Biology [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 6 - 10 of 399

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Question number: 6

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Question

MCQ▾

Which of the following parts have root nodules (which contain nitrogen fixing bacteria) in the figure given below?

Image of the parts have root nodules

Image of the Parts Have Root Nodules

Loading Image

Choices

Choice (4)Response

a.

C

b.

D

c.

A

d.

B

Question number: 7

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Question

MCQ▾

Which of the following statement/statements is not true?

I. Crop rotation maintains soil fertility and reduces soil erosion

II. Crop rotation is one of the oldest and most effective cultural control strategies

III. Crop rotation helps mixing of nutrients uniformly

IV. Crop rotation is to reduce the amount of the pest population present in the soil

Find the correct statement/statement (s).

Choices

Choice (4)Response

a.

II and IV only

b.

I and IV only

c.

II and III only

d.

None of the above

Question number: 8

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Question

MCQ▾

The process of loosening and turning up of the soil is called:

Choices

Choice (4)Response

a.

Ploughing

b.

Manuring

c.

Sowing

d.

All of the above

Question number: 9

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Question

MCQ▾

The crop that requires most irrigation amongst the given choices is

Choices

Choice (4)Response

a.

Sugarcane

b.

Cotton

c.

Maize

d.

Banana

Question number: 10

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Question

MCQ▾

Identify the cell part which named as P and Q respectively?

Image of the cell parts

Image of the Cell Parts

Loading Image

Choices

Choice (4)Response

a.

P – Endoplasmic reticulum; Q – Ribosomes

b.

P – Lysosomes; Q – Microtubules

c.

P – Ribosomes; Q – Endoplasmic reticulum

d.

P – Microtubules; Q – Lysosomes