Reaching the Age of Adolescence For Class 8 MCQ Question

Q 1 – Adolescence is the period of
(a) 5 to 10 years
(b) 11 to 19 years
(c) 22 to 28 years
(d) 30 to 40 years

Q 2 – When a sperm having X-chromosome fuses with the ovum, the child born will be
(a) male
(b) female
(c) male as well as female twin
(d) it depends on the chance of fusion

Q 3 – How many pairs of Chromosomes are found in nuclei of their cells?
(a) 22 pairs
(b) 23 pairs
(c) 24 pairs
(d) 25 pairs

Q 4 – Children gain height during
(a) adolescence
(b) endocrine
(c) balanced food
(d) menarche

Q 5 – Testes secrete
(a) thyroxin
(b) estrogen
(c) testosterone
(d) iodine

Q 6 – Adam’s apple is
(a) enlarged larynx
(b) mammary glands
(c) apple of adam
(d) red apple

Q 7 – The chemical substances which are secreted from endocrine glands are called
(a) puberty
(b) hormones
(c) estrogen
(d) adolescence

Q 8 – Out of these which one determines the sex of the baby?
(a) Hormones
(b) Chloroplast
(c) Chromosomes
(d) Pituitary gland

Q 9 – What is the stoppage of menstruation called?
(a) Menarche
(b) Menopause
(c) Gametes
(d) Insulin

Q 10 – Which hormone is secreted by adrenal glands?
(a) Adrenalin
(b) Insulin
(c) Testosterone
(d) Estrogen

Q 11 – Reproduction age in women starts when their
(a) menstruation starts
(b) breasts start developing
(c) body weight increases
(d) height increases

Q 12 – Which is male gonads?
(a) Hair
(b) Chest
(c) Moustache
(d) Testis

Q 13 – The beginning of menstruation at puberty is called
(a) ovulation
(b) menstruation
(c) menarche
(d) menopause

Q 14 – In males, the sex chromosome consists
(a) one X and one Y
(b) both X and X
(c) both Y and Y
(d) one M and one X

Q 15 – Production of thyroxin requires
(a) sodium
(b) magnesium
(c) iodine
(d) bromine

Q 16 – The period of life, when the body undergoes changes, leading to reproductive maturity, is called
(a) childhood
(b) adolescence
(c) Grown up
(d) Old age

Q 17 – The human body undergoes several changes during adolescence. These changes mark the onset of
(a) Puberty
(b) Prematurity
(c) Post adolescence
(d) ageing

Q 18 – Adam’s apple is prominent in
(a) Boys of any age
(b) Adolescent girls
(c) Girls of any age
(d) Adolescent boys

Q 19 – Larynx is also called
(a) Voice box
(b) Sound box
(c) Black box
(d) All of the above

Q 20 – Acne and pimples on the face is due to secretion of
(a) bile from liver
(b) Oil glands during puberty
(c) Enzymes in the digestive tract
(d) Tear from tear glands

Q 21 – Testosterone is a hormone found in human ___
(a) Children
(b) males and females
(c) Females only
(d) Males only

Q 22 – The first menstrual flow is called
(a) Menstruation
(b) Mensuration
(c) Menarche
(d) Menopause

Q 23 – Menopause occurs at the age of
(a) 10-12 years in boys
(b) 45-50 years in men
(c) 10-12 years in girls
(d) 45-50 years in women

Q 24 – When a sperm containing Y chromosome fertilizes an egg with X chromosome, the zygote develops into a _____ child
(a) Female
(b) Either a male or female
(c) Male
(d) No child

Q 25 – The change from larvae to adult is called
(a) Metabolism
(b) Metamorphosis
(c) Metastasis
(d) Morphology

Q 26 – The adolescence period is
(a) 14 – 20 years
(b) 10 – 18 years
(c) 11 – 19 years
(d) none of these

Q 27 – Larynx is called
(a) music box
(b) voice box
(c) respiratory organ
(d) sound box

Q 28 – Most adolescents attain their maximum height around the age of
(a) 22 – 25 years
(b) 13 – 15 years
(c) 11 – 12 years
(d) 18 – 19 years

Q 29 – Initially girls grow
(a) slower than boys
(b) faster than boys
(c) both of these
(d) none of these

Q 30 – Puberty age in females is
(a) 10 – 12 years
(b) 12 – 14 years
(c) 8 – 10 years
(d) 5 – 6 years

Q 31 – Puberty age in males is
(a) 12 – 14 years
(b) 13 – 15 years
(c) 10 – 12 years
(d) 18 – 20 years

Q 32 – Thyroxine hormone is produced by
(a) adrenal gland
(b) testes
(c) pituitary gland
(d) thyroid gland

Q 33 – The male hormone is called
(a) estrogen
(b) testosterone
(c) thyroxine
(d) insulin

Q 34 – The female hormone is called
(a) estrogen
(b) testosterone
(c) adrenaline
(d) none of these

Q 35 – Menstruation occurs once in about
(a) 28 to 30 days
(b) 25 to 30 days
(c) 45 to 50 days
(d) none of these

Q 36 – The number of chromosomes present in human cell are
(a) 25 pairs
(b) 22 pairs
(c) 23 pairs
(d) none of these

Q 37 – The number of sex chromosomes are
(a) three
(b) two
(c) four
(d) none of these

Q 38 – The age of menopause stage is
(a) 45 to 50 years
(b) 40 to 45 years
(c) 50 to 55 years
(d) none of these

Q 39 – The gametes have only
(a) one set of chromosomes
(b) two sets of chromosomes
(c) three sets of chromosomes
(d) none of these

Q 40 – Which of the following is male gonads?
(a) Moustache
(b) Chest
(c) Testes
(d) Hair

Q 41 – Production of thyroxine requires
(a) magnesium
(b) iodine
(c) sodium
(d) bromine

Q 42 – Which of the following determines the sex of the baby?
(a) Chromosomes
(b) Chloroplast
(c) Hormones
(d) Pituitary gland

Q 43 – Pancreas is responsible for maintaining
(a) blood pressure
(b) fat metabolism
(c) blood glucose level
(d) electrolyte balance

Q 44 – Adolescence usually ends at which age?
(a) 18 years
(b) 17 years
(c) 16 years
(d) 15 years

Q 45 – Which hormone is responsible for the secondary sexual characters in girls?
(a) Estrogen
(b) Testosterone
(c) Thyroxine
(d) Adrenaline

Q 46 – What is the normal duration of menstrual cycle?
(a) 2 to 7 days
(b) 14 days
(c) 28 to 30 days
(d) 40 weeks

Q 47 – Reproductive phase in women continues for how many decades?
(a) One
(b) Two
(c) Three
(d) Four

Q 48 – Which hormone is secreted by pancreas?
(a) Thyroxine
(b) Insulin
(c) Adrenaline
(d) Testosterone

Q 49 – Iodine is essential for proper working of which of the following endocrine glands?
(a) Thyroid
(b) Pituitary
(c) Adrenal
(d) Pancreas

Q 50 – Which of the following glands secretes the growth hormone?
(a) Thyroid
(b) Pituitary
(c) Adrenal
(d) Testis

Q 51 – Which of the following glands secretes oil?
(a) Thyroid gland
(b) Pituitary gland
(c) Sebaceous gland
(d) Endocrine gland

Q 52 – Which of the following is the male hormone that is secreted by the testes at the onset of puberty?
(a) Estrogen
(b) Insulin
(c) Adrenalin
(d) Testosterone

Q 53 – The female hormone secreted by the ovaries at the onset of puberty is
(a) estrogen
(b) insulin
(c) adrenalin
(d) testosterone