NSO Level 1- Science Olympiad (SOF) Class 8: Questions 185 - 189 of 1076

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Question number: 185

» Crop Production and Management

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MCQ▾

Question

Shuffle the letters in the choices in correct order to find the answer. Which of the following is not a chemical fertilizer?

Choices

Choice (4) Response

a.

shopat

b.

ruae

c.

dongucw

d.

mimanoa

Question number: 186

» Crop Production and Management

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MCQ▾

Question

When Reeta’s class visited a farm to observe the process of agriculture, she saw some labourers removing some plants of the main crop from the field. Her teacher has explained about weeding in the class. She was surprised why they are removing the plants of main crop. The possible reason would be

  1. They wanted to prevent overcrowding of plants in the field.

  2. Overcrowding makes the plants grow unhealthy as they do not get enough sunlight, water and nutrients

Choices

Choice (4) Response

a.

Statement 1 is the correct explanation of statement 2

b.

Statement 1

c.

Statement 2 is the correct explanation of statement 1

d.

Statement 2

Question number: 187

» Crop Production and Management

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MCQ▾

Question

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 number: 188

» Microorganisms

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MCQ▾

Question

Yeast is an example of a

Choices

Choice (4) Response

a.

Bacteria

b.

Virus

c.

Protozoa

d.

Fungus

Question number: 189

» Conservation of Plants and Animals

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MCQ▾

Question

The animal species found in a particular area are collectively called

Choices

Choice (4) Response

a.

Fauna

b.

Flora

c.

Animal life

d.

Zoology

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