EASY
8th CBSE
IMPORTANT
Earn 100

Structures present in a cell which is responsible for the determination of sex of a baby is

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Important Questions on Reaching the Age of Adolescence

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 7
The release of egg from an ovary is called
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 8
Which endocrine gland is called 'Master gland'?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 9
The most conspicuous visible change that occurs in boys during puberty is
MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 10

Given below are events that lead to pregnancy and development of embryo.

(i) Fertilization of egg

(ii) Maturation of egg

(iii) Release of egg

(iv) Embedding of embryo in uterus

Which of the following options gives the correct order of sequence in which they occur ?

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 11
For the metamorphosis of tadpoles which of the following elements must be available in water?
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 12

Pimples and acne are formed due to the increased activity of 

(i) adrenal gland 

(ii) sebaceous glands

(iii) thyroid gland 

(iv) sweat glands

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 13
AIDS can spread from an infected person to another person through
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 10 - Reaching the Age of Adolescence>Chapter Practice>Q 14
Which among the following hormones controls calcium metabolism in our body?