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प्रश्न
The fusion of male and female gametes is termed as ______.
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उत्तर
The fusion of male and female gametes is termed as fertilisation.
Explanation:
Fertilisation is the process by which the male gamete (sperm) and the female gamete (egg) merge to form a zygote, initiating the development of a new organism.
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संबंधित प्रश्न
You are asked by your teacher to study the different parts of an embryo of a gram seed. Given below are the steps to be followed for the experiment:
I. Soak the gram seeds in plain water and keep them overnight.
II. Cut open a soaked seed and observe its different parts.
III. Take some dry gram seeds in a petri dish.
IV. Drain the excess water.
V. Cover the soaked seeds with a wet cotton cloth and leave them for a day.
The correct sequence of these steps is :
(A) III, I, V, IV, II
(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
Explain what you understand by sexual reproduction.
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
In what ways is fertilisation in a plant similar to fertilisation in a human?
In the figure, the parts marked A, B and C are sequentially:
(A) Plumule, Radicle and Cotyledon
(B) Radicle, Plumule and Cotyledon
(C) Plumule, Cotyledon and Radicle
(D) Radicle, Cotyledon and Plumule
Bisexual : Hibiscus : : Unisexual : ___________
The process of release of eggs from the ovary is called ______
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
State the number of sets of chromosomes present in a zygote.
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
