Consider the following statements regarding functions of adrenal medullary hormones:
Choose the correct answer from the options given below.
| A. | It causes pupillary constriction. |
| B. | It is a hyperglycemic hormone. |
| C. | It causes piloerection. |
| D. | It increases strength of heart contraction. |
| 1. | A, C and D only | 2. | D only |
| 3. | C and D only | 4. | B, C and D only |
Subtopic: Adrenal Medulla |
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Level 3: 35%-60%
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Match the List-I with List-II
Choose the correct answer from the options given below:
1. A-I, B-III, C-IV, D-II
2. A-III, B-I, C-IV, D-II
3. A-II, B-I, C-III, D-IV
4. A-IV, B-III, C-II, D-I
| List-I | List-II | ||
| A. | Heart | I. | Erythropoietin |
| B. | Kidney | II. | Aldosterone |
| C. | Gastro - intestinal tract | III. | Atrial natriuretic factor |
| D. | Adrenal Cortex | IV. | Secretin |
1. A-I, B-III, C-IV, D-II
2. A-III, B-I, C-IV, D-II
3. A-II, B-I, C-III, D-IV
4. A-IV, B-III, C-II, D-I
Subtopic: Adrenal Cortex: Aldosterone | Hormones of Heart, Kidney and Gastrointestinal Tract |
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Level 1: 80%+
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Why can't insulin be given orally to diabetic patients?
| 1. | Because of structural variation |
| 2. | Its bioavailability will be increased |
| 3. | Human body will elicit strong immune response |
| 4. | It will be digested in Gastro-Intestinal (GI) tract |
Subtopic: Gastrointestinal Hormones | Pancreas |
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Level 2: 60%+
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
In light of the above statement, choose the most appropriate answer from the options given below:
| Assertion (A): | Cells of the tapetum possess dense cytoplasm and generally have more than one nucleus. |
| Reason (R): | The presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells. |
| 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: Stamen: Microsporangium |
Level 4: Below 35%
NEET - 2025
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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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How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?
1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis
1. 1 Meiosis and 3 Mitosis
2. No Meiosis and 2 Mitosis
3. 2 Meiosis and 3 Mitosis
4. 1 Meiosis and 2 Mitosis
Subtopic: Pistil: Female Gametophyte |
65%
Level 2: 60%+
NEET - 2025
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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 answer from the options given below.
| Assertion (A): | Both wind and water pollinated flowers are not very colourful and do not produce nectar. |
| Reason (R): | The flowers produce enormous amount of pollen grains in wind and water pollinated flowers. |
| 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: Pollination & Outbreeding Devices |
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Match List-I with List-II
Choose the correct answer from the options given below :
1. A-III, B-IV, C-II, D-I
2. A-III, B-II, C-I, D-IV
3. A-IV, B-III, C-I, D-II
4. A-IV, B-III, C-II, D-I
| List-I | List-II | ||
| A. | Head | I. | Enzymes |
| B. | Middle piece | II. | Sperm motility |
| C. | Acrosome | III. | Energy |
| D. | Tail | IV. | Genetic materials |
1. A-III, B-IV, C-II, D-I
2. A-III, B-II, C-I, D-IV
3. A-IV, B-III, C-I, D-II
4. A-IV, B-III, C-II, D-I
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
86%
Level 1: 80%+
NEET - 2025
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Consider the following:
Choose the correct answer from the options given below:
1. B and D are true
2. B and C are true
3. A and B are true
4. A and C are true
| A. | The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis. |
| B. | The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females. |
| C. | The first polar body is associated with the formation of the primary oocyte. |
| D. | Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding. |
1. B and D are true
2. B and C are true
3. A and B are true
4. A and C are true
Subtopic: Menstrual Cycle | oogenesis |
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Subtopic: Menstrual Cycle |
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