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Question-1
The release of egg from the Ovary is known as
(A)
Ovum production
(B)
Fertilization
(C)
Ovulation
(D)
Ovarian Cycle
Question-2
Ovum or egg is produced by
(A)
Uterus
(B)
Ovary
(C)
Fallopian tube
(D)
Testes
Question-3
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-4
Metamorphosis is delayed when the water in which tadpoles live is deficient of the mineral -
(A)
Iron
(B)
Iodine
(C)
Glucose
(D)
Salt
Question-5
Chemicals produced by ants which help them to coordinate each other are known as
(A)
Hormones
(B)
Enzymes
(C)
Coordinators
(D)
Pheromones.
Question-6
Adolescent age is between the years -
(A)
11 to 18
(B)
11 to 25
(C)
10 to 15
(D)
8 to 20
Question-7
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-8
__________ 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-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
The Master endocrine gland is ______ which produces_______.
(A)
Thyroid gland , Thyroxin
(B)
Pancreas , Insulin
(C)
Adrenal gland , Adrenaline
(D)
Pituitary gland , growth hormone.
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Std 8
CBSE
Practice in Related Chapters
Reproduction in Animals
Microorganisms: Friend and Foe
Reaching the Age of Adolescence
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