NSO Level 1- Science Olympiad (SOF) Class 8: Questions 343 - 347 of 1076

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Question number: 343

» Crop Production and Management

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MCQ▾

Question

Neha’s mother put some dry neem leaves in the drum of wheat grains. This is for

Choices

Choice (4) Response

a.

Protect the grains from spoilage

b.

Keeping away the birds that eat the grains

c.

Keeping away the rats that eat the grains

d.

Keeping away the insects that eat the grains

Question number: 344

» Microorganisms

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MCQ▾

Question

Canning is used as a preservative method in which of the following food items?

Choices

Choice (4) Response

a.

meat and fish

b.

Jams and jellies

c.

Dry fruits and nuts

d.

Cereals and pulses

Question number: 345

» Crop Production and Management

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MCQ▾

Question

North Indian farmers grow pulses as alternate crop after harvesting cereals. The possible reason behind this practice is

  1. Pulses are legumes

  2. They have root nodules

  3. The Rhizobium present in the nodules help to fix atmospheric nitrogen in the nodules

  4. This practice helps to retain the deficiency of nitrogen in the soil.

Choices

Choice (4) Response

a.

Statements 3 and 4 are the explanation of statements 1 and 2

b.

Statements 2 and 3 are the explanation of statements 1 and 4

c.

Statements 2 and 3

d.

Statements 1 and 2

Question number: 346

» Microorganisms

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MCQ▾

Question

Which of the following is not a method of food preservation?

Choices

Choice (4) Response

a.

Heat and cold treatments

b.

Storage and packing

c.

Chemical method

d.

Cooking

Question number: 347

» Microorganisms

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MCQ▾

Question

Microorganism consists of nucleic acid covered with a protein shell

Choices

Choice (4) Response

a.

Virus

b.

Bacteria

c.

Fungi

d.

Protozoa

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