Please select a subject first
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Give reasons.
It is not proper to measure quantities by using body parts as units.
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Give reasons.
It is necessary to get the weights and measures standardized at regular intervals.
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Explain the need for accurate measurement and the devices to be used for that.
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Write an answer to the following question in your own words.
Make a list of the components we obtain from mineral oil.
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Write an answer to the following question in your own words.
What is a tsunami?
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Give a scientific reason.
A wet cloth is wrapped around a water storage container in summer.
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Explain the difference between Separation by distillation and by separating funnel.
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Write an answer to the following question in your own words.
Where are the methods of separation by distillation and by separating funnel used? Why?
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Write an answer to the following question in your own words.
Which precaution will you take while using the methods of distillation and separation by separating funnel?
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Give examples of 3 plants that have:
spiny fruits
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Give examples of 3 plants that have:
many-seeded fruits
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What are the similarities and differences between jowar and moong?
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What is the importance of good soil structure?
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What are the remedial measures for the following calamity:
Storm
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What are the remedial measures for the following calamity:
Cloudburst
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True or false? Give reasons for your answer.
Information about a forthcoming storm is to be kept secret.
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True or false? Give reasons for your answer.
You should not swim when there is lightning in the sky.
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True or false? Give reasons for your answer.
It is possible to prevent the eruption of a volcano.
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Give a scientific reason.
Buttermilk is churned to get butter.
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Match the pairs.
| Group ‘A’ | Group ‘B’ | ||
| (1) | Parasitic plant | (a) | Mushroom |
| (2) | Insectivorous plant | (b) | Lichen |
| (3) | Saprophytic plant | (c) | Drosera |
| (4) | Symbiotic plant | (d) | Cuscuta |
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