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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
Which one term in the following includes the others?
air, flora, fauna, environment, water, sunlight, soil
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...........
What is meant by 'environment'?
Name the organisms whose uncontrolled activities are damaging the environment.
"Burning fossil fuels is a cause of global warming." Justify this statement.
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.
Soil.
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.
trees
Classify the following as natural or man-made.
book.
Classify the following as natural or man-made.
table.
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
