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प्रश्न
Classify the following as natural or man-made.
water hyacinth.
विकल्प
Natural
Man-made
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उत्तर
water hyacinth - Natural
संबंधित प्रश्न
Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil
The number of malaria patients in a village increased tremendously when large number of frogs were exported from the village. What could be the cause for it?
Write one or two word for the following statement/definition :
The physical and biological world where we live in
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.
"Burning fossil fuels is a cause of global warming." Justify this statement.
The compound obtained on reaction of iron with steam is/are:
In the course of your observations, did you notice any signs of the presence of living things, though the living things themselves were not seen? For example, did you notice any partly eaten fruits or shells, fallen feathers, animal tracks, dung, droppings, nests, cocoons, eggs, honeycombs, etc.?
Micro-organisms form a part of the environment.
Classify the following as natural or man-made.
stone.
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.
book.
Classify the following as natural or man-made.
pen
Classify the following as natural or man-made.
chair
Classify the following as natural or man-made.
brick
These are abiotic factors.
- Sunlight
- Bacteria
- Air
- Plants
What are the by-products of fertiliser industries? How do they affect the environment?
Explain some harmful effects of agricultural practices on the environment.
