NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 910 - 917 of 1732

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Question number: 910

» Physics » Heat

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MCQ▾

Question

Why we wear clothes made of wool in winters?

 Figure showing wool

Figure Showing Wool

Figure showing wool

Choices

Choice (4) Response

a.

Because wool is very cheap.

b.

Because wool is a good insulator of heat.

c.

Because Woolen garments prevents the outside cold temperature from reaching the body and also prevents the body temperature from going outside by conduction.

d.

All of the above

Question number: 911

» Mathematics » Rational Numbers

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MCQ▾

Question

Addition of rational numbers does not satisfy which of the following property?

Choices

Choice (4) Response

a.

Commutative

b.

Closure

c.

Associative

d.

None of the above

Question number: 912

» Mathematics » Lines and Angles

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MCQ▾

Question

In vertex is

Choices

Choice (4) Response

a.

Q

b.

P

c.

R

d.

None of the above

Question number: 913

» Mathematics » Exponents and Powers

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MCQ▾

Question

The value of is

Choices

Choice (4) Response

a.

81

b.

6561

c.

243

d.

729

Question number: 914

» Mathematics » Lines and Angles

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MCQ▾

Question

The fixed end point of the is

Choices

Choice (4) Response

a.

No fixed end point

b.

Point B

c.

Point A

d.

Question does not provide sufficient data or is vague

Question number: 915

» Mathematics » Perimeter and Area

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MCQ▾

Question

A sector of cut out from a circle has an area of sq cm. The radius of the circle is

Choices

Choice (4) Response

a.

2.44 cm

b.

2.25 cm

c.

1.44 cm

d.

3 cm

Question number: 916

» Mathematics » Symmetry

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MCQ▾

Question

Which of the alphabet has many lines of symmetry?

Choices

Choice (4) Response

a.

O

b.

J

c.

Q

d.

T

Question number: 917

» Mathematics » Lines and Angles

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MCQ▾

Question

The angle made by a straight line is

Choices

Choice (4) Response

a.

b.

c.

d.

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