Test: Reaching The Age Of Adolescence - 4


20 Questions MCQ Test Class 8 Science by VP Classes | Test: Reaching The Age Of Adolescence - 4


Description
This mock test of Test: Reaching The Age Of Adolescence - 4 for Class 8 helps you for every Class 8 entrance exam. This contains 20 Multiple Choice Questions for Class 8 Test: Reaching The Age Of Adolescence - 4 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Reaching The Age Of Adolescence - 4 quiz give you a good mix of easy questions and tough questions. Class 8 students definitely take this Test: Reaching The Age Of Adolescence - 4 exercise for a better result in the exam. You can find other Test: Reaching The Age Of Adolescence - 4 extra questions, long questions & short questions for Class 8 on EduRev as well by searching above.
QUESTION: 1

Larynx is called

Solution: The larynx  commonly called the voice box, is an organ in the top of the neck of tetrapods involved in breathing, producing sound, and protecting the trachea against food aspiration. It becomes a different sound based on the position of the tongue, lips, mouth, and pharynx. When swallowing, the backward motion of the tongue forces part of the larynx called the epiglottis to cover up the opening to the larynx, also called the laryngeal opening.
QUESTION: 2

The egg is

Solution:
QUESTION: 3

Thyroxine is produced by

Solution:
QUESTION: 4

There are _____ pairs of chromosomes in human cell.

Solution:
QUESTION: 5

Initially girls grow _____ than boys.

Solution:
QUESTION: 6

The period of maturity of reproductive organs is called

Solution:
QUESTION: 7

Fertilisation is

Solution:
QUESTION: 8

Puberty age in females is

Solution:
QUESTION: 9

The stoppage of menstruation is called

Solution:
QUESTION: 10

The male hormone is

Solution:
QUESTION: 11

 Stomach is called voice box.

Solution:
QUESTION: 12

Boys have enlarged and well developed Adam’s apple.

Solution:
QUESTION: 13

The chemicals secreted by endocrine glands are called enzymes.

Solution:
QUESTION: 14

Insulin is the hormone which is produced by pituitary gland. 

Solution:

The most important harmone that the pancreas produces is insulin. Insulin is released by the beta cells in the islets of Langerhans in response to food.
So, the given statement is false.

QUESTION: 15

There are 23 pairs of chromosomes in the nuclei of human cell. 

Solution:
QUESTION: 16

Diabetes is caused by less secretion of insulin by pancreas.

Solution:
QUESTION: 17

Estrogen is male hormone.

Solution:
QUESTION: 18

The puberty age in females is 14 to 16 years.

Solution:

Puberty usually occurs in girls between the ages of 10-14  , while in boys it generally occurs later, between the ages of 12-16.

QUESTION: 19

Some sperms have X type and some have Y type chromosomes.

Solution:
QUESTION: 20

Out of 23 pairs of chromosomes only two pairs are called sex chromosomes.

Solution: False B'cuz...Only 1 pair out of 23 pairs chromosomes is Sex Chromisomes.

Related tests