﻿ NCERT Solutions CBSE Class 12 Biology Chapter 4 | Reproductive Health

1. Reproductive Health – Problems and Strategies
2. Population Explosion and Birth Control
3. Medical Termination of Pregnancy
4. Sexually Transmitted Diseases
5. Infertility

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Chapter 4- Reproductive Health

Complete study of the reproductive health

The health of reproductive system decides the ability to produce effectively. However, there are various conditions that become challenging for reproductive health. The study of the health of the reproductive system is included in the CBSE curriculum of class 12th.

ScoreX™ provides a course to help you study for Class 12 Biology Ch-4 Reproductive Health.

What do you get in this chapter course?

In the course of the Biology class 12 ncert solutions chapter 4, you learn about the diseases and other issues related to the reproductive health.

1. Reproductive Health – Problems and Strategies

The problems associated with the reproductive health require strategies in order to get resolved.

2. Population Explosion and Birth Control

With high rates of reproduction, the population explosion has become a big issue. The birth control measures help in monitoring the population growth.

3. Medical Termination of Pregnancy

It is also possible for people to leverage medical techniques to resolve the problem of infertility. The treatment helps in pregnancy.

4. Sexually Transmitted Diseases

Sexually transmitted diseases are also a big problem. However, medical science has developed reliable treatments for some of the diseases. However, for many, the precaution becomes the only way.

5. Infertility

Infertility shows the sexual disability of a male or female reproductive system. The problem restricts the person from producing. There are various treatments available and many are under research as well.

The complete study of the reproductive health is necessary for life. So, get the course and understand all about the topic.

1. Q.No 1 - Look carefully for the pattern, and then choose which pair of numbers comes next 9, 16, 23, 30, 37, 44, 51

59,66

58,65

54, 61

56,62

None

1/10
2. Q.No 2 - A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

650

690

698

700

None

2/10
3. Q.No 3 - Look carefully for the pattern, and then choose which pair of numbers comes next 42, 40, 38, 35, 33, 31, 28

25, 22

26,23

26, 24

26,22

None

3/10
4. Q.No 4 - Find the wrong number in the following series. 1250, 1322 , 1452, 1674, 2024 , 2544

1250

1674

2544

2024

None

4/10
5. Q.No 5 - A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

12 days

15 days

16 days

18 days

None

5/10
6. Q.No 6 - Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

7

10

12

13

None

6/10
7. Q.No 7 - During World War I Germany was defeated in the Battle of Verdun on the western front and Romania declared war on the eastern front in the year

None

7/10
8. Q.No 8 - 2442 , 1222 , 614 , 312 ,163 , 90 , 55.75 Look at series carefully and find the wrong number

1222

312

90

614

None of the above

8/10
9. Q.No 9 - A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

10/21

11/21

2/7

5/7

None of the above

9/10
10. Q.No 10 - In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

6.25

6.5

6.75

7

None of the above

10/10