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CBSE
Class 8 Science
Reaching The Age Of Adolescence
Quiz 2
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Which of the following disease is causes by deficiency of iodine:
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goitre
0%
diabetes
0%
scurvy
0%
beri-beri
Explanation
Goitre disease is caused by deficiency of iodine.
Which of the following is secreted by endocrine glands:
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harmones
0%
enzymes
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digestive juices
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all of the above
Explanation
Hormones is secreted by endocrine glands.
Which of the following hormones is secreted by pituitary gland:
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insulin
0%
thyroxine
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growth
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adrenalin
Explanation
Growth hormone is secreted by pituitary gland.
The necessary element for the formation of thyroxine hormone is:
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iron
0%
iodine
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calcium
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magnesium
Explanation
Iodine element is necessary for the formation of thyroxine hormone.
Which of the following gland secretes thyroxine hormone:
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adrenal
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thyroid
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pituitary
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pancreas
Explanation
Thyroid gland secretes thyroxine hormone.
Which of the following hormone helps at the time of excitement, tear, tension etc:
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adrenalin
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insulin
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growth
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thyroxine
Explanation
Adrenalin hormone helps at the time of excitement, tear, tension etc.
Menarche is:
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beginning of menstrual flow
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stoppage of menstrual flow
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attachment of embryo with the uterus
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none of these
Explanation
Menarche is beginning of menstrual flow.
Menopause is:
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beginning of menstrual flow
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stoppage of menstrual flow
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attachment of embryo with the uterus
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none of these
Explanation
Menopause is stoppage of menstrual flow.
‘Puberty’ is the age at which the:
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reproductive system stops
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reproductive system becomes functional
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person starts talking
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none 6 these
Explanation
‘Puberty’ is the age at which the reproductive system becomes functional.
Adolescents should be careful about what they eat, because:
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proper diet develops their brains
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proper diet is needed for the rapid growth taking place in their body
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adolescents feels hungry all the time
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taste buds are well-developed in teenagers.
Explanation
Adolescents should be careful about what they eat, because proper diet is needed for the rapid growth taking place in their body.
The male hormone is
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Estrogen
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Progesterone
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Testosterone
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All the above
Structures present in a cell which is responsible for determination of the sex of a baby is
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cytoplasm
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cell membrane
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nucleus
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chromosome
Match the column
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p -> iii, q -> iv, r -> i , s ->ii
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p -> iv, q -> iii, r -> i, s ->ii
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p -> iv, q -> i, r -> ii , s ->iii
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p -> ii, q -> iv, r -> i , s ->iii
Match the column
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p -> iii, q -> iv, r -> i , s ->ii
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p -> iv, q -> iii, r -> ii, s ->i
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p -> iv, q -> i, r -> ii , s ->iii
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p -> ii, q -> iv, r -> i , s ->iii
How many pairs of chromosomes in human cell
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20
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21
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32
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23
which gland produces insulin?
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Thyroid gland
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Pancreas
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Pituitary Gland
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Adrenal gland
Pancreas is located
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Base of the brain
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Near the larynx
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Below the stomach
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Behind the thyroid
The Female hormone is
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Estrogen
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repbigen
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Testosterone
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All the above
The belief that the mother is completely responsible for the sex of the child is wrong because the child
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gets sex chromosome only from the mother.
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develops in the body of the mother.
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gets one sex chromosome from the mother and the other from the father.
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gets sex chromosome only from the father.
Match the column
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p -> ii, q -> i, r -> iv , s ->iii
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p -> iv, q -> iii, r -> ii, s ->i
0%
p -> iv, q -> i, r -> ii , s ->iii
0%
p -> ii, q -> iv, r -> i , s ->iii
0 h : 0 m : 1 s
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