Advertisements
Advertisements
प्रश्न
In what ways is fertilisation in a plant similar to fertilisation in a human?
Advertisements
उत्तर
The process of fertilisation is similar in plants and humans as both involve male and female gametes and show internal fertilisation.
APPEARS IN
संबंधित प्रश्न
In the following diagram showing the structure of embryo of a dicot seed, what are the parts marked I, II and III sequentially?
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
State the function of flowers in the flowering plants.
How is the process of pollination different from fertilization?
What are the reproductive organs in a flower?
What is the name of female organ of a flower (other than carpel)?
Give some examples of different modes of fertilisation in nature?
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?
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
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.
What is phototropism?
List any two differences between pollination and fertilization.
Pollen tube reaches the embryo sac via style.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
The anther wall consists of four wall layers where ______
Where is the zygote located in the flower after fertilization?
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
