SOF - NSO PDF Sample Papers for Class 7

Class 7 sample paper & practice questions for National Science Olympiad (NSO) level 1 are given below. Syllabus for level 1 is also mentioned for these exams. You can refer these sample paper & quiz for preparing for the exam.


Sample Questions from Olympiad Success:

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10

Q.1

Which of the following is the best thing to do during heavy lightning?

a)

Lying on the ground in an open place 

b)

Going into the nearest water body 

c)

Staying indoors away from metallic doors or windows 

d)

Standing under a tall tree

Q.2

Which of the following gives rise to new plant by roots?

a)

Sweet potato

b)

Ginger

c)

Rose

d)

Orchids

Q.3

A sea breeze is caused due to __________.

a)

convection

b)

conduction

c)

radiation

d)

All of these

Q.4

While cooking, closing the cooking pan with a lid allows the food to cook faster. Which of the following statements explains this correctly?

a)

The lid reduces the loss of heat through convection to the surroundings

b)

The lid reduces the loss of heat through radiation to the surroundings.

c)

The lid reduces the loss of heat through conduction to the surroundings.

d)

The lid prevents a convection current from being set up.

Q.5

Which of the following statements is/are correct?

a)

The level of expansion of mercury is used to measure the temperature of a substance using a thermometre.

b)

A clinical thermometre measures temperature more accurately than laboratory thermometre.

c)

The normal temperature of a human is the average body temperature of a large number of a healthy person.

d)

All of these

Q.6

Some bases along with their sources are given below. Which of them is incorrectly matched?

a)

Calcium hydroxide - Lime water

b)

Ammonium hydroxide - Window cleaner

c)

Magnesium hydroxide - Whitewash

d)

Potassium hydroxide - soap

Q.7

Find out the two signs to be interchanged for making following equation correct: 6 / 3 + 2 - 8 x 6 = 2

a)

+ & x

b)

- & /

c)

% & /

d)

x & /

Q.8

Percolation is the phenomenon of absorption of water by soil. Percolation rate of water is least in which of the following soil?

a)

sandy soil

b)

clayey soil

c)

loamy soil

d)

none of these

Q.9

Divya while studying the circuit of an electric fan observes that a plug connected to a fan contains a 3 A fuse. Why is the fuse needed?

a)

To reduce the voltage across the fan.

b)

To protect the fan from damage caused by a large current

c)

To make it easier for the current to flow

d)

To decrease the resistance of the circuit

Q.10

Which of the following can be used for testing acids and alkalis?

  1. Litmus solution
  2. Universal indicator
  3. Natural indicator
  4. pH metre

a)

Only 1

b)

Only 2

c)

1, 2 and 3

d)

1, 2, 3 and 4

Your Score: 0/10


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Answers to Sample Questions from Olympiad Success:

Q.1cQ.2aQ.3aQ.4aQ.5dQ.6dQ.7aQ.8bQ.9bQ.10d

Answers to Sample Questions from Olympiad Success:

Q.1 : c | Q.2 : a | Q.3 : a | Q.4 : a | Q.5 : d | Q.6 : d | Q.7 : a | Q.8 : b | Q.9 : b | Q.10 : d

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