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Question-1 Human female produces-

(A) One type of egg.	(B)Two types of eggs.
(C)Three types of eggs.	(D)Four types of eggs.

Question-2 Adolescent age is between the years -

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

Question-3 Which among the following is a secondary sexual character?

(A) Change in voice	(B)Development of Breasts
(C)Increase in Height	(D)Production of sweat in more amount.

Question-4 Hormones are required in __________ quantities.

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

Question-5 Temperature is a determining factor of sex in

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

Question-6 The Master endocrine gland is ______ which produces_______.

(A) Thyroid gland , Thyroxin	(B)Pancreas , Insulin
(C)Adrenal gland , Adrenaline	(D)Pituitary gland , growth hormone.

Question-7 How are the last pair of chromosome different in their function in Human beings?

(A) They give us strength.	(B) They influence our behaviour
(C)They gives us long life.	(D)They influence/ determine our sex.

Question-8 The release of egg from the Ovary is known as

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

Question-9 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-10
Metamorphosis is delayed when the water in which tadpoles live is deficient of the mineral -

(A) Iron	(B)Iodine
(C) Glucose	(D)Salt

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Std 8

CBSE

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