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प्रश्न
The process of fusion of the male and female gametes is called ______.
विकल्प
fertilisation
pollination
reproduction
seed formation
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उत्तर
The process of fusion of the male and female gametes is called fertilisation.
Explanation:
Fertilization combines genetic material from both gametes to form a zygote, initiating the development of a new organism.
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संबंधित प्रश्न
When an insect sits on the flower of a plant then some particles A present in the top of little stalks in the flower attach to its body hair. When this insect now sits on the flower of another similar plant, then particles A attached to the hair of insect are put on the top of a flask-shaped organ at the centre of flower. The particle A grows a long tube b from the top of flask-shaped organ through which C moves down and reaches the bottom part of flask-shaped organ. Here C fuses with the nucleus of d contained in structure E. the fusion of C and D forms a new cell f which grows and develops into a seed of the plant.
(a) What are particles A? What is the process of transferring A from one flower to another flower of similar plant by the insect known as?
(b) What is the name of tube B?
(c) What is C which moves down through the tube B?
(d) Name D and E.
(e) What is F?
Fill in the blank by selecting suitable word:
A flower that bears both the male and the female parts is known as __________ flower.
You have to perform the experiment, "To identify the different parts of an embryo of a gram seed." Describe the procedure that you would follow.
Identify the odd. Stigma, Style, Pollen, Ovary.
Answer the following question.
List two agents of pollination?
Pollen grains are formed by _________ division in locules of anthers.
In which part of the flower germination of pollen grains takes place?
Flowers showing ornithophily show few characteristic like ______.
What is the function of calyx?
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.
