NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1754 - 1759 of 2028

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Question 1754

Question

MCQ▾

Fertility of soil is reduced by:

Choices

Choice (4)Response

a.

Crop rotation

b.

Decaying organic matter

c.

Addition of N2 fixing bacteria

d.

Intensive agriculture

Question 1755

Question

MCQ▾

In which of the following phenomena, the brain continues to sense the image, even after the object has been removed?

Choices

Choice (4)Response

a.

Optical error

b.

Persistence of eye

c.

Illusion of eye

d.

All of the above

Question 1756

Question

MCQ▾

A vessel is connected with electrodes and it filled with a liquid, which allows the electric current flow. Which of the following liquid can be possible in vessel?

Choices

Choice (4)Response

a.

Helium

b.

Salt water

c.

Distilled water

d.

Question does not provide sufficient data or is vague

Question 1757

Question

MCQ▾

Friction is a:

Choices

Choice (4)Response

a.

Scalar

b.

Constant

c.

Vector

d.

Can be scalar or vector

Question 1758

Question

MCQ▾

As shown in following figure, an object is placed on a table. If force of is required to move an object from rest, then value of static friction is:

An Object on a Table

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1759

Question

MCQ▾

A bacteriophage is:

Choices

Choice (4)Response

a.

A virus which multiplies inside a bacterium

b.

A fungus infecting bacteria

c.

A bacterium which multiplies inside a virus

d.

A bacterium

Developed by: