Questions

Write True or False, correct and rewrite the false statements.

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5 questions · timed · auto-graded

Question 11 Mark
A loud crashing sound follows a lightning.
Answer
True, Friction and brushing happens between two clouds making them charged and lightning is produced between two clouds or one cloud and earth. The temperature increases and air pressure also increases to high amount and produces a loud sound of thunder.
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Question 21 Mark
Heavy rains result in famine.
Answer
True. Heavy rains result in flood so crops get washed away or damaged in the flood and results in famine.
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Question 31 Mark
It is possible to prevent the eruption of a volcano.
Answer
False. It is not possible to prevent the eruption of a volcano because it is a natural event. However, by means of science and technology, it is possible to predict an eruption in advance and to take immediate steps for disaster management.
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Question 41 Mark
You should not swim when there is lightning in the sky.
Answer
True. Lightning carries some electric charges which causes electric current in it. Water catches this current so if any person is swimming pool during lightning in the sky, then there are more chances that lightning may strike in water and the person may die due to it.
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Question 51 Mark
Information about a forthcoming storm is to be kept secret.
Answer
False. Information about a forthcoming storm is not to be kept secret because, with this information we can take immediate steps for disaster management. Large scale damage of property and loss of life can be avoided.
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Write True or False, correct and rewrite the false statement - Science STD 7 Questions - Vidyadip