Advertisements
Advertisements
प्रश्न
Give one example of a unisexual flower.
Advertisements
उत्तर
- Cucumber
- Pumpkin
- Watermelon
- Papaya
APPEARS IN
संबंधित प्रश्न
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
State the function of flowers in the flowering plants.
The process of fusion of the male and female gametes is called ______.
Mature ovary forms the ______.
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
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?
What are the male and female gametes in a flowering plant?
Mention pollination types.
Sketch and label the essential and accessory whorls of flower.
State the post-fertilisation changes that lead to fruit formation in plants.
