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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
Name the male part of the flower.
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
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
Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They contain sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) after fertilization they give rise to fruits.
Draw a labelled diagram of a bisexual flower.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
What is meant by pollination?
Answer the following question.
List two agents of pollination?
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
