SilverZone - IOS PDF Sample Papers for Class 7

Class 7 sample paper & practice questions for International Olympiad of Science (IOS) 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

Complete the following sentence:

The solutions which do not change the colour of either red or blue litmus are known as __________.

a)

acidic solutions

b)

base solutions

c)

neutral solutions

d)

indicator

Q.2

Bryophyllum can reproduce by its ___________.

a)

Stem

b)

flower

c)

Leaves

d)

Roots

Q.3

Which of the following distance-time graph shows a truck which is moving with constant speed?



a)

a

b)

b

c)

c

d)

d

Q.4

In summers, if milk is not refrigerated, it becomes sour. Which of the following is added by milkmen to fresh milk to prevent the milk from spoiling?     (NSO, 2011)

a)

Caustic soda 

b)

Potash alum

c)

Baking soda

d)

Lime water

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

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.7

Which of the following statements is/are correct?

a)

Phloem tubes are only found in the leaves of plants as this is where the sugars are made.

b)

The volume of blood in an average human adult is 10 litres.

c)

Blood contains many more white blood cells than red blood cells.

d)

All of these

Q.8

Mohan saw a plant which he thought to be a legume and wanted to see if it had nitrogen-fixing bacteria. What would he look for?      (NSO, 2009)

a)

Absence  of root hairs

b)

An enlarged taproot

c)

Nodules present on the root

d)

An extensive fibrous root system

Q.9

Sita and Gita are two sisters staying in different cities. Both were gifted an iron statue by their brother. Sita has to take a lot of care to maintain the shine of the statue, however, Gita does not need to make such efforts. This is because ______

I. Sita stays in Bombay

II. Gita stays in Bombay

III. The humid weather of Bombay makes the statue prone to rusting

IV. Gita stays in Jaipur          (NSO, 2010)

a)

I, II and III 

b)

I, III and IV 

c)

II and III only 

d)

II and IV only

Q.10

Choose the missing term out of the given alternatives:

DF, GJ, KM, NQ, RT, ?

a)

UW

b)

YZ

c)

XZ 

d)

UX

Your Score: 0/10


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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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