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प्रश्न
Name the different types of androecium found in flowers.
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उत्तर
Types of the androecium in flowers:
- Polyandrous: When the stamens of a flower are free, the condition is called polyandrous.
- Monadelphous: When the filaments of anthers in a flower are fused into one group, the condition is called monadelphous.
- Diadelphous: When the filaments of anthers in a flower are fused into two groups, the condition is called diadelphous.
- Polyadelphous: When the filaments of anthers in a flower are fused into more than two groups, the condition is called polyadelphous.
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संबंधित प्रश्न
A flower is said to be complete when:
Match the parts in Column A with the flowers or parts of the flower in Column B.
|
Column A |
Column B |
|
(a) Polyadelphous |
(i) Polypetalous |
|
(b) Pollen grains |
(ii) Calyx, corolla |
|
(c) Free petals |
(iii) Nectar |
|
(d) Non-essential |
(iv) Bombax |
|
(e) Sweet fragrant fluid |
(v) Pollen sac |
Explain the following term:
Bisexual flower
Where the following structures/parts located and what are their functions?
Thalamus
The figure given alongside represents a generalized arrangement of the different parts of a bisexual flower. Name the parts numbered 1-10.
Match the columns :
| Column A | Column B |
| (a) Radicle | (i) Shoot |
| (b) Plumule | (ii) Store food material |
| (c) Cotyledon | (iii) Root |
| (d) Testa | (iv) Absorb water needed for germination |
| (e) Micropyle | (v) Protection of seed |
How many whorls are present in a typical flower?
Write the names of the components of every whorl.
The question has four options. Choose the correct answer.
Four whorls of a flower are located on
