NSO Level 1- Science Olympiad (SOF) Class 8: Questions 161 - 166 of 1076

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Question number: 161

» Crop Production and Management

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MCQ▾

Question

Which of the following is not true about chemical fertilisers?

Choices

Choice (4) Response

a.

They are commercially available plant nutrients

b.

They ensure healthy growth of plants.

c.

They provide nitrogen, phosphorus, potassium etc to the soil.

d.

They provide humus to the soil.

Question number: 162

» 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 an organic manure?

Choices

Choice (4) Response

a.

xerecat

b.

dongucw

c.

ruine

d.

shopat

Question number: 163

» Crop Production and Management

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MCQ▾

Question

Sprinklers help in conservation of water in irrigation. The statements supporting this would be

  1. Sprinklers help to reduce the force of water

  2. They irrigate a large circular area with less water

  3. This method allows the soil to absorb less water

Choices

Choice (4) Response

a.

1,2 and 3

b.

2 and 3

c.

1 and 2

d.

1 and 3

Question number: 164

» 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 crop?

Choices

Choice (4) Response

a.

hawte

b.

zaemi

c.

thanximu

d.

dapyd

Question number: 165

» Crop Production and Management

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MCQ▾

Question

Kharif crops are grown from June to October. The reason behind is

Choices

Choice (4) Response

a.

They need a lot of water.

b.

They can adapt the water logging.

c.

They need less sunlight and temperature.

d.

All a. , b. and c. are correct

Question number: 166

» Crop Production and Management

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MCQ▾

Question

Shuffle the letters in the choices in correct order to find the answer. The unwanted plants growing along with the seeds are called

Choices

Choice (4) Response

a.

deess

b.

reflitsizre

c.

tesps

d.

deews

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