20622210
Description
Quiz by Deepa Nair, updated more than 1 year ago
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Created by Deepa Nair
over 4 years ago
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Question 1
Question
A table tennis ball is made of plastic and has air inside it. While playing table tennis, Nakul accidentally stepped on the ball and it was dented as shown below. What can Nakul do to restore the ball in the original shape?
Image:
P1 (binary/octet-stream)
Answer
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heat the ball in hot water
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cool the ball in the freezer
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press the ball hard from the other side
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bounce the ball on the floor multiple times
Question 2
Question
Haripriya was studying the movements in animals. Which all of the following is needed by animals for their movement?
Answer
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bones
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muscles
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cartilage
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outer skeleton
Question 3
Question
When we breathe in, we can feel the rib cage expand. It returns to the normal shape as we breathe out. One of the reasons why the shape of the rib cage can change is [blank_start]the ribs are attached to the sternum[blank_end].
Answer
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the ribs are attached to the sternum
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flexible cartilage allows ribs move
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ribs are long curved bones
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lungs have elastic walls
Question 4
Question
The following is the picture of a pond that has different types of plants growing in and around it. Which of the plants is likely to perform photosynthesis?
Image:
P2 (binary/octet-stream)
Answer
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only plant Y
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only plant X and plant Z
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only plant X and plant Y
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all three plants - X, Y and Z
Question 5
Question
A ball is held on one side of the screen, between a light source and the screen. The viewer on the other side sees a dark shadow of the ball on the screen. It would be an [blank_start]opaque[blank_end] screen.
Answer
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opaque
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