NCERT Solutions For Class 12 Biology Chapter 4: Reproductive Health

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NCERT Solutions for Class 12 Biology Chapter 4 Reproductive Health are provided in this article. It covers all the important definitions, concepts, and methodologies that will prove to be really beneficial for the students appearing for CBSE Class 12 Exam 2022-23. The important topics that are included in this chapter are:

Expected no. of Questions: 2-3 questions of around 5 marks

Download PDF: NCERT Solutions for Class 12 Biology Chapter 4 Reproductive Health

NCERT Solutions for Class 12 Biology Chapter 4

NCERT Solutions

Class 12 Biology Chapter 4 Reproductive Health: Important Topics

Reproductive health means human reproductive systems should be well during all the life stages which include emotional, behavioral, physical, and social well-being. Sexually transmitted diseases transferred during sexual intercourse might lead to unwanted pregnancies, in order to avoid this proper social awareness should be provided to society as a whole. The important topics are discussed below:

Amniocentesis

Amniocentesis is the process of prenatal testing that primarily diagnoses fetal infections, chromosomal abnormalities, and even sex determination. The whole process is performed on pregnant women with the primary target of prenatal diagnosis of chromosomal abnormalities and fetal infections and in some cases, sex determination of the fetus.

Contraception

Contraceptives are a way to prevent not only pregnancies but also sexually transmitted diseases. Study on contraception helps to spread awareness, which also helps to understand reproductive health in total along with its types and ways in which contraception can be made use.

Sexually Transmitted Diseases

Sexually transmitted diseases, also known as Venereal diseases, are infectious diseases transmitted through sexual contact. It is also referred to by the name reproductive tract infections (RTI). However, every STD is not sexually transmitted, they can even spread through non-sexual contact also.

Some of the sexually transmitted diseases are:

Bacterial Vaginosis (BV)
Chlamydia.
Gonorrhea.
Hepatitis.
Herpes.
HIV/AIDS & STDs.
Human Papillomavirus (HPV)
Pelvic Inflammatory Disease (PID)

Infant Mortality Rate

The infant mortality rate, also called IMR, refers to the number of deaths of infants out of every thousand children born. IMR is an important index in terms of measuring the improvement in the infant’s health and safety during and after birth.

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CBSE CLASS XII Related Questions

1.
What is the carrying capacity of a species in a habitat?
Explain the growth curve that takes this capacity into account.

View Solution

2.
What is meant by translation in protein synthesis?
Explain charging of tRNA (aminoacylation of tRNA) and mention its importance in the process of translation.

View Solution

3.
Name the phenomenon that leads to situations like ‘XO’ abnormality in humans. Also name this genetic disorder. How are individuals with an XO chromosomal abnormality affected? Write its symptoms as well as karyotype.

View Solution

4.
Read the following passage and answer the questions that follow:
The data below shows the concentration of nicotine smoked by a smoker taking 10puffs/minute.

5.
Work out the crosses between:
Normal female and Haemophilic male
Carrier female and Normal male
(III) Carrier female and Haemophilic male
Write the conclusions you draw from these crosses. Comment on the type of inheritance of the disease.
(Use: $X$ - Normal, $X^h$ - Haemophilic)

View Solution

6.
Draw a neat diagram of a maize grain showing the internal structure and label any five parts.

View Solution

NCERT Solutions For Class 12 Biology Chapter 4: Reproductive Health

NCERT Solutions for Class 12 Biology Chapter 4

Class 12 Biology Chapter 4 Reproductive Health: Important Topics

Amniocentesis

Contraception

Sexually Transmitted Diseases

Infant Mortality Rate

CBSE CLASS XII Related Questions

1.
What is the carrying capacity of a species in a habitat?
Explain the growth curve that takes this capacity into account.

2.
What is meant by translation in protein synthesis?
Explain charging of tRNA (aminoacylation of tRNA) and mention its importance in the process of translation.

3.
Name the phenomenon that leads to situations like ‘XO’ abnormality in humans. Also name this genetic disorder. How are individuals with an XO chromosomal abnormality affected? Write its symptoms as well as karyotype.

4.
Read the following passage and answer the questions that follow:
The data below shows the concentration of nicotine smoked by a smoker taking 10puffs/minute.

5.
Work out the crosses between:
Normal female and Haemophilic male
Carrier female and Normal male
(III) Carrier female and Haemophilic male
Write the conclusions you draw from these crosses. Comment on the type of inheritance of the disease.
(Use: $X$ - Normal, $X^h$ - Haemophilic)

6.
Draw a neat diagram of a maize grain showing the internal structure and label any five parts.

Similar Biology Concepts

Comments

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NCERT Solutions For Class 12 Biology Chapter 4: Reproductive Health

NCERT Solutions for Class 12 Biology Chapter 4

Class 12 Biology Chapter 4 Reproductive Health: Important Topics

Amniocentesis

Contraception

Sexually Transmitted Diseases

Infant Mortality Rate

CBSE CLASS XII Related Questions

1.What is the carrying capacity of a species in a habitat? Explain the growth curve that takes this capacity into account.

2.What is meant by translation in protein synthesis? Explain charging of tRNA (aminoacylation of tRNA) and mention its importance in the process of translation.

3.Name the phenomenon that leads to situations like ‘XO’ abnormality in humans. Also name this genetic disorder. How are individuals with an XO chromosomal abnormality affected? Write its symptoms as well as karyotype.

4.Read the following passage and answer the questions that follow: The data below shows the concentration of nicotine smoked by a smoker taking 10puffs/minute.

5.Work out the crosses between: Normal female and Haemophilic male Carrier female and Normal male (III) Carrier female and Haemophilic male Write the conclusions you draw from these crosses. Comment on the type of inheritance of the disease. (Use: $X$ - Normal, $X^h$ - Haemophilic)

6.Draw a neat diagram of a maize grain showing the internal structure and label any five parts.

Similar Biology Concepts

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
What is the carrying capacity of a species in a habitat?
Explain the growth curve that takes this capacity into account.

2.
What is meant by translation in protein synthesis?
Explain charging of tRNA (aminoacylation of tRNA) and mention its importance in the process of translation.

3.
Name the phenomenon that leads to situations like ‘XO’ abnormality in humans. Also name this genetic disorder. How are individuals with an XO chromosomal abnormality affected? Write its symptoms as well as karyotype.

4.
Read the following passage and answer the questions that follow:
The data below shows the concentration of nicotine smoked by a smoker taking 10puffs/minute.

5.
Work out the crosses between:
Normal female and Haemophilic male
Carrier female and Normal male
(III) Carrier female and Haemophilic male
Write the conclusions you draw from these crosses. Comment on the type of inheritance of the disease.
(Use: $X$ - Normal, $X^h$ - Haemophilic)

6.
Draw a neat diagram of a maize grain showing the internal structure and label any five parts.