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प्रश्न
Classify the following as natural or man-made.
water hyacinth.
पर्याय
Natural
Man-made
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उत्तर
water hyacinth - Natural
संबंधित प्रश्न
Fill in the following blank with suitable word :
The science that deals with the inter-relationships of living things with one another and their environment is called...........
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:
What substances in the soil are useful for the growth of plants?
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.
sunlight
Classify the following as natural or man-made.
water
Classify the following as natural or man-made.
pen
Classify the following as natural or man-made.
chair
It is a biodegradable waste.
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
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.
