National Science Olympiad Forum By SOF Olympiad Trainer - Page 663

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
Group P: Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Group Q: Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones. Hence d is the correct option.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
VOILA

Ans 2:

Class : Class 8
6

Ans 3: (Master Answer)

Class : Class 1
In figure I, evaporation of water from sugar solution is a physical change because there is only change in state of matter from liquid (sugar solution) to solid state (crystals of sugar). In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.

Ans 4:

Class : Class 9
a

Ans 5:

Class : Class 4

Ans 6:

Class : Class 10
In figure II, when sugar is heated, it turns black due to the formation of a new substance and it cannot be reversed. Therefore, it is a chemical change.thats the reason

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Class : Class 9

Ans 8:

Class : Class 6

Ans 9:

Class : Class 10

Ans 10:

Class : Class 6

Ans 11:

Class : Class 7

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
How can Sukhdev be from Punjab also and Gujarat also?????????????

Ans 2:

Class : Class 4
Answer is C because it says which is incorrect

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Class : Class 4
C

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Class : Class 8
I read correct be sorry

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Class : Class 6
I think the answer is (c) 3&4 Because they both are incorrect

Ans 6:

Class : Class 1
It is C

Ans 7:

Class : Class 6
d

Ans 8:

Class : Class 5
The answer is D

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Answer is C because it tells a laptop changes electrical energy to light and sound energy and this tells energy changes from one form to another.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
hinge joint

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
it is test tube three as it depends on the reactivity series.only in test tube 3 zinc displaces copper and in the rest the metals cant displace the alternate metal as the metal in the salt solution is more reactive than the other metal

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
you can get confused very very easily

Ans 2:

Class : Class 5
Answer is D.

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Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Yes, Z is the right option.

Ans 2:

Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.

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Class : Class 4

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Class : Class 7

Ans 5:

Class : Class 4
D is the right answer.

Ans 6:

Class : Class 6
Yes👍 of ans2

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Class : Class 4
D is the correct answer

Ans 8:

Class : Class 4
D is the correct answer

Ans 9:

Class : Class 5
how is it possible

Ans 10:

Class : Class 5
Answer is D because you can see that the Q decreases and P increases in Z so M was introduced in Z.And the food chain should be P then M and then Q and the arrows show who eats whom.For example,the arrow pointing P back pointing to M tells P eats M.

Ans 11:

Class : Class 7
Please give answer

Ans 12:

Class : Class 6

Ans 13:

Class : Class 3
Tricky question🧐🤨🤔

Ans 14:

Class : Class 8
The correct answer is D

Ans 15:

Class : Class 4

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