National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
The plant shown has fleshy stems to store water.

Ans 2:

Class : Class 4
B

Ans 3:

Class : Class 5
4B

Ans 4:

Class : Class 4
its B

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
please explain

Ans 2:

Class : Class 5
electric charge is how electrostatic force is formed and the same is here. so answer is DDDDDDDDDDDDD.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 5
it is actually due to electrostratic force.

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Read the given statements and select the correct answer.
Statement 1 : It is not possible to photograph a virtual image.
Statement 2 : An image is said to be virtual if the reflected or refracted rays are diverging in nature.

A Both statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1.
B Both statement 1 and statement 2 are true but statement 2 is not the correct explanation.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.


The answer for this question is given wrong,the answer isYes. Any camera that's capable of photographing actual objects is also capable of photographing real and virtual images.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
hyiuhiuhiuhiuohinjkhnjklnh

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 5
how many kHz = Hz

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
none of the options are correct

Ans 2:

Class : Class 6

Ans 3:

Class : Class 4
the correct answer will be both option b and d

Ans 4:

Class : Class 5
no option is corect,it is d with the diseases interchanged

Ans 5:

Class : Class 6
Option D is the correct answer

Ans 6:

Class : Class 6
D is the correct answer

Ans 7:

Class : Class 6
None of the options are correct

Ans 8:

Class : Class 6
I DISCUSSED A LOT .SEARCHED ON GOOGLE. MALARIA IS A NON COMMUNICABLE DISEASE.PLEASE explain IT

Ans 9:

Class : Class 5

Ans 10:

Class : Class 6

Ans 11:

Class : Class 5
no option is correct

Ans 12:

Class : Class 4
D is the correct answer

Ans 13:

Class : Class 6
Pls explain

Ans 14:

Class : Class 6
correct answer should be D

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 3
ok

Ans 3:

Class : Class 6

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Subject :NSO    Class : Class 6

Refer to the given paragraph and answer the following question.
Plant P is the only source of food for the caterpillars of a butterfly species, Q. Plant P depends on the adults of the butterfly species Q for pollination. Infact, animal Q is the only pollinator of plant P in nature. Animal R feeds exclusively on the caterpillars of the butterfly species, Q. Animal R in turn is the prey of animal S.
Which of the following is likely to happen if animal S is hunted to extinction?

A Animal R will continuously feed on animal Q which may lead to coextinction of both P and Q with time.
B The populations of both animals Q and R will increase, however the population of plant P will decrease with time.
C Population of animal R will increase while population of animal Q will decrease with time.
D Both (A) and (C)


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 3
when we put some water in a soil surface, we cold see small bubbles on the soil surface.

Ans 3:

Class : Class 3
D

Ans 4:

Class : Class 3
If we in a soil sample, we would see small bubbles on the soil sample.

Ans 5:

Class : Class 3
D)

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