NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1083 - 1087 of 1484

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Question 1083

Question

MCQ▾

Which of the following hormones occurs naturally?

Choices

Choice (4)Response

a.

2,4 – dichlorophenoxyacetic acid

b.

Indole butyric acid

c.

Naphthalene acetic acid

d.

Indole acetic acid

Question 1084

Question

MCQ▾

Which of these labelled parts function is sense, think and imagine?

Image Showing Brain Parts

Choices

Choice (4)Response

a.

R

b.

Q

c.

P

d.

All of the above

Question 1085

Question

MCQ▾

Which statement about the human brain is incorrect?

Choices

Choice (4)Response

a.

The hindbrain can be divided into 3 parts; medulla oblongata, pons and cerebellum.

b.

Forebrain is responsible for receiving and processing sensory information.

c.

Cerebrum is to control muscular movements for balance and posture.

d.

The upper part of the midbrain is called optic tectum.

Question 1086

Question

MCQ▾

Which of the following is an effector organ?

I. Smooth muscle

II. Cardiac muscle

III. Glands

Which of these is/are correct?

Choices

Choice (4)Response

a.

II and III only

b.

I and III only

c.

I and II only

d.

I, II and III only

Question 1087

Question

MCQ▾

Which of the following is the correct sequence of the components in the transfer of impulses in a reflex arc?

I. Effector muscle cells

II. Spinal cord

III. Relay neuron

IV. Sensory neuron

V. Motor neuron

Explain the correct sequence?

Choices

Choice (4)Response

a.

I III V IV II

b.

IV II III V I

c.

II V IV I III

d.

III IV I II V

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