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Question-1 Adolescent age is between the years -

(A) 11 to 18	(B)11 to 25
(C)10 to 15	(D) 8 to 20

Question-2 Temperature is a determining factor of sex in

(A) Fishes	(B)Reptiles
(C)Birds	(D)Mammals

Question-3 Menstrual cycles comes to an end at the age of

(A) 50 – 60 years	(B) 45 – 50 years
(C)35 – 45 years	(D)60 – 70 years.

Question-4 How are endocrine glands different from exocrine glands?

1. Endocrine glands produce hormones while exocrine glands produce other secretions.
2. Endocrine glands have ducts while exocrine glands do not have ducts.
3. Endocrine do not have ducts while exocrine glands have ducts.
4. Endocrine glands produce enzymes while exocrine glands produce hormones.

(A) 1 and 2	(B)1 only
(C)1 and 3	(D)2 and 4

Question-5 Hormones produce their effect on -

(A) Heart and brain	(B) Whole body
(C)Target organs/sites	(D)Endocrine glands.

Question-6 Hormones are required in __________ quantities.

(A) Small quantities	(B)Large quantities
(C)Different quantities	(D)Any quantities

Question-7 The release of egg from the Ovary is known as

(A) Ovum production	(B) Fertilization
(C)Ovulation	(D)Ovarian Cycle

Question-8 We need to include __________ in our diet so that we get enough iodine to produce thyroxin.

(A) Fruits and junk foods.	(B) Sea foods and vegetables.
(C)Chips and colas	(D)Egg and meat

Question-9 __________ and __________ are endocrine glands.

(A) Pituitary glands and tear glands	(B)Tear glands and Liver
(C)Liver and Thyroid glands	(D)Pituitary glands and Thyroid glands.

Question-10 What are the two different types of Sex chromosomes in Human beings?

(A) X and X	(B)Y and Y
(C)X and Y	(D)X and Z.

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Std 8

CBSE

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Reaching the Age of Adolescence
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