Q.1 |
The diagram below shows an experimental setup to investigate the movements of substances. Visking tubing is an artificial selectively permeable membrane. |
a) |
Replace 20% sucrose solution with 40% sucrose solution. |
b) | Replace 20% sucrose solution with 5% sucrose solution. |
c) | Heat the beaker. |
d) | Replace visking tubing with rubber tubing. |
Q.2 |
Fill in the blank: The best topsoil for growing plants is ____________. |
a) |
loam soil |
b) | black soil |
c) | red soil |
d) | None of these |
Q.3 |
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.4 |
What is the best thing to do when strong winds blow over a hut having a weak thatched roof? |
a) |
Open the doors and windows |
b) | Close all the doors and windows |
c) | Make holes in the roof |
d) | Burn wood inside |
Q.5 |
Which of the following fibres have the physical properties given below? |
a) |
Cotton |
b) | Silk |
c) | Wool |
d) | Rayon |
Q.6 |
The feature that help amoeba to engulf the food is: |
a) |
pseudopodia |
b) | flagella |
c) | both pseudopodia and flagella |
d) | None of these |
Q.7 |
Which of the following is a parasitic plant? |
a) |
Cactus |
b) | Hydrilla |
c) | Cuscuta |
d) | Cucumber |
Q.8 |
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.9 |
The chemical name of milk of magnesia is: |
a) |
magnesium hydroxide |
b) | sodium hydroxide |
c) | sodium chloride |
d) | None of these |
Q.10 |
Consider the following statements and choose the correct option:
|
a) |
Statement 1 is correct but statement 2 is incorrect. |
b) | Statement 1 is incorrect but statement 2 is correct. |
c) | Both the statements are correct |
d) | Both the statements are incorrect |
Your Score: 0/10
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 : b | Q.2 : a | Q.3 : c | Q.4 : a | Q.5 : c | Q.6 : a | Q.7 : c | Q.8 : a | Q.9 : a | Q.10 : c