EASY
8th CBSE
IMPORTANT
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Which of the following endocrine gland does not occur as a pair in the human body?

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Important Questions on Reaching the Age of Adolescence

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 108
Iodine is necessary for the synthesis of one of the following hormones. This hormone is:
HARD
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 109
Which of the following is not a sexual organ in females?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 110
Which of the following is the secondary sexual characteristic in females?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 111

Which of the following can lead to menstruation in a 21-year-old woman during ovulation?

A. Sperms are available for fertilisation.

B. Oviducts blocked

C. Sperms not available for fertilisation

D. Oviducts not blocked

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 112
The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 113
Which of the following hormone prepares our body for action in emergency situations?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 114
A doctor advised a person to take an injection of insulin because:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 10 - Reaching the Age of Adolescence>Multiple Choice Questions (MCQs)>Q 115
Pimples and acne are formed due to the increased activity of:
A. Adrenal glands
B. Sebaceous glands
C. Thyroid gland
D. Sweat glands