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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
D

Ans 2:

Class :
P. Because water polluted by Industrial waste and farm pesticides will still have pollutants that cannot be cleaned by the water treatment plant.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
The answer should be A.When the object is close to the bulb more light will be diffracted so the image will not be sharp.I have performed this at a lab.

Ans 2:

Class : Class 8
answer is A. i just checked this with my lamp

Ans 3:

Class : Class 3

Ans 4:

Class : Class 6
Answer is A probably we should complain

Ans 5:

Class : Class 7
The answer must be A. We have performed this experiment at our school.

Ans 6:

Class : Class 6
Report error

Ans 7:

Class : Class 3
the questions below please give her an appointment on Wednesday morning or Sunday or Friday or Thursday or Wednesday or Tuesday or Monday or Saturday afternoon to be more difficult times that he doesn't say they can't have enough

Ans 8:

Class : Class 6
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Ans 9:

Class : Class 5
answer is A . I checked with a torch.

Ans 10:

Class : Class 6
A

Ans 11:

Class : Class 8
the answer is A, the shadow is sharp or perfect in shape when close to a screen

Ans 12:

Class : Class 7

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
Ans is b

Ans 2:

Class : Class 8
B

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
hulyh

Ans 2:

Class : Class 6
B) 66

Ans 3:

Class : Class 8
C.72

Ans 4:

Class : Class 5
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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
can anyone explain how??really puzzled!

Ans 2:

Class : Class 5
Even I don't know how to solve it.

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Subject :NSO    Class : Class 6

The given diagram shows the positions of four different objects after they have been dropped into a trough of water. Which of the following correctly matches the objects used?


A 1- Ping pong ball, 2 – marble, 3 - crushed aluminium foil, 4 - iron rod

B 1 – Ping pong ball, 2 – iron rod, 3 – crushed aluminium foil, 4 – marble

C 1 – Crushed aluminium foil, 2 – ping pong ball, 3 – iron rod, 4 – marble

D1 – Crushed aluminium foil, 2 – iron rod, 3 – marble, 4 – ping pong ball


plz explain how

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
C would be the answer

Ans 2:

Class : Class 7
I THINK SO OPTION C IS THE CORRECT OPTION.BECAUSE GUPPY FISH WILL EAT THE PLANTS ,WHEN IT IS REDUCED THEN NO ONE WILL EAT THE PLANTS.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Four different-sized beakers are filled with water up to the same height. The temperature of the water is same in all four beakers. If we put 100 gram of ice in each beaker, what effect will occur?


A The water temperature in beaker 2 will change the most.
B The ice will melt fastest in the beaker 3.
C The temperature changes will be same in all four beakers.
D The temperature of the water in beaker 3 will change the most.


In the OSDS, this question is there.The solutions say-(The temperature changes will be same in all four beakers)-this is the answer.

Ans 1:

Class : Class 8
It should be a as it has more surface area

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