NSO Level 1- Science Olympiad (SOF) Class 8: Questions 282 - 287 of 1076

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Question number: 282

» Conservation of Plants and Animals

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MCQ▾

Question

These are two endemic species of plants seen in Pachmarhi Biosphere Reserve

Choices

Choice (4)Response

a.

Sweet tamarind and yellow wood

b.

Yellow wood and wild mango

c.

Sal and Wild mango

d.

Fig and wild mango

Question number: 283

» Reproduction in Animals

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MCQ▾

Question

As people may think, mother is not responsible for the sex of the baby. The fact supporting this statement is

Choices

Choice (4)Response

a.

If the male gamete contains Y chromosome, the baby would be a male.

b.

A male gamete has 23 chromosomes.

c.

Females only have X chromosomes.

d.

The last chromosome determines the sex of the baby.

Question number: 284

» Microorganisms

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MCQ▾

Question

Which of the following is not a micro-organism?

Choices

Choice (4)Response

a.

Ant

b.

Virus

c.

Protozoa

d.

Bacteria

Question number: 285

» Microorganisms

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MCQ▾

Question

The outbreak of a deadly disease caused by virus and spread by bats took more than 10 lives in south India recently. The name of the virus is

Choices

Choice (4)Response

a.

Hendra virus

b.

Henipa virus

c.

Ebola virus

d.

Nipah virus

Question number: 286

» Reproduction in Animals

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MCQ▾

Question

The endocrine gland which produces oestrogen is

Choices

Choice (4)Response

a.

Thyroid

b.

Testes

c.

Ovary

d.

None of the above

Question number: 287

» Crop Production and Management

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MCQ▾

Question

The practices followed by a traditional farmer

  1. Spraying organic pesticides

  2. Using manure

  3. Following drip irrigation

  4. Using modern tools

Choices

Choice (4)Response

a.

3 and 4

b.

1 and 2

c.

2 and 3

d.

1 and 4

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