NSO Level 1- Science Olympiad (SOF) Class 8: Questions 223 - 227 of 1175

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Question 223

Question

MCQ▾

Farmers leave the field fallow in between two crops. This is to

Choices

Choice (4)Response

a.

Improve the growth of microorganism in the soil

b.

Retain the moisture of the soil

c.

Substitute the lost nutrients in the soil

d.

Question does not provide sufficient data or is vague

Question 224

Question

MCQ▾

A group of similar type of interbreeding individuals is called a

Choices

Choice (4)Response

a.

Family

b.

Genus

c.

Species

d.

Fauna

Question 225

Question

MCQ▾

The bacteria present in root nodules are called nitrogen fixing bacteria because

Choices

Choice (4)Response

a.

They utilise the nitrogen present in the nodules.

b.

They convert the humus in the soil to nitrogen.

c.

They help to fix the atmospheric nitrogen in the nodules.

d.

They produce nitrogen in the nodules.

Question 226

Question

MCQ▾

Hormones produced by endocrine glands are transported to the right place by

Choices

Choice (4)Response

a.

Blood

b.

Small intestine

c.

Lungs

d.

Question does not provide sufficient data or is vague

Question 227

Question

MCQ▾

Which of the following is not a function of oestrogen?

Choices

Choice (4)Response

a.

Increase in height and weight

b.

Enlargement of breast

c.

Development of ovary and uterus

d.

None of the above

Developed by: