- 1(current)
Q. No.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 the one nucleus. |
| Reason (R): | Presence of more than one nucleus in the tapetum increases the efficiency of nourishing the developing microspore mother cells. |
In light of the above statement, choose the most appropriate answer from the options given below:
| 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 |
From NCERT
NEET - 2025
Please attempt this question first.
Hints
Please attempt this question first.
In which of the following sets of families, the pollen grain are viable for months?
1. Solanaceae, Poaceae and Liliaceae
2. Brassicaceae, Liliaceae and Poaceae
3. Rosaceae, Liliaceae and Poaceae
4. Leguminosae, Solanaceae and Rosaceae
1. Solanaceae, Poaceae and Liliaceae
2. Brassicaceae, Liliaceae and Poaceae
3. Rosaceae, Liliaceae and Poaceae
4. Leguminosae, Solanaceae and Rosaceae
Subtopic: Stamen: Microsporangium | Stamen: Male Gametophyte |
84%
From NCERT
NEET - 2023
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
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NEET 2026 - Target Batch - Vital
Which one of the following statements is correct?
1. Sporogenous tissue is haploid
2. Endothecium produces the microspores
3. Tapetum nourishes the developing pollen
4. Hard outer layer of pollen is called intine
Subtopic: Stamen: Microsporangium |
92%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
In a flowering plant, archesporium gives rise to:
1. Only the wall of the sporangium
2. Both wall and the sporogenous cells
3. Wall and the tapetum
4. Only tapetum and sporogenous cells
Subtopic: Stamen: Microsporangium |
60%
From NCERT
AIPMT - 2003
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
In grasses what happens in microspore mother cell for the formation of mature pollen grains:
1. One meiotic and two mitotic divisions
2. One meiotic & one mitotic division
3. One meiotic division
4. One mitotic division
Subtopic: Stamen: Microsporangium |
57%
From NCERT
AIPMT - 2001
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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