NSO Level 1- Science Olympiad (SOF) Class 10: Questions 115 - 117 of 986

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Question 115

Question

MCQ▾

For student P, Q, R, S noted the corrosion of the iron nail kept in beaker (I) , (II) , (III) , and (IV) . After inserting iron nail in each solution and leaving it undisturbed for few days, the corrosion of each iron nail was again noted.

Four Beakers with Metal Strip

They recall their observation in the form of table given below:

Shows the Observation in the Form of Table
StudentColor of the iron nail

Color of the iron nail

Color of the iron nail

Color of the iron nail

PSlightly rustyVery rustyNot rustyVery rusty
QVery rustySlightly rustyVery rustyNot rusty
RNot rustyVery rustySlightly rustyVery rusty
SVery rustyNot rustyVery rustySlightly rusty

Which student noted the corrosion of the iron nail in all four beakers correctly?

Choices

Choice (4)Response

a.

P

b.

S

c.

R

d.

Q

Question 116

Question

MCQ▾

Find the value of x using Pythagorean Theorem.

Figure Shows the Right Triangle

Choices

Choice (4)Response

a.

15

b.

18

c.

16

d.

17

Question 117

Question

MCQ▾

A girl leaves from her home. She first walks 35 m in the North-west direction and then 35 m in south-west direction. Next, she walks 35 m in south-east direction. Finally, she turns towards her house. In which direction is she moving?

Choices

Choice (4)Response

a.

South-east

b.

North-west

c.

North-east

d.

South-west

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