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प्रश्न
What could be the reasons for adopting contraceptive methods?
उत्तर
Contraceptive methods are mainly adopted because of the following reasons:
- To prevent unwanted pregnancies.
- To control population rise or birth rate.
- To prevent the transfer of sexually transmitted diseases.
- To regulate the proper spacing between pregnancies.
- To maintain a ratio between the home economy and the size of the family.
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संबंधित प्रश्न
Write the functions of the following organs of reproduction:
a. Ovaries
b. Seminal vesicle and prostate glands
Describe, in brief, the changes the uterus undergoes
(i) to receive the zygote.
(ii) if zygote is not formed
Newly formed DNA copies may not be identical at times. Give one reason.
State whether human beings reproduce by sexual method or asexual method.
Mention two functions of human ovaries.
What is gestation period? How much is the gestation period in humans?
What is ovulation? How often does it happen in human females?
What is placenta? What is its function?
Fertilisation results immediately in the formation of :
(a) a zygote
(b) an embryo
(c) a placenta
(d) a foetus
The germ cell A produced by a person X is round in shape and it fuses with another germ cell B having a long tail and produced by a person Y. The fusion of A and B produces a new cell C. The cell C divides repeatedly and grows inside the organ D of person X to form E in which the body features of the unborn baby are not much developed. E grows further to form F in which the various body features of the unborn baby (like hands, legs, head, eyes, and ears, etc.) can be identified. F grows further and ultimately forms a baby. What are A, B, C, D, E and F? Out of the two persons X and Y, which one is male and which one female?
Given below is a diagram of two systems together in the human body.
 |
- Name the systems.
- Name the parts numbered 1-10.
- Describe the functions of the parts 3, 4, 5 & 6.
- What will happen if the part 3 on both sides gets blocked?
The normal gestation period in humans is:
Describe in brief the role of prostate gland in human male reproductive system.
Differentiate on the basis of what is indicated in brackets :
The prostate gland and Cowper’s gland (the nature of secretion)
Name the Following
What does this abbreviation stand for FSH?
Give Technical Term:
What are the age restrictions for marriages by law for boys and girls in India?
The male homologue of the female clitoris is ____________.
What is inhibin? State its functions.
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 |
