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

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

A car having an odometre reading 234562 km as recorded at 6 am is moving at a speed of 2 km/min. What would be the odometre reading at 6:40 am?

a)

234602 km

b)

234642 km

c)

234565 km

d)

234655 km

Q.3

Complete the following equation:- 2 Mg (s) + O2 (g)→ 

a)

2 Mg(s)

b)

2 MgO (s) 

c)

2 MgO (l) 

d)

MgO(s)

Q.4

(2,3), (3,5), (5,7), (7,11), (11,13), (?)

a)

(13,15)

b)

(15,16)

c)

(13,17)

d)

(13,19)

Q.5

Dia was performing an experiment which includes the following steps:

Step 1: Two drops of sulphuric acid were added to 1 g of copper sulphate powder and then a small amount of hot water was added to dissolve it.

Step 2: On cooling, beautifully blue coloured crystals got separated.

Identify the changes that took place in step 1 and step 2.

a)

Step 1 - Physical change, Step - 2 Chemical change

b)

Step 1 - Chemical change, Step - 2 Chemical change

c)

Step 1 - Physical change, Step - 2 Physical change

d)

Step 1 - Chemical change, Step - 2 Physical change

Q.6

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.7

Magnesium hydroxide, obtained when magnesium oxide is dissolved in water, is _________________.

a)

a base

b)

an indicator

c)

an acid

d)

a dissolving agent

Q.8

Choose the missing term out of the given alternatives:

DF, GJ, KM, NQ, RT, ?

a)

UW

b)

YZ

c)

XZ 

d)

UX

Q.9

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.10

Fill in the blank:

The average weather pattern taken over a long time is called the ____________.

a)

Rainfall of the place

b)

Climate of the place

c)

Temperature of the place

d)

Humidity of the place

Your Score: 0/10


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Answers to Sample Questions from Olympiad Success:

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

Answers to Sample Questions from Olympiad Success:

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

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