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प्रश्न
Explain the function of Calyx.
उत्तर
The calyx is the outermost whorl of a flower which is composed of sepals. Generally, these sepals are green, leaf-like, and protect the inner whorls of the flower in bud condition. They are also involved in producing food by photosynthesis.
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संबंधित प्रश्न
Bougainvillea flower is an example of
The essential whorls of a flower are the
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:
Pistillate flower
Where the following structures/parts located and what are their functions?
Thalamus
Name the different types of androecium found in flowers.
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 |
Write in detail the structure of a typical flower studied by you with the help of a labelled diagram.
Write the names of the components of every whorl.
