Advertisements
Advertisements
प्रश्न
What is reproduction? List its two types.
उत्तर
Production of one’s own kind is called Reproduction. It is giving birth to an organism similar to one self .
Reproduction is of 2 types.
1. Sexual : involves fusion and formation of gametes.
2. Asexual : doesn’t involve fusion and formation of gametes.
e.g. fission, fragmentation, budding etc.
APPEARS IN
संबंधित प्रश्न
Explain the process of development in human beings.
Describe in brief what happens to the zygote after it gets implanted.
What are the different methods of contraception?
Give scientific reasons: When an ovum gets fertilized, menstrual cycle stops temporarily in a woman.
What are the male and female gonads in human beings? Mention their functions.
Which structure in human female is equivalent to the vas deferens in the male?and in what respect the structures are equivalent?
Explain how the transmission of virus and bacteria diseases be prevented?
Diagram shows the reproductive system of female human beings:
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?
Give two important unique features of the human reproductive system.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A zygote is the product of the fusion of male and female gametes.