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प्रश्न
The essential parts of a flower are ______.
विकल्प
Calyx and Corolla
Calyx and Androecium
Corolla and Gynoecium
Androecium and Gynoecium
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उत्तर
The essential parts of a flower are Androecium and Gynoecium.
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संबंधित प्रश्न
Name the swollen lower part of the carpel.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
What is made in ovary of a flower?
How is the process of pollination different from fertilization?
In the figure given alongside, the parts marked A, B and C are sequentially :
(a) cotyledon, plumule and radicle
(b) plumule, radicle and cotyledon
(c) plumule, cotyledon and radicle
(d) radicle, cotyledon and plumule
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
Bisexual : Hibiscus : : Unisexual : ___________
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
Double fertilization is exhibited by ______
The pollen tube usually enters the embryo sac ______.
