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प्रश्न
Could you observe any microorganisms?
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उत्तर
We are not able to see microorganisms with a naked eye. We need a microscope to confirm these. So it is not possible to observe microorganisms directly during observations.
संबंधित प्रश्न
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
Write the percentage of solar energy captured by the autotrophs.
What makes the earth’s atmosphere a heterogeneous mixture?
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.?
What’s the solution?
We have to remove insects from the grain without using insecticides.
Micro-organisms form a part of the environment.
Give reason.
It is important to conserve the living components of the environment.
Classify the following as natural or man-made.
horse.
Classify the following as natural or man-made.
sunlight
Classify the following as natural or man-made.
dolphin
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
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?
The abiotic factors are the non-living parts such as sunlight, air, water, and minerals in the soil.
