NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1082 - 1086 of 1483

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Question 1082

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

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Question 1083

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

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Question 1084

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.

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Question 1085

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

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Question 1086

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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