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प्रश्न
Mention the two functions of human testis.
उत्तर
• They produce male germ cells i.e. sperms
• They act as endocrine gland and secrete hormone testosterone which controls the secondary sexual characters in male.
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संबंधित प्रश्न
Draw a sectional view of human female reproductive system and label the part where
(i) eggs develop.
(ii) fertilisation takes place.
(iii) fertilised egg gets implanted.
Explain how the embryo gets nourishment inside the mother’s body.
If a woman is using a copper-T, will it help in protecting her from sexually transmitted diseases?
State the changes that take place in the uterus when Female gamete/egg is not fertilised
The site of maturation of human sperms is the
Given below are diagrams showing the different stages in the process of fertilisation of an egg. in the human female reproductive tract.
Study the diagrams and answer the questions:
1) Arrange the letters given below each diagram in a logical sequence to show the correct order in the process of fertilisation.
2) Where does fertilisation normally take place? and What is ‘Implantation’ that follows fertilisation?
3) Mention the chromosome number of the egg and zygote in humans.
4) Explain the term ‘Gestation’. How long does Gestation last in humans?
5) Draw a neat, labelled diagram of a mature human sperm.
Describe the process of fertilisation in humans and development of embryo briefly.
What is sexual reproduction? What are its essential features?
Explain the term Parturition or birth.
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Testis, Urethra, Sperm duct, epididymis.
