NSO Level 1- Science Olympiad (SOF) Class 8: Questions 359 - 364 of 1175

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Question 359

Question

MCQ▾

Chemical that inhibit microbial growth

Choices

Choice (4)Response

a.

Sodium benzoate

b.

Sodium chloride

c.

Sodium Meta bisulphite

d.

Both a. and c. are correct

Question 360

Question

MCQ▾

Microorganisms that cause diseases are called

Choices

Choice (4)Response

a.

Fungus

b.

Pathogens

c.

Parasites

d.

None of the above

Question 361

Question

MCQ▾

Direction: Select the correct explanation of the statement given in question from the following sets

Weeds are unwanted plants that grow along with the main crops

  1. They absorb water and nutrients supplied to the crop
  2. They help the crop to grow healthy
  3. They compete with crop plants for space and sun light

Choices

Choice (4)Response

a.

1 and 2

b.

1 and 3

c.

1,2 and 3

d.

2 and 3

Question 362

Question

MCQ▾

Which of the following condition is not favourable for growing rice?

Choices

Choice (4)Response

a.

Humidity

b.

Rainfall

c.

Dry soil

d.

Moderate temperature

Question 363

Question

MCQ▾

The given figure shows a tap root system. Observe the figure carefully and answer the following

Figure Shows a Tap Root System

The plants having root nodules are called

Choices

Choice (4)Response

a.

Legumes

b.

Rhizobium

c.

Root nodules

d.

Root bubbles

Question 364

Question

MCQ▾

This is an example of an extinct bird

Choices

Choice (4)Response

a.

Dodo

b.

Horn bill

c.

Kiwi

d.

Ostrich

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