National Science Olympiad Forum By SOF Olympiad Trainer - Page 608

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
C

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 4
the answer is wrong it is D

Ans 2:

Class : Class 9
its wrong

Ans 3:

Class : Class 2
Think the answer is wrong.

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Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Class : Class 1
Because of the difference in the number of electrons on both ends of it.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
scratching birds have 3 toes in front and 1 toe in back so "A" and "C" both has 3 toes in front and 1 toe in back so it could be any of them.

Ans 2:

Class : Class 5
Answer is A.

Ans 3:

Class : Class 7

Ans 4:

Class : Class 8
Obviously The Answer: A..........

Ans 5:

Class : Class 8
C is talon A is the foot of a hen

Ans 6:

Class : Class 8
answer is a

Ans 7:

Class : Class 4
A is the answer

Ans 8:

Class : Class 8
c

Ans 9:

Class : Class 5
answer is A

Ans 10:

Class : Class 4
Why not A? It's obviously A.

Ans 11:

Class : Class 7
answer is (B) because the claws should be curved like roots of plants and (B) has claws like a root so (B) is the answer

Ans 12:

Class : Class 6

Ans 13:

Class : Class 8
Answer is A

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
Even lizards/chameleon are known to exhibit camouflage

Ans 2:

Class : Class 7
Option D 's picture is not clear whether it is a lizard/chameleon

Ans 3:

Class : Class 8
Actually, the answer is B because it looks like a stick and its a very good way of camouflaging.

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Subject :NSO    Class : Class 4

Ravi set up an experiment as shown in the given diagram. The diagram shows five identical balls being suspended on a rod by strings of different lengths. Ravi then cut all five strings at the same time and the balls were allowed to fall freely to the ground. Which of these statements holds true for this experiment?


A Ball b had the greatest impact on the ground.
B Ball a had more potential energy than ball b at the start.
C Ball d had the highest potential energy at the start.
D Ball a and e had different amounts of potential energy at the start due to their different positions along the rod.


Ans 1:

Class : Class 8
The answer is A

Ans 2:

Class : Class 5
Same as ASHMI

Ans 3:

Class : Class 4

Ans 4:

Class : Class 5
Answer is A.

Ans 5:

Class : Class 4

Ans 6:

Class : Class 6
Ans is a you were correct Ashwak and Areen

Ans 7:

Class : Class 2

Ans 8:

Class : Class 9
I don't understand is the answer A or C

Ans 9:

Class : Class 4
THE BALL AT THE HIGHEST POINT HAS HIGHEST POTENTIAL ENERGY

Ans 10:

Class : Class 7
I was thinking A or C please explain

Ans 11:

Class : Class 4

Ans 12:

Class : Class 7
Question's confusing I didn't get A's explanation please help

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
PEOPLE PLEASE TELL ME THE ANSWER AS I NEED TO KNOW URGENTLY 'CAUSE I DIDN'T UNDERSTAND. PLEASE TELL ME THX RITISHA

Ans 3:

Class : Class 9
Can anyone please explain it in a clear and modified way? It's confusing!........so please

Ans 4:

Class : Class 8
the answer would be c.

Ans 5:

Class : Class 8

Ans 6:

Class : Class 6
I also cannot understand this.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5
But if its been boiling for 15 minutes after it has reached its boiling point, it can't be 100 degrees

Ans 6:

Class : Class 6
Once pure water is heated beyond boiling point, it starts to convert into water vapour and evaporate. If 100 ml of pure water is boiled for 15 minutes after it reached boiling point, some amount of water will evaporate, and the level of water in the container will go down. The temperature of water will remain the same. Option B shows water at 100°C and its volume as 65 ml. So, Option B is the right answer.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
ANS = B

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