Advertisements
Advertisements
प्रश्न
The ovaries of different flowers may contain
पर्याय
only one ovule
many ovules
one too many ovules
only two ovules
उत्तर
one too many ovules
Explanation:
Ovaries of different flowers may have one ovule e.g., wheat, paddy, mango to many ovules, e.g., papaya, watermelon, etc.
APPEARS IN
संबंधित प्रश्न
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
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.
The flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Identify A, B, C and D in the given diagram and write their names.
Pollen grains are formed by _________ division in locules of anthers.
In which part of the flower germination of pollen grains takes place?
Sperm and egg nuclei fuse due to ______.
Length of pollen tube depends on the distance between ______
Double fertilization means ______.
