NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 685 - 690 of 816

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Question 685

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Question

MCQ▾

Which of the following has the same monomer unit?

Choices

Choice (4)Response

a.

Rayon and nylon

b.

Nylon and cellulose

c.

Cellulose and rayon

d.

Polyester and nylon

Question 686

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Question

MCQ▾

If cost price of 20 articles is equal to selling price of 12 articles, then the profit percentage is

Choices

Choice (4)Response

a.

50%

b.

66.7%

c.

28%

d.

33.3%

Question 687

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Question

MCQ▾

The most ideal region for the cultivation of cotton in India is

Choices

Choice (4)Response

a.

The Deccan Plateau

b.

Red soil region

c.

North Plain

d.

Coastal region

Question 688

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Question

MCQ▾

Sonar emits which of the following waves?

Choices

Choice (4)Response

a.

Radio waves

b.

Magnetic waves

c.

Light waves

d.

Ultrasonic waves

Question 689

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Question

MCQ▾

When a base is dissolved in water

Choices

Choice (4)Response

a.

no change in concentration of OH- ions per unit volume occurs

b.

concentration of OH- ions per unit volume increases

c.

concentration of OH- ions per unit volume decreases

d.

concentration of OH- ions per unit volume may increase or decrease depending upon the nature of the base

Question 690

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Question

MCQ▾

Which one of the following species of bee is used for the commercial production of honey?

Choices

Choice (4)Response

a.

Apis mellifera

b.

Apis florae

c.

Apis indica

d.

Apis dorsata