Advertisements
Advertisements
प्रश्न
What is meant by pollination?
उत्तर
The transfer of the pollen grains from the anthers to the stigma of a flower is called pollination.
APPEARS IN
संबंधित प्रश्न
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Fill in the blank:
Seeds are formed from________.
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
Differentiate between self-pollination and cross-pollination.
The ovule of an angiosperm is technically equivalent to ______
Where is the zygote located in the flower after fertilization?
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
Flower X | Flower Y | Flower Z |
![]() |
![]() |
![]() |
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.