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प्रश्न
Which one of the places you visited shows greater biodiversity?
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उत्तर
Greater biodiversity is seen in the areas in and around forests. The places with lesser interaction with human beings have greater biodiversity.
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...........
Write one or two word for the following statement/definition :
The physical and biological world where we live in
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
The compound obtained on reaction of iron with steam is/are:
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.
water hyacinth.
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.
chair
Producers are ________.
Take a square paper. Fold its diagonals. Draw three lines in three triangles as shown in the picture.
Cut from the edge of the diagonal to the center as shown in the picture.
If you fold this triangle and paste it behind the third triangle you get a pyramidal shape.
In one of the triangles, draw images of each of the organisms in the different levels.
In another triangle write the names of the organisms. In the last triangle, write the energy level of the organism. Have a look at the following example. You must come up with different organisms!.
These are abiotic factors.
- Sunlight
- Bacteria
- Air
- Plants
Excessive exposure of humans to UV-rays results in
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Explain some harmful effects of agricultural practices on the environment.
