National Science Olympiad Forum By SOF Olympiad Trainer - Page 702

User Forum

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.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1: (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 2:

Class : Class 8
6

Ans 3:

Class : Class 9

Ans 4:

Class : Class 4

Ans 5:

Class : Class 7
VOILA

Ans 6:

Class : Class 10

Ans 7:

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

Ans 8:

Class : Class 6

Ans 9:

Class : Class 7

Ans 10:

Class : Class 9
a

Ans 11:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 8
I read correct be sorry

Ans 3:

Class : Class 6
d

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 5
The answer is D

Ans 7:

Class : Class 1
It is C

Ans 8:

Class : Class 4
C

Post Your Answer

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.

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
hinge joint

Post Your Answer

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

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
Answer is D.

Ans 2:

Class : Class 3
you can get confused very very easily

Post Your Answer

Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

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.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 3:

Class : Class 4
D is the right answer.

Ans 4:

Class : Class 7
Please give answer

Ans 5:

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

Ans 6:

Class : Class 3
Tricky question🧐🤨🤔

Ans 7:

Class : Class 5
how is it possible

Ans 8:

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.

Ans 9:

Class : Class 4
D is the correct answer

Ans 10:

Class : Class 6
Yes👍 of ans2

Ans 11:

Class : Class 8
The correct answer is D

Ans 12:

Class : Class 4

Ans 13:

Class : Class 7

Ans 14:

Class : Class 4
D is the correct answer

Ans 15:

Class : Class 6

Post Your Answer