National Science Olympiad Forum By SOF Olympiad Trainer - Page 706

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9
The byproduct of electric bulb is heat but the effect of heat in bulb is not something because of which the bulb glows.

Ans 2:

Class : Class 9
what is in option D

Ans 3:

Class : Class 10

Ans 4:

Class : Class 7
D

Ans 5:

Class : Class 10
what is option D

Ans 6:

Class : Class 6
What is option D

Ans 7:

Class : Class 7
answer is d but what is it??

Ans 8:

Class : Class 7
can u tell me what is the object in the option d

Ans 9:

Class : Class 8
The correct answer is d) because everything else works on heating but what is the object in option d)

Ans 10:

Class : Class 10
I think it is a heater or a truck or car battery. It must be either of these two. Heater works on heating effect of electricity but battery does

Ans 11:

Class : Class 7
it is a battery

Ans 12:

Class : Class 10
how

Ans 13:

Class : Class 7
Is option d a cell ??

Ans 14:

Class : Class 7
how is it B someone explainthank you

Ans 15:

Class : Class 10

Ans 16:

Class : Class 10
how

Ans 17:

Class : Class 10
Hey, who has more incorrect than correct.I hope nobody

Ans 18:

Class : Class 6

Ans 19:

Class : Class 8
option (D) says 'S' , i think it can be correct too

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 8
d is the answer

Ans 2:

Class : Class 1
the d

Ans 3:

Class : Class 1

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
How

Ans 2:

Class : Class 3
It should be 10

Ans 3:

Class : Class 5

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5

Ans 6:

Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
correct answer is (B)

Ans 2:

Class : Class 4
answer is B

Ans 3:

Class : Class 9
the correct answer is b.

Ans 4:

Class : Class 8
Baaaaaaaaaaaaaaaaad Ans is b

Ans 5:

Class : Class 6
The correct answer is B.I think SOF people aren't solving these themselves before asking this in the test. how can route A is possible. It is wrong .

Ans 6:

Class : Class 3
ANS IS B

Ans 7:

Class : Class 7

Ans 8:

Class : Class 3
shrinika kps nava raipurQ 10 answer is a not b

Ans 9:

Class : Class 4
NO it is d

Ans 10:

Class : Class 9
The correct answer is D .

Ans 11:

Class : Class 2
A

Ans 12:

Class : Class 6
Correct answer is B

Ans 13:

Class : Class 4
I think it is B ,because after right turn there is a straight route

Ans 14:

Class : Class 9
The correct answer is A.

Ans 15:

Class : Class 3
i think it is a good and difficult question

Ans 16:

Class : Class 5
i like this question

Ans 17:

Class : Class 7
The correct ans. is 'b'... looks like these sof people aren't solving these themselves before asking these in the test. What is their reason for this choice¿

Ans 18:

Class : Class 3
The correct answer is D.

Ans 19:

Class : Class 10
i think a is correct

Ans 20:

Class : Class 7
correct answer is B because in A there a to left turns so she can collide into house

Ans 21:

Class : Class 5
the correct answer is b.

Ans 22:

Class : Class 7
Good question

Ans 23:

Class : Class 4
Correct is D

Ans 24:

Class : Class 7
Very good Question . Ans-D

Ans 25:

Class : Class 2
Why B?

Ans 26:

Class : Class 7
Gooooooooooooooooood

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 1

Ans 2:

Class : Class 1
the answer is croect

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Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 2:

Class : Class 9
correct answer B

Ans 3:

Class : Class 8
Solution shared seems to be incorrect in this case or given in reverse order

Ans 4:

Class : Class 5

Ans 5:

Class : Class 9

Ans 6:

Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 7:

Class : Class 9

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 6
I mean D

Ans 2:

Class : Class 7
Kindly Explain your answer Admin.

Ans 3:

Class : Class 5

Ans 4:

Class : Class 8

Ans 5: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 6:

Class : Class 7

Ans 7:

Class : Class 8

Ans 8:

Class : Class 7
Answer is B as neutral solutions cannot be identified

Ans 9:

Class : Class 7
3 and 2 shud be interchanged

Ans 10:

Class : Class 8

Ans 11:

Class : Class 7

Ans 12:

Class : Class 7
Actually venn diagram shows the propertied of the substances, not the substances themselves. So, it should be D. Admin is right.

Ans 13:

Class : Class 7
3 and 2 should be interchanged

Ans 14:

Class : Class 6
3 cannot be the answer

Ans 15:

Class : Class 9
3 and 2 should be interchanged.

Ans 16:

Class : Class 8
Venn diagram shows proportion of acid and base to be equal for 3 i.e. salt then how can you say china rose indicator will turn green i.e. salt is basic in nature, i.e. 3rd part of option D which is correct as per admin. Please clarify..

Ans 17:

Class : Class 10
3 and 2 should be interchanged, Sir

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 1
The answer is option B as the monkey's child is called an infant.

Ans 2:

Class : Class 1
the answer is wrong

Ans 3:

Class : Class 7
A

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
I also agree on Saara's answer and explanation

Ans 3:

Class : Class 6
C. This is because when we need to breathe in the ribcage moves up and outwards and diaphragm moves down. This movement increases the pressure outside as compared to inside and air rushes in. During exhalation the ribcage moves down and the diaphragm moves upwards. This increases the pressure inside the body as compared to the lower pressure outside and the air is pumped out of the body. THE ASWER IS TECNICALLY (C) BUT THE QUESTION IS WRONG. IN THE NSO WORKBOOK THE QUESTION IS ASKED FOR THE MOVEMENT OF RIBCAGE AND DIAPRAGM WHEN WE BREATHE IN AIR. THIS IS A TECHINAL ERROR IN SOFOLYMPIAD TRAINER.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
Both tornadoes and thunderstorms are developed in hot and humid areas

Ans 2: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 3:

Class : Class 4
Why not Tornaedoes?

Ans 4:

Class : Class 3
If the answer is thunderstorm, then how are tornadoes made?

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