CBSE Class 7 Science Adolescence: A Stage of Growth and Change (Class 7 NCERT New) Quiz 2

1. Which row correctly links the named process with its description?

A A Menstruation release of an egg B B Menstruation shedding of the lining of the uterus C C Ovulation fusion of nuclei D D Ovulation ovulation start of puberty

2. Adolescents should be careful about what they eat, because

A proper diet develops their brains. B proper diet is needed for the rapid growth taking place in their body. C adolescents feel hungry all the time. D taste buds are well developed in teenagers.

3. Reproductive age in women starts when their

A menstruation starts. B breasts start developing. C body weight increases. D height increases.

4. Which statement is the definition of the term drug?

A a substance produced in the body to stimulate hormonal reactions B a substance produced by white blood cells to kill bacteria C a substance taken into the body that modifies or affects chemical reactions D a substance produced in the body which alters the activity of one or more specific target organs

5. The right meal for adolescents consists of

A chips, noodles, coke. B chapati, dal, vegetables. C rice, noodles and burger. D vegetable cutlets, chips and lemon drink.

6. The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion- Balanced diet is very important at the age of adolescence. Reason- The meal include proteins, carbohydrates, fats and vitamins are known as balanced diet.

A Assertion and reason both are correct statement and reason is correct explanation for assertion. B Assertion and reason both are correct statement and reason is not correct explanation for assertion. C Assertion is correct statement but reason is wrong statement. D Assertion is wrong statement but reason is correct statement.

7. The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion- Reproductive life of a woman lasts from menarche to menopause. Reason- Menarche is the starting phase of menstruation and menopause is the stoppage of menstruation.

A Assertion and reason both are correct statement and reason is correct explanation for assertion. B Assertion and reason both are correct statement and reason is not correct explanation for assertion. C Assertion is correct statement but reason is wrong statement. D Assertion is wrong statement but reason is correct statement.

8. The following question consists of two statements - Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below: Assertion- Girls have high pitched voice, whereas boys have a deep voice. Reason- Because the voice is depend upon the growth of larynx.

A Assertion and reason both are correct statement and reason is correct explanation for assertion. B Assertion and reason both are correct statement and reason is not correct explanation for assertion. C Assertion is correct statement but reason is wrong statement. D Assertion is wrong statement but reason is correct statement.

9. What can be a likely consequence of taking drugs during adolescence?

A They can harm our body. B They can protect our body from infections. C They can enhance body's immunity. D They can make our body resistant to harmful organisms.

10. How can a normal person get HIV infection if he is habitual to take drugs?

A A normal person can get HIV infection if he is habitual to take drugs by sharing food with a person who takes drugs B A normal person can get HIV infection if he is habitual to take drugs by sharing the syringe with an infected person to inject drugs C A normal person can get HIV infection if he is habitual to take drugs by sharing a common place with an infected person D A normal person can get HIV infection if he is habitual to take drugs by touching an infected person