Q.1 |
Which of the following fibres have the physical properties given below? |
a) |
Cotton |
b) | Silk |
c) | Wool |
d) | Rayon |
Q.2 |
Which of the following is a parasitic plant? |
a) |
Cactus |
b) | Hydrilla |
c) | Cuscuta |
d) | Cucumber |
Q.3 |
During the process of exhalation, ribs move ________.
|
a) |
1 and 2 |
b) | 2 and 3 |
c) | 1 and 4 |
d) | 2 and 4 |
Q.4 |
Which of the following is a chemical change? |
a) |
Melting of ice |
b) | Dissolving of salt in water |
c) | Rusting of iron |
d) | Boiling of water |
Q.5 |
When we breathe in air, we breathe in other gases which are not needed by our body. How does the body deal with these gases? |
a) |
The tiny hairs in the nose filter them out. |
b) | These gases are exhaled out instantly, letting in only the useful gases. |
c) | Other gases are removed from the bloodstream by lungs and then exhaled. |
d) | The lungs convert these gases to oxygen and water vapour. |
Q.6 |
Fill in the blank: The best topsoil for growing plants is ____________. |
a) |
loamy soil |
b) | black soil |
c) | red soil |
d) | None of these |
Q.7 |
Sara set up an experiment as shown below. |
a) |
Container A conducts heat better than container B |
b) | Container B conducts heat better than container A |
c) | Water from container B was cooler than in A |
d) | Container B was heated by a stronger flame |
Q.8 |
The chemical name of milk of magnesia is: |
a) |
magnesium hydroxide |
b) | sodium hydroxide |
c) | sodium chloride |
d) | None of these |
Q.9 |
Rani performed litmus test with three different substances X, Y and Z. She recorded her observations in tabular form. Which of the following observations made by her is correct? |
a) |
X- Acid, Y- Base, Z-Salt |
b) | X-Base, Y-Acid, Z-Lemon Juice |
c) | X-Water, Y-Acid, Z-Base |
d) | X-Base, Y-Acid, Z-Water |
Q.10 |
In which of the following circuits will the bulb or the bulbs glow the brightest? |
a) |
A simple circuit with one bulb and one cell |
b) | A simple circuit with one bulb and two cells |
c) | A simple circuit with two bulbs and one cell |
d) | A simple circuit with two bulbs and two cells |
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Sample PDF of SilverZone - International Talent Hunt Olympiad (ITHO) PDF Sample Papers for Class 7:
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Answers to Sample Questions from Olympiad Success:
Q.1 : c | Q.2 : c | Q.3 : a | Q.4 : c | Q.5 : c | Q.6 : a | Q.7 : a | Q.8 : a | Q.9 : d | Q.10 : b