How many ATP and NADPH2 are required for the synthesis of one molecule of glucose during Calvin cycle?
| 1. | 18 ATP and 16 NADPH2 |
| 2. | 12 ATP and 12 NADPH2 |
| 3. | 18 ATP and 12 NADPH2 |
| 4. | 12 ATP and 16 NADPH2 |
Subtopic: Dark Reaction : Calvin Cycle |
90%
Level 1: 80%+
NEET - 2023
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Subtopic: Translation |
64%
Level 2: 60%+
NEET - 2023
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Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Oxidative decarboxylation | I. | Citrate synthase |
| B. | Glycolysis | II. | Pyruvate dehydrogenase |
| C. | Oxidative phosphorylation | III. | Electron transport system |
| D. | Tricarboxylic acid cycle | IV. | EMP pathway |
| Options: | A | B | C | D |
| 1. | II | IV | III | I |
| 2. | III | IV | II | I |
| 3. | II | IV | I | III |
| 4. | III | I | II | IV |
Subtopic: Aerobic Respiration | Kreb's Cycle |
73%
Level 2: 60%+
NEET - 2023
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Match List-I with List-II
Choose the correct answer from the options given below:
| List-I (Interaction) |
List-II (Species A and B) |
||
| A. | Mutualism | I. | +(A), O(B) |
| B. | Commensalism | II. | –(A), O(B) |
| C. | Amensalism | III. | +(A), –(B) |
| D. | Parasitism | IV | +(A), +(B) |
Choose the correct answer from the options given below:
| Options: | A | B | C | D |
| 1. | III | I | IV | II |
| 2. | IV | II | I | II |
| 3. | IV | I | II | III |
| 4. | IV | III | I | II |
Subtopic: Population Interactions: Competition | Population Interactions: Predation | Population Interactions: Parasitism | Population Interactions: Commensalism, Protocooperation & Mutualism |
90%
Level 1: 80%+
NEET - 2023
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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 incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | Gause's 'Competitive Exclusion Principle' states that two closely related species competing for the same resources cannot co-exist indefinitely and competitively inferior one will be eliminated eventually. |
| Statement II: | In general, carnivores are more adversely affected by competition than herbivores. |
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: Population Interactions: Competition |
69%
Level 2: 60%+
NEET - 2023
Hints
Identify the correct statements:
Choose the correct answer from the options given below:
| A: | Lenticels are the lens-shaped openings permitting the exchange of gases. |
| B: | Bark formed early in the season is called hard bark. |
| C: | Bark is a technical term that refers to all tissues exterior to vascular cambium. |
| D: | Bark refers to periderm and secondary phloem. |
| E: | Phellogen is single- layered in thickness. |
| 1. | B and C only | 2. | B, C and E only |
| 3. | A and D only | 4. | A, B and D only |
Subtopic: Activity of Cork Cambium |
66%
Level 2: 60%+
NEET - 2023
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Main steps in the formation of Recombinant DNA are given below. Arrange these steps in a correct sequence.
Choose the correct answer from the options given below:
| A. | Insertion of recombinant DNA into the host cell. |
| B. | Cutting of DNA at specific location by restriction enzyme. |
| C. | Isolation of desired DNA fragment. |
| D. | Amplification of gene of interest using PCR. |
| 1. | B, D, A, C | 2. | B, C, D, A |
| 3. | C, A, B, D | 4. | C, B, D, A |
Subtopic: Process of Biotech |
Level 3: 35%-60%
NEET - 2023
Hints
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 answer from the options given below:
| Assertion (A): | In gymnosperms, the pollen grains are released from the microsporangium and carried by air currents. |
| Reason (R): | Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed. |
| 1. | (A) is False, (R) is True. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 4. | (A) is True, (R) is False. |
Subtopic: Gymnosperms |
69%
Level 2: 60%+
NEET - 2023
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Which of the following statements are correct about Klinefelter's Syndrome?
Choose the correct answer from the options given below:
| A. | This disorder was first described by Langdon Down (1866). |
| B. | Such an individual has overall masculine development. However, the feminine development is also expressed. |
| C. | The affected individual is short statured. |
| D. | Physical, psychomotor and mental development is retarded. |
| E. | Such individuals are sterile. |
| 1. | A and E only | 2. | A and B only |
| 3. | C and D only | 4. | B and E only |
Subtopic: Non - Disjunction & Aneuploidy | Sex Aneuploidy - Turner & Klinefelter Syndrome |
83%
Level 1: 80%+
NEET - 2023
Hints
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 answer from the options given below:
| Assertion (A): | A flower is defined as a modified shoot wherein the shoot apical meristem changes to floral meristem. |
| Reason (R): | Internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Inflorescence |
68%
Level 2: 60%+
NEET - 2023
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