NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1068 - 1071 of 1484

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Question number: 1068

» Biology » Control and Coordination

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MCQ▾

Question

Which of the following is/are the characteristic features of reflex action?

I. Rapid removal of the hand from a hot or sharp object

II. Sweating

III. Coughing or sneezing in response to irritation of the nasal passages and trachea or bronchi

Which feature/ (s) is/are correct?

Choices

Choice (4) Response

a.

I only

b.

II and III only

c.

I, II and III only

d.

I and III only

Question number: 1069

» Biology » Control and Coordination

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

Effector Efferent neuron Control center Afferent neuron receptor

b.

Receptor Afferent neuron Control center Efferent neuron Effector

c.

Receptor Efferent neuron Control center Afferent neuron Effector

d.

Effector Afferent neuron Control center Efferent neuron Receptor

Question number: 1070

» Biology » Control and Coordination

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MCQ▾

Question

When one person cerebellum is injured in an accident. This person is unable to do which of the following actions?

I. Smooth movement

II. Controls balance

III. Cardiac function

IV. Sleep

Which action/ (s) is/are correct?

Choices

Choice (4) Response

a.

I and II only

b.

II and III only

c.

III and IV only

d.

IV and I only

Question number: 1071

» Biology » Control and Coordination

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MCQ▾

Question

Which of the following transport (s) metabolic waste and nutrients?

I. Ducts

II. Blood

III. Nerves

Which of these is/are correct?

Choices

Choice (4) Response

a.

I only

b.

III only

c.

II only

d.

I and II only

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