CBSE Class 10 Science Chapter 7 Control And Coordination Multiple Choice Questions with Answers. MCQ Class 10 Science Control And Coordination with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Control And Coordination MCQs with Answers to know their preparation level.
Multiple Choice Questions - Set - 4
Question 1:
Junction between two neurons is called
(a) cell junction
(b) neuro muscular junction
(c) neural joint
(d) synapse
Correct Answer – (D)
Question 2 :
The hormone which increases the fertility in males is called
(a) oestrogen
(b) testosterone
(c) insulin
(d) growth hormone
Correct Answer – (B)
Question 3 :
Dramatic changes of body features associated with puberty are mainly because of secretion of
(а) oestrogen from testes and testosterone from ovary
(b) estrogen from adrenal gland and testosterone from pituitary gland
(c) testosterone from testes and estrogen from ovary
(d) testosterone from thyroid gland and estrogen from pituitary gland
Correct Answer – (C)
Question 4 :
Which statement is not true about thyroxin?
(а) Iron is essential for the synthesis of thyroxin
(b) It regulates carbohydrates, protein and fat metabolism in the body
(c) Thyroid gland requires iodine to synthesise thyroxin
(d) Thyroxin is also called thyroid hormone
Correct Answer – (A)
Question 5 :
What is the correct direction of flow of electrical impulses?
(a) 
(b) 
(c) 
(d) 
Correct Answer – (C)
Question 6 :
Which of the following endocrine glands is unpaired?
(a) Adrenal
(b) Testes
(c) Pituitary
(d) Ovary
Correct Answer – (C)
Question 7 :
A doctor advised a person to take an injection of insulin because
(a) his blood pressure was low
(b) his heart was beating slowly
(c) he was suffering from goitre
(d) his sugar level in blood was high
Correct Answer – (D)
Question 8 :
Dwarfism results due to
(a) Excess secretion of thyroxin
(b) Less secretion of growth hormone
(c) Less secretion of adrenaline
(d) Excess secretion of growth hormone
Correct Answer – (B)
Question 9 :
Which of the following is not an involuntary action?
(a) Vomiting
(b) Salivation
(c) Heart beat
(d) Chewing
Correct Answer – (D)
Question 10 :
When a person is suffering from severe cold, he or she cannot
(а) differentiate the taste of an apple from that of an ice cream
(b) differentiate the smell of a perfume from that of an agarbatti
(c) differentiate red light from green light
(d) differentiate a hot object from a cold object
Correct Answer – (B)
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