NSO Level 1- Science Olympiad (SOF) Class 8: Questions 358 - 361 of 1076

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Question number: 358

» Reproduction in Animals

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MCQ▾

Question

The difference between endocrine and exocrine glands are

Choices

Choice (4)Response

a.

Endocrine glands produce hormones while exocrine glands produce digestive juices.

b.

Endocrine glands are ductless glands but exocrine glands have ducts to carry the hormones

c.

Endocrine glands have ducts to carry the hormones but endocrine glands are ductless glands.

d.

Question does not provide sufficient data or is vague

Question number: 359

» Microorganisms

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MCQ▾

Question

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 number: 360

» Microorganisms

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MCQ▾

Question

Microorganisms that cause diseases are called

Choices

Choice (4)Response

a.

Fungus

b.

Pathogens

c.

Parasites

d.

None of the above

Question number: 361

» Crop Production and Management

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MCQ▾

Question

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

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