On account of the disruption in education due to the corona pandemic, we're opening up our platform for teachers, free of cost. Know More →

Class 8

Explore popular questions from Reaching the Age of Adolescence for Class 8. This collection covers Reaching the Age of Adolescence previous year Class 8 questions hand picked by experienced teachers.

Reaching the Age of Adolescence

Correct Marks 1

Incorrectly Marks 0

Q 1. A hormone secreted in a female body only :-

Progesterone

B

Testosterone

C

Thyroxine

D

Adrenalin

Correct Marks 1

Incorrectly Marks 0

Q 2. Sexual maturity in males obtained at the age of :-

A

12-13 years

B

13-14 years

14-15 years

D

16-17 years

Correct Marks 1

Incorrectly Marks 0

Q 3. Adolescents should be careful about what they eat, because :-

A

Proper diet develops their brains

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

Correct Marks 1

Incorrectly Marks 0

Q 4. The stage when the reproductive organs reach sexual maturity is called :-

puberty

B

menstruation

C

gestation

D

fertilization

Correct Marks 1

Incorrectly Marks 0

Q 5. Which of the following is not a part of female reproductive system ?

A

ovary

B

oviduct

C

uterus

embryo

Correct Marks 1

Incorrectly Marks 0

Q 6. Reproductive age in women starts when their :-

Menstruation starts

B

Breasts starts developing

C

Body weight increases

D

Height increases

Correct Marks 1

Incorrectly Marks 0

Q 7. In a frog the process of metamorphosis is regulated by :-

A

Insulin

B

Testosterone

C

Growth hormone

Thyroxine

Correct Marks 1

Incorrectly Marks 0

Q 8. Sperms in male are produced in :-

testes

B

urethra

C

epididymis

D

penis

Correct Marks 1

Incorrectly Marks 0

Q 9. Which of the following constitutes the right meal for adolescents ?

A

Chips, noodles, coke

Chapatti, dal, vegetables

C

Rice, noodles and burger

D

vegetable cutlets, chips and lemon drink

Correct Marks 1

Incorrectly Marks 0

Q 10. After fertilization the human embryo grows inside the :-

uterus

B

ovary

C

fallopian tubes

D

zygote

Correct Marks 1

Incorrectly Marks 0

Q 11. Secretions of endocrine glands are called :-

A

enzymes

hormones

C

catalysts

D

sugars

Correct Marks 1

Incorrectly Marks 0

Q 12. The features which help to distinguish the male from the female are called :-

A

Sex chromosomes

B

Primary sexual characters

Secondary sexual characters

D

All of these

Correct Marks 1

Incorrectly Marks 0

Q 13. If fertilization doesn't occur, the ovum is released out of :-

A

urine

menstrual cycle

C

sweat

D

None of these

Correct Marks 1

Incorrectly Marks 0

Q 14. The fusion of male and female gametes usually takes place inside the :-

A

uterus

B

ovary

fallopian tubes

D

zygote

Correct Marks 1

Incorrectly Marks 0

Q 15. The process of release of ovum by the respective ovary is called as :-

Ovulation

B

Menstruation

C

Menarche

D

Menopause

Correct Marks 1

Incorrectly Marks 0

Q 16. Endocrine glands put their secretions directly into :-

A

ducts

blood

C

both

D

none of these

Correct Marks 1

Incorrectly Marks 0

Q 17. According to the accepted concept of hormone action, if receptor molecules are removed from target organs :-

A

the target organ will continue to respond to the hormone without any difference

B

the target organ will continue to respond to the hormone but will require higher concentration

the target organ will not respond to the hormone

D

the target organ will continue to respond to the hormone but in the opposite way

Correct Marks 1

Incorrectly Marks 0

Q 18. In an accident the anterior pituitary of a four year old boy was severely damaged but the boy survived. What is likely to happen :-

A

High levels of thyroxine will be released

B

Spermatogenesis will be released

The boy will not grow much in height

D

The growth of mammary glands will be stimulated

Correct Marks 1

Incorrectly Marks 0

Q 19. A gorilla like man with huge hand and legs. This is due to the abnormal secretion of :-

A

pituitary FSH

B

pituitary LH

pituitary GH

D

thyroid

Correct Marks 1

Incorrectly Marks 0

Q 20. LH and FSH are called :-

A

antistress hormones

gonadotropic hormones

C

emergency hormone

D

neurohormones

Correct Marks 1

Incorrectly Marks 0

Q 21. FSH is to estrogen as LH is to :-

A

vasopressin

B

testosterone

progesterone

D

LTH

Correct Marks 1

Incorrectly Marks 0

Q 22. In a pregnant woman having prolonged labour pains, its childbirth has to be hastened. It is advisable to administer a hormone that can :-

activate the smooth muscles

B

increase the metabolic rate

C

release glucose into the blood

D

stimulate the ovary

Correct Marks 1

Incorrectly Marks 0

Q 23. Diabetes insipidus is the syndrome which results due to the :-

A

failure of neurohypophysial system to inhibit the excess release of ADH

failure of neurohypophysial system to produce or release ADH

C

inability of pituitary to produce oxytocin

D

inability of pituitary to release ACTH

Correct Marks 1

Incorrectly Marks 0

Q 24. If a rat was given an injection of sodium iodide with radioactive iodine, then in which one of the following most of the iodine would be incorporated ?

A

Cartilage

Thyroid

C

Lymph nodes

D

Parathyroid

Correct Marks 1

Incorrectly Marks 0

Q 25. Failure of insulin production results in :-

A

addison's disease

B

cushing's disease

C

diabetes insipidus

diabetes mellitus