Reaching the Age of Adolescence (CBSE Class-8 Science): Questions 1 - 7 of 26

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Question number: 1

» Reaching the Age of Adolescence » Hormones in Animals and Insects » Life History of Insects

MCQ▾

Question

During metamorphosis in insects larva change to:

Choices

Choice (4) Response

a.

Insect

b.

Frog

c.

Adult

d.

Question does not provide sufficient data or is vague

Question number: 2

» Reaching the Age of Adolescence » Hormones Other Than Sex Hormones » Insulin

MCQ▾

Question

Name the hormone lowersthe blood sugar level:

Choices

Choice (4) Response

a.

Pineal hormone

b.

Adrenalin

c.

Glucagon

d.

Insulin

Question number: 3

» Reaching the Age of Adolescence » Adolescence and Puberty » Increase in Height

MCQ▾

Question

Height of individuals increases during the adolescence due to the elongation of:

Choices

Choice (4) Response

a.

Long bones

b.

Bones of arms and the legs

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 4

» Reaching the Age of Adolescence » Reproductive Health » Personal Hygiene

MCQ▾

Question

Personal hygiene means:

Choices

Choice (4) Response

a.

Cotton undergarments should be preferred

b.

have a bath at least once everyday

c.

All body parts should be cleaned and washed everyday

d.

All a. , b. and c. are correct

Question number: 5

» Reaching the Age of Adolescence » Adolescence and Puberty » Secondary Sexual Characters

MCQ▾

Question

Boy’s secondary sexual characters are:

Choices

Choice (4) Response

a.

Hair grows under the arms and in pubic region

b.

Develop hair on their chest

c.

Boys begin to grow facial hair that is moustaches and beard

d.

All a. , b. and c. are correct

Question number: 6

» Reaching the Age of Adolescence » Role of Hormones in Initiating Reproductive Function » Reproductive Phase of Life in Humans

MCQ▾

Question

Menarche is:

Choices

Choice (4) Response

a.

The first menstrual flow

b.

Bleeding in women

c.

Stoppage of menstruation

d.

None of the above

Question number: 7

» Reaching the Age of Adolescence » Role of Hormones in Initiating Reproductive Function » How Is the Sex of the Baby Determined?

MCQ▾

Question

Sex of the body is determined with the:

Choices

Choice (4) Response

a.

Ova

b.

Sperms

c.

Sex chromosomes

d.

Hormones

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