NCERT Solutions For Class 8 Science Chapter 7 Reaching The Age Of Adolescence MCQs

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NCERT Solutions For Class 8 Science Chapter 7 Reaching The Age Of Adolescence Multiple Choice Questions

Question 1. Which endocrine gland is attached to the brain?

  1. Adrenal
  2. Pancreas
  3. Pituitary
  4. Thyroid

Answer: 3. Pituitary

NCERT Class 8 Science Chapter 7 Reaching the Age of Adolescence MCQs

NCERT Solutions For Class 8 Science Chapter 7 Reaching The Age Of Adolescence MCQs

Question 2. Which choice appropriately distinguishes the roles of oestrogen and insulin?

  1. Oestrogen plays a role in the development of mammary glands, while insulin helps to control blood sugar levels
  2. Oestrogen plays a role in promoting the growth of facial hair, while insulin helps to control blood sugar levels
  3. Oestrogen helps to control blood sugar levels, while insulin plays a role in promoting the growth of facial hair
  4. Oestrogen helps to control blood sugar levels, while insulin plays a role in the development of mammary glands

Answer: 1. Oestrogen plays a role in the development of mammary glands, while insulin helps to control blood sugar levels

NCERT Solutions For Class 8 Science Chapter 7 Reaching The Age Of Adolescence Multiple Choice Questions

Question 3. The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is

  1. Thyrouid
  2. Pituitary
  3. Adreied
  4. Pancreas

Answer: 2. Pituitary

NCERT Solutions for Reaching the Age of Adolescence Chapter 7

Question 4. What are the consequences of drug addiction?

  1. They can harm our body
  2. They can protect our body from infections
  3. They can enhance the body’s immunity
  4. They can make our body resistant to harmful organisms

Answer: 1. They can harm our body

Question 5. AIDS can spread from an infected person to another person through

  1. Sharing food
  2. Blood transfusion
  3. Sharing comb
  4. A mosquito bite

Answer: 2. Blood transfusion

Assessment Exercise Multiple Choice Questions

Question 6. What physiological changes take place in females during puberty?

  1. Development of a large voice box
  2. Development of hair on the face and chest
  3. The region below the waist becomes wider
  4. Shoulder broaden

Answer: The Region below the waist becomes wider

Question 7. During puberty, hormones are produced. What secondary sexual characteristics typically emerge when testosterone is released in males?

  1. High-pitched voice
  2. Development of Adam’s apple
  3. Development of mammary glands
  4. Growth of hair on the head

Answer: Development of Adam’s apple

Reaching the Age of Adolescence MCQs Class 8 NCERT Solutions

Question 8. Which of the following options correctly describes women’s menstrual cycle?

  1. The release of the fertilised egg from the uterus that occurs once a month
  2. The release of the unfertilised egg from the uterus that occurs once in 28-30 days
  3. The release of the unfertilised egg from the ovary that occurs once in 28-30 days
  4. The release of the fertilised egg from the ovary that occurs twice in a month

Answer: The release of the unfertilised egg from the ovary that occurs once in 28-30 days

Question 9. What would likely be the gender of a child if a sperm with Having Y chromosome fertilised an egg?

  1. A boy, as the unfertilised egg has one X chromosome
  2. A girl, as the unfertilised egg has one Y chromosome
  3. A girl, as the unfertilised egg has one X chromosome
  4. A boy, as the unfertilised egg has one Y chromosome

Answer: A boy, as the unfertilised egg has one Y chromosome

MCQs for Reaching the Age of Adolescence Chapter 7 Class 8

Question 10. Which of the following is not a hormone?

  1. Thyroxine
  2. Insulin
  3. Adrenal
  4. Insect hormone

Answer: Adrenal

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