NSO Level 1- Science Olympiad (SOF) Class 8: Questions 187 - 192 of 1175

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Question 187

Question

MCQ▾

Controlling pest population below a damaging level using living organisms is called

Choices

Choice (4)Response

a.

Chemical control

b.

Pest control

c.

Crop control

d.

Bio-control of pests

Question 188

Question

MCQ▾

Yeast is an example of a

Choices

Choice (4)Response

a.

Bacteria

b.

Virus

c.

Protozoa

d.

Fungus

Question 189

Question

MCQ▾

The animal species found in a particular area are collectively called

Choices

Choice (4)Response

a.

Fauna

b.

Flora

c.

Animal life

d.

Zoology

Question 190

Question

MCQ▾

The advantage of using a seed drill for sowing seeds instead of traditional tools is

Choices

Choice (4)Response

a.

It ensures that the seeds are covered by soil which protect them from eating away by birds and insects.

b.

It saves time and labour

c.

It sows the seeds uniformly at proper distance and depth

d.

All a., b. and c. are correct

Question 191

Question

MCQ▾

Raju has a powerful hand lens with him. He boasted that he has seen a microorganism with his hand lens. It may be a

Choices

Choice (4)Response

a.

Bacteria

b.

Protozoan

c.

Fungus

d.

Virus

Question 192

Question

MCQ▾

The speciality of endocrine glands is

Choices

Choice (4)Response

a.

They are ductless glands

b.

They can be seen anywhere in the body

c.

They are large in size

d.

They do not secrete hormones.

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