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

An expert agriculturist suggested the farmer minimize the use of chemical fertilizers and instead use biofertilizers as they have many advantages over chemical fertilizers. Which of the following is not true regarding biofertilizers?          (Set-B     NSO, 2013)

a)

They are economical.

b)

They will least pollute the lake.

c)

They are renewable.

d)

They require large set-up for their production.

Q.2

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.3

A sea breeze is caused due to __________.

a)

convection

b)

conduction

c)

radiation

d)

All of these

Q.4

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.5

Find out the two signs to be interchanged for making following equation correct: 6 + 4 x 5 - 8/ 4 = -12

a)

- & +

b)

- & /

c)

+ & /

d)

x & /

Q.6

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.7

Find the missing character among the given alternatives:



a)

12

b)

13

c)

11

d)

10

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

Which plant bears spiny seeds with hooks to be dispersed by animals?

a)

Sunflower

b)

Castor

c)

Xanthium

d)

Balsam

Q.10

Fill in the blank:

Bryophyllum can reproduce by its ___________.

a)

stem

b)

flower

c)

leaves

d)

roots

Your Score: 0/10


Sample PDF of SOF - National Science Olympiad (NSO) PDF Sample Papers for Class 7:


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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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