Advertisements
Advertisements
प्रश्न
In which part of the flower germination of pollen grains takes place?
उत्तर
Germination of pollen grains takes place in the stigma of the female flower.
APPEARS IN
संबंधित प्रश्न
A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under:
I. Tegmen
II. Testa
III. Cotyledon
IV. Radicle
V. Plumule
The correctly identified parts among these are
(A) I, II and III
(B) II, III and IV
(C) III, IV and V
(D) I, III, IV and V
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
What is made in anther of a flower?
What is made in ovary of a flower?
Give some examples of different modes of fertilisation in nature?
Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They contain sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) after fertilization they give rise to fruits.
Pollen grains are formed by _________ division in locules of anthers.
__________ is present in unisexual flower.
Flowers showing ornithophily show few characteristic like ______.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
