Q.1 |
Observe the figure given below. ![]() |
a) |
X: Opaque body |
b) | X: Light source |
c) | X: Light source |
d) | X: Opaque body |
Q.2 |
Which of the following fibers on burning smells like burning hair? |
a) |
Cotton |
b) | Flax |
c) | Wool |
d) | Jute |
Q.3 |
Why is water useful to life on the earth? (i) It maintains ecological balance. (ii) It sustains life. (ii) It is necessary for respiration in aquatic organisms. |
a) |
Only (i) and (ii) |
b) | Only (ii) and (iii) |
c) | Only (i) and (iii) |
d) | (i), (ii) and (iii) |
Q.4 |
A cell, a conducting wire and a bulb are used for constructing a simple electric circuit. What are they called? |
a) |
Consumers |
b) | Connectors |
c) | Components |
d) | Sources |
Q.5 |
There are four cups made of different materials: Silver, aluminium, wood and copper. In which of them will tea remain warm for a longer time? |
a) |
Silver cup |
b) | Aluminium cup |
c) | Wooden cup |
d) | Copper cup |
Q.6 |
Which part of the plants given below is eaten as food? ![]() |
a) |
Roots |
b) | Leaves |
c) | Flowers |
d) | Stems |
Q.7 |
Which of the following is used by tailors to cut and stitch clothes made of cotton for us? |
a) |
Cotton bolls |
b) | Cotton bales |
c) | Cotton fibers |
d) | Cotton fabric |
Q.8 |
Landfills are most commonly used method of soil waste disposal. Which is the best place for landfill in a city? |
a) |
Near a school |
b) | Outside the city |
c) | Near a hospital |
d) | Near a park |
Q.9 |
Which of the following is an irreversible change? |
a) |
A toy aeroplane made my folding paper. |
b) | Baking of roti. |
c) | A balloon changes its size and shape on blowing air into it. |
d) | Melting of wax |
Q.10 |
Take two samples, one of oil and other of water. Mix the two, you would observe that ________ |
a) |
They are soluble |
b) | Oil floats on water |
c) | Water floats on oil |
d) | None of these |
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Answers to Sample Questions from Olympiad Success:
Q.1 : a | Q.2 : c | Q.3 : d | Q.4 : c | Q.5 : c | Q.6 : c | Q.7 : d | Q.8 : b | Q.9 : b | Q.10 : b