National Science Olympiad Forum By SOF Olympiad Trainer - Page 637

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 5
class:3the answer is D

Ans 2:

Class : Class 3
The option is D correct

Ans 3:

Class : Class 1
it is right Soumyajit

Ans 4:

Class : Class 9
d

Ans 5:

Class : Class 3
corrwct yeeeee!!

Ans 6:

Class : Class 7

Ans 7:

Class : Class 4
NOOOOOOOOOOO!!!!!!!!!!!!!!!!!!!!!!!! i DONT BElive

Ans 8:

Class : Class 3

Ans 9:

Class : Class 7
Pankaj, why are you telling no . It should option 'd'.

Ans 10:

Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
Option C is the correct answer because yeast causes fermentation .Fermentation is an anaerobic process. In this process yeast converts sugar into alcohol and carbon dioxide. Lime water turns milky indicating the presence of carbon dioxide.

Ans 2:

Class : Class 8
Then option A should also be correct as it talks about fermentation

Ans 3:

Class : Class 9
Option a is wrong because yeast does not convert sugar into lactic acid.

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
answer cant be A since during fermentation of sugar alcohol is produced and not lactic acid

Ans 6:

Class : Class 8
I think that option A and C should be correct. Since option A talks about fermentation occuring which could be true considering that yeast is put into warm sugar solution. Option C is also correct since we know that one of the end products of fermentation is CO2 and lime water turns milky white when it is combined with carbon-dioxide.

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
A

Ans 2:

Class : Class 9
A vector diagram is a diagram which shows both direction and magnitude....hope you found it helpful!

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
The answer should be (A) but, why have they said that (D) should be the answer .

Ans 2:

Class : Class 5
a

Ans 3:

Class : Class 7
Ans-d because if it is not scarce the house will flow away.

Ans 4:

Class : Class 7
My answer was D but it changed itself as C

Ans 5:

Class : Class 2

Ans 6:

Class : Class 3

Ans 7:

Class : Class 3
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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 10

Ans 2:

Class : Class 8
Yes A is correct

Ans 3:

Class : Class 8
It has to be A

Ans 4:

Class : Class 10
as static friction is always more than sliding friction and horse experiences static friction during its first steps.therefore option [A] is correct.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 10
why dont you tell it yourself

Ans 2:

Class : Class 10
why dont you tell it yourself

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 5

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6
The answer is C. You should Know It.

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7
Answer should be both a and c The solution they gave it is written a but the correct answer they wrote c

Ans 8:

Class : Class 7
Answer should be both a and c

Ans 9:

Class : Class 7
the correct answer should be a as the snow slides off easily due to its cone shaped structure

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 9
The correct answer is A because Bat is a mammal and gives birth to young ones while others lay eggs .

Ans 4:

Class : Class 5
correct answer is A

Ans 5: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 6:

Class : Class 7
Bats are mammals and so they give birth to young ones.If they were not mammals,they would not have hair on their body.So, based on what is written above by me, it is clear that I think that the correct answer is option 'A'.

Ans 7:

Class : Class 4
CORRECT ANS IS A AS BAT IS A MAMMAL AND MAMMALS GIVE BIRTH TO FULLY FORMED BABIES

Ans 8:

Class : Class 4

Ans 9:

Class : Class 9

Ans 10:

Class : Class 8
A is correct because bat gives birth to its babies while turtles, crocodiles and ducks lay eggs.....😊so my answer is ✅correct

Ans 11:

Class : Class 10

Ans 12:

Class : Class 7

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