NSO Level 1- Science Olympiad (SOF) Class 7: Questions 574 - 577 of 593

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Question number: 574

» Nutrition in Plants and Animals

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Appeared in Year: 2012

MCQ▾

Question

‘Silk has come under fire from animal rights activists’. Why?

Choices

Choice (4) Response

a.

It takes approximately 630 cocoons to make a silk blouse.

b.

Because female silk moth is reared to lay hundreds of eggs at a time.

c.

After hatching, the silkworms are fed on mulberry leaves continuously for six weeks.

d.

Cocoons are collected and put into very hot water, killing the silkworm inside them.

Question number: 575

» Nutrition in Plants and Animals

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Appeared in Year: 2012

MCQ▾

Question

The given figure shows ________.

Figure shows the dispersal flower

Figure Shows the Dispersal Flower

This figure shows the dispersal flower

Choices

Choice (4) Response

a.

Seed dispersal carried out by explosion

b.

Seed dispersal carried out by insect

c.

Seed dispersal carried out by wind

d.

Seed dispersal carried out by sunlight.

Question number: 576

» Motion and Time

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Appeared in Year: 2012

MCQ▾

Question

Figure shows magnet P alone in the presence of magnet Q

Figure Shows Magnet P Alone in the Presence of Magnet Q

This figure shows magnet P alone in the presence of magnet Q

In the figure Y, magnet P is experiencing ________.

1. Magnetic force of repulsion

2. Magnetic force of attraction

3. Elastic spring force

4. Gravity

Choices

Choice (4) Response

a.

2 and 4 only

b.

1 and 4 only

c.

2 and 3 only

d.

1 and 3 only

Question number: 577

» Nutrition in Plants and Animals

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Appeared in Year: 2012

MCQ▾

Question

Arpita took a strip of blotting paper of and clipped one half on the upper surface and the other half on the lower surface of a leaf. What would she most likely observe after one hour?

Choices

Choice (4) Response

a.

Blotting paper clipped on the upper surface is more wet.

b.

The observation cannot be predicted.

c.

Blotting paper is equally wet on both the surfaces of the leaf.

d.

Blotting paper clipped on the lower surface is more wet.

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