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Question
What is sexual reproduction? What are its essential features?
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Solution
It is a type of reproduction usually found in higher animals and plants where male and female sexes produce male and female heterogametes separately, which on fertilisation produce a zygote.
RELATED QUESTIONS
Explain the process of fertilization in human beings.
Name the human male reproductive organ that produces sperms and also secretes a hormone. Write the functions of the secreted hormone.
Write the functions of the following parts in human female reproductive system:-
(i) Ovary
(ii) Oviduct
(iii) Uterus
What is the main difference between sperms and eggs of humans? Write the importance of this difference.
State whether human beings reproduce by sexual method or asexual method.
What do the testes in a man produce?
Define the following:
Implantation
Answer the following question.
What is contraception? List three advantages of adopting contraceptive measures.
Match Columns I and II and select the correct option.
| Columns I | Columns II | ||
| i. | Transfer of sperms in the female genital tract. | a. | Gestation |
| ii. | Delivery of baby | b. | Fertilization |
| iii. | Fusion of male and female gamete. | c. | Parturition |
| iv. | Formation of sperms and ovum | d. | Insemination |
| e. | Gametogenesis |
Given below are the events in human reproduction. Write them in correct sequential order.
Insemination, gametogenesis, fertilisation, parturition, gestation, implantation
