NSO Level 1- Science Olympiad (SOF) Class 12: Questions 97 - 101 of 106

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Question 97

Question

MCQ▾

The diagram shows the effect of an enzyme working in the human digestive system.

Effect of an Enzyme Working in the Human Digestive System

What will be the enzyme X?

Choices

Choice (4)Response

a.

Proteases

b.

Peptones

c.

Amylase

d.

Invertase

Question 98

Question

MCQ▾

The diagram shows the male reproductive system.

Where is the site of spermatogenesis?

The Diagram Shows the Male Reproductive System

Choices

Choice (4)Response

a.

B diagram

b.

D diagram

c.

C diagram

d.

A diagram

Question 99

Question

MCQ▾

Which shows the sex chromosomes in the body cells and sex cells in a man?

Choices

Choice (4)Response

a.

Body cells-XX, Sex cells-All X

b.

Body cells-XY, Sex cells- All XY

c.

Body cells-XY, Sex cells- X or Y

d.

Body cells-XX, Sex cells- All XX

Question 100

Question

MCQ▾

Sickle-cell anaemia is an inherited disease.

Sickle-Cell Anaemia

Which genotypes represented in the diagram would increase an individual՚s resistance to malaria?

Choices

Choice (4)Response

a.

2,3, and 4

b.

2,5, and 6

c.

1,4, and 5

d.

1,3, and 4

Question 101

Question

MCQ▾

Possible effects of drug abuse include

1. Addiction,

2. Reduced self-control,

3. Severe withdrawal symptoms.

Which effects may occur as a result of drinking too much alcohol?

Choices

Choice (4)Response

a.

1 and 2 only

b.

3 only

c.

1 only

d.

All a., b. and c. are correct

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