Subject :NSO Class : Class 7
Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
His image will form at 6m away from him because the distance between him and mirror is 3m so the image will form at 3m away from mirror .So the distance between him and mirror is 6m.
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Subject :NSO Class : Class 5
Ans 3: (Master Answer)
Class : Class 1
D
If these toxic chemicals enter the nearby waterbodies, they cause the microalgae population in the water-body to grow uncontrollably, causing algal bloom. These algae lower the oxygen levels in the water and cause harm to aquatic life. Toxic chemicals mixed with soil and water are absorbed by food plants and they become unfit for consumption. Toxic chemicals in the soil will cause soil pollution and water pollution. They will not cause air pollution.
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Subject :NSO Class : Class 3
Ans 1: (Master Answer)
Class : Class 1
D
Reusing old cans, bottles and newspapers means you won’t be buying new ones from market. This will help to conserve natural resources that are used for making new cans, bottles and newspapers. So, this will help to control environmental pollution.
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Subject :NSO Class : Class 8
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Subject :NSO Class : Class 5
Ans 1: (Master Answer)
Class : Class 1
D
Ploughing the field(d)→Adding fertilisers to the field(b)→Sowing the seeds(e)→Irrigation of crops(a)→Spraying pesticides(c)
Ans 3:
Class : Class 9
How is Fig. (b) Adding fertilisers to field? https://www.sofolympiadtrainer.com/forum/user/467395 Pls. reply
Ans 5:
Class : Class 6
All your pictures are blurry and dull. Could you please try to make it colourful and visible? Thank you.
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
Answer is C .Because Vitamin D is formed in our body due to exposure to sunlight through colestrol so option A is right .deficiency of vitamin D and calcium causes rickets .calcium is present in milk but not sometimes in its products .so the correct answer is C
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Subject :NSO Class : Class 8
Ans 1:
Class : Class 8
The answer is (b) According to Kepler's second law, the angular momentum of the planet is constant. The angular momentum of the planet does not vary, i.e. the aerial velocity of the planet remains constant.
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 4