Make the correct pair :
Column $- I$
Column $- II$
A- Tapetum
i- Degenerate during development
B- Intine
ii- Resistant organic materials
C- Vegetative cell
iii- Pollen tube
D- Sporopollenin
iv- Provide nourishment to pollen grains
Make the correct pair :
| Column $- I$ | Column $- II$ |
| A- Tapetum | i- Degenerate during development |
| B- Intine | ii- Resistant organic materials |
| C- Vegetative cell | iii- Pollen tube |
| D- Sporopollenin | iv- Provide nourishment to pollen grains |
- A
$(A-iv) (B-iii) (C-ii) (D-i)$
- B
$(A-ii) (B-iv) (C-i) (D-iii)$
- C
$(A-iv) (B-iii) (C-i) (D-ii)$
- D
$(A-iii) (B-i) (C-iv) (D-ii)$
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$(a)$ It came into India as a contaminant with imported wheat
$(b)$ It causes allergy
$(c)$ Asexual reproduction occurs in its flower
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$(a)$ It came into India as a contaminant with imported wheat
$(b)$ It causes allergy
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Reason : Pollens are formed after meiosis in pollen mother cell.
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Reason : Pollens are formed after meiosis in pollen mother cell.
- [AIIMS 1997]
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