NSO Level 1- Science Olympiad (SOF) Class 8: Questions 344 - 348 of 1175

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Question 344

Question

MCQ▾

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 345

Question

MCQ▾

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 346

Question

MCQ▾

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 347

Question

MCQ▾

Microorganism consists of nucleic acid covered with a protein shell

Choices

Choice (4)Response

a.

Virus

b.

Bacteria

c.

Fungi

d.

Protozoa

Question 348

Question

MCQ▾

Which of the following disease is caused by a virus?

Choices

Choice (4)Response

a.

Rabies

b.

AIDS

c.

Measles

d.

All a., b. and c. are correct

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