# NSO Level 1- Science Olympiad (SOF) Class 7: Questions 69 - 74 of 593

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## Question number: 69

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MCQ▾

### Question

What is the number of triangles in the given figure? Figure Shows Number of Triangles This figure shows number of triangles

### Choices

Choice (4) Response

a.

16

b.

18

c.

20

d.

13

## Question number: 70

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MCQ▾

### Question

Find the missing numbers in the given series.

### Choices

Choice (4) Response

a.

30

b.

33

c.

39

d.

37

## Question number: 71

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MCQ▾

### Question

In following diagram, the angle of reflection is: Reflection of a Light Ray In figure reflection of a light ray is shown.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 72

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MCQ▾

### Question

The perpendicular to the surface at the point at which the incidence ray falls is called:

### Choices

Choice (4) Response

a.

Normal

b.

Incident ray

c.

Normal reflected ray

d.

Normal incident ray

## Question number: 73

Edit
MCQ▾

### Question

Which square must be shaded so that the figure has a line of symmetry? Diagram Shows the Square Has Line of Symmetry This diagram shows line of symmetry

### Choices

Choice (4) Response

a.

R

b.

S

c.

P

d.

Q

## Question number: 74

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Appeared in Year: 2012

MCQ▾

### Question

In the given figure, and S is the midpoint of QR. Then by ________ congruence. Figure Shows Triangle of PQR and S is the Midpoint This figure shows triangle of PQR and S is the midpoint

### Choices

Choice (4) Response

a.

SSS

b.

SAS

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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