Advertisements
Advertisements
प्रश्न
State the post-fertilisation changes that lead to fruit formation in plants.
Advertisements
उत्तर
- After fertilisation, the zygote divides several times to form an embryo within the ovule.
- The ovule develops a tough coat and is gradually converted into a seed.
- The ovary grows rapidly and ripens to form a fruit.
- The petals, sepals, stamens, style and stigma may shrivel and fall off.
APPEARS IN
संबंधित प्रश्न
What is the name of female part of a flower?
What type of plants reproduce by sexual reproduction method?
In what ways is fertilisation in a plant different from fertilisation in a human?
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
What part is played by stamens and carpels in reproduction?
Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.
Explain the process of fertilisation in flowers.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
Flowers showing ornithophily show few characteristic like ______.
The ovaries of different flowers may contain ______.
