
Level 1: 80%+
NEET - 2024
Hints
Recombination between homologous chromosomes is completed by the end of:
| 1. | Diakinesis | 2. | Zygotene |
| 3. | Diplotene | 4. | Pachytene |
Subtopic: Cell Cycle: Meiosis I |
74%
Level 2: 60%+
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Metacentric chromosome | I. | Chromosome has a terminal centromere |
| B. | Sub-metacentric chromosome | II. | Middle centromere forming two equal arms of chromosome |
| C. | Acrocentric chromosome | III. | Centromere is slightly away from the middle chromosome resulting into two unequal arms |
| D. | Telocentric chromosome | IV. | Centromere is situated close to its end forming one extremely short and one very long arm |
| 1. | A-II, B-I, C- IV, D- III | 2. | A-IV, B-I, C- II, D- III |
| 3. | A-I, B-II, C- III, D- IV | 4. | A-II, B-III, C- IV, D- I |
Subtopic: Nucleus: Chromosomes |
91%
Level 1: 80%+
NEET - 2024
Hints
F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following, except:
1. Extract of vascular tissues
2. Coconut milk
3. Abscisic acid
4. Yeast extract
1. Extract of vascular tissues
2. Coconut milk
3. Abscisic acid
4. Yeast extract
Subtopic: Growth Hormones & Auxin |
75%
Level 2: 60%+
NEET - 2024
Hints
Given below are some statements about plant growth regulators:
Choose the correct set of statements from the ones given below:
| A. | All GAs are acidic in nature. |
| B. | Auxins are antagonists to GAs. |
| C. | Zeatin was isolated from coconut milk. |
| D. | Ethylene induces flowering in Mango. |
| E. | Abscisic acid induces parthenocarpy. |
| 1. | A,C,D | 2. | B,E |
| 3. | A,B,C | 4. | B,D,E |
Subtopic: Growth Hormones & Auxin | Gibberellin | Cytokinin | Ethylene | Abscisic Acid |
77%
Level 2: 60%+
NEET - 2024
Hints
Identify the incorrect statement related to electrophoresis:
| 1. | Separated DNA fragments can be directly seen under UV radiation |
| 2. | Separated DNA can be extracted from gel piece. |
| 3. | Fragments of DNA move toward anode. |
| 4. | Sieving effect of agarose gel helps in separation of DNA fragments. |
Subtopic: Separation and Isolation of DNA fragments |
79%
Level 2: 60%+
NEET - 2024
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