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प्रश्न
Classify the following as natural or man-made.
stone.
विकल्प
Natural
Man-made
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उत्तर
stone - Natural
संबंधित प्रश्न
What is meant by 'environment'?
Name the organisms whose uncontrolled activities are damaging the environment.
The use of one of the following will pollute the environment. This one is :
(a) paper carry bags
(b) cotton cloth carry bags
(c) nylon cloth carry bags
(d) jute carry bags
Write the percentage of solar energy captured by the autotrophs.
The compound obtained on reaction of iron with steam is/are:
Could you observe any microorganisms?
Give reason.
It is important to conserve the living components of the environment.
Classify the following as natural or man-made.
Soil.
Classify the following as natural or man-made.
water hyacinth.
Classify the following as natural or man-made.
sunlight
Classify the following as natural or man-made.
pen
Producers are ________.
When is the world environment day celebrated?
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Select the mis-matched pair in the following and correct it.
What are the by-products of fertiliser industries? How do they affect the environment?
Explain some harmful effects of agricultural practices on the environment.
The abiotic factors are the non-living parts such as sunlight, air, water, and minerals in the soil.
