Please select a subject first
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The snail is an aquatic animal.
Concept: undefined >> undefined
The function of the brain is well developed in vertebrate animals.
Concept: undefined >> undefined
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The amoeba is a multicellular animal.
Concept: undefined >> undefined
Tell some characteristics of creepers.
Concept: undefined >> undefined
On the basis of which criteria will you classify plants and animals?
Concept: undefined >> undefined
What protects the bodies of animals?
Concept: undefined >> undefined
What is sublimation?
Concept: undefined >> undefined
The image obtained in the pinhole camera is ______.
Concept: undefined >> undefined
Give a scientific reason.
Saving paper is the need of the hour.
Concept: undefined >> undefined
The sound which is disagreeable to the ears is called ______.
Concept: undefined >> undefined
Noise has adverse effects on our ______.
Concept: undefined >> undefined
What should we do?
The silencer of a motorcycle is broken.
Concept: undefined >> undefined
What should we do?
A factory in the surroundings is producing continuous loud noise.
Concept: undefined >> undefined
Write the answer in your own words.
What measures will you take to control noise pollution?
Concept: undefined >> undefined
Complete the table.
| Nature of sound | Unpleasant | Pleasant |
| Speaking | ||
| Whispering | ||
| Aeroplane sounds | ||
| Horns of Vehicles | ||
| Railway Engine | ||
| Rustling of leaves | ||
| Neighing of a horse | ||
| Ticking of a clock |
Concept: undefined >> undefined
Give a scientific reason.
Saving paper is the need of the hour.
Concept: undefined >> undefined
Give scientific reasons.
Saving paper is the need of the hour.
Concept: undefined >> undefined
Give scientific reasons.
Saving paper is the need of the hour.
Concept: undefined >> undefined
Give scientific reasons.
Saving paper is the need of the hour.
Concept: undefined >> undefined
