National Science Olympiad Forum By SOF Olympiad Trainer - Page 486

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Answer is C

Ans 2:

Class : Class 5
ANS A

Ans 3:

Class : Class 5
ans is B

Ans 4:

Class : Class 7
super easy answer. it is 'A'

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
There is no question!

Ans 2:

Class : Class 5
wrong question, incompleted question!!!!!!!!!!!!!????

Ans 3:

Class : Class 5
The question is incomplete

Ans 4:

Class : Class 6
there is no proper question?

Ans 5:

Class : Class 4
where is the questionnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 6:

Class : Class 9
What is the question?????????????????????????????????

Ans 7:

Class : Class 5
report error

Ans 8:

Class : Class 10
question is incomplete

Ans 9:

Class : Class 9
The question is there in the solution please check

Ans 10:

Class : Class 6
see the solution the question is how many kharif crops are there. there are 6.

Ans 11:

Class : Class 5
where the h

Ans 12:

Class : Class 6

Ans 13:

Class : Class 5
this is not a question

Ans 14:

Class : Class 5
what.

Ans 15:

Class : Class 3
no question!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 16:

Class : Class 6
Where is the question!?

Ans 17:

Class : Class 6

Ans 18:

Class : Class 5

Ans 19:

Class : Class 5
where is the question???????????????????????????

Ans 20:

Class : Class 5
where is the question ??????????????????

Ans 21:

Class : Class 6
If they don't give the complete question, we all will get it wrongSOF please look into this matter

Ans 22:

Class : Class 6
Where is the question? Isn't it very vague?

Ans 23:

Class : Class 5
WHERE IS THE QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!??????????????????????????????????????????????????????????????????????????????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!???????????????????????????

Ans 24:

Class : Class 2

Ans 25:

Class : Class 6
no question.report error please

Ans 26:

Class : Class 6

Ans 27:

Class : Class 6

Ans 28:

Class : Class 7
question????????????????

Ans 29:

Class : Class 5
The question is in the solution please check

Ans 30:

Class : Class 4
There is no question and when I reported that error, it just came as "invalid"

Ans 31:

Class : Class 4

Ans 32:

Class : Class 7
they did not give the question .

Ans 33:

Class : Class 9
No relevant question

Ans 34:

Class : Class 5

Ans 35:

Class : Class 7
There is no question. What are we supposed to answer. It is incomplete

Ans 36:

Class : Class 7
No question?????????????????????????????

Ans 37:

Class : Class 9
question is incomplete

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
but due to water refraction will also take place

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
explain please....

Ans 4:

Class : Class 8
Please explain how the deviation has happened at 180 degrees

Ans 5:

Class : Class 6
Thank You Mr.Rahul

Ans 6:

Class : Class 8
Why does the deviation happen to be 180 degrees

Ans 7:

Class : Class 10
But wont the refraction of light in water play a role?

Ans 8:

Class : Class 8
Key Idea: Phenomenon of reflection is independent of medium. The deviation produced by combination of two plane mirrors is δ=2π−2θ =2π−2×π2 (θ=90o) ⇒ δ=π=180o. Hence, total deviation in incident ray is180o

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 4
D

Ans 3:

Class : Class 6
Answer can be A

Ans 4:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6
How many times will olympiad confuse us its D

Ans 4:

Class : Class 10

Ans 5:

Class : Class 7

Ans 6:

Class : Class 6
Answer B is the correct answer as the question specified for the arrangement which will allow the bulb to stay lighted for the longest possible time. Option B is connected as One cell as per the circuit (all connections are in parallel), While Option D is in Series (in case of failure of one cell, the circuit will not work as the current will not pass through the cell)

Ans 7:

Class : Class 7

Ans 8:

Class : Class 9

Ans 9:

Class : Class 3
D is the correct answer

Ans 10:

Class : Class 6
pls explain how the answer is B

Ans 11:

Class : Class 6
D

Ans 12:

Class : Class 6

Ans 13:

Class : Class 7

Ans 14:

Class : Class 6
the answer is D

Ans 15:

Class : Class 9
Answer is B

Ans 16:

Class : Class 6
According to me D is the correct answer as a wire should be connected from a terminal of a battery to the - terminal of the battery for longer stay of electric circuit, and this rule is satisfied by the circuit shown in option D.

Ans 17:

Class : Class 7
according to me D is correct

Ans 18:

Class : Class 9
D is definitely the correct answer

Ans 19:

Class : Class 6
According to me D is the correct answer

Ans 20:

Class : Class 6

Ans 21:

Class : Class 6

Ans 22:

Class : Class 10
D is the correct answer.

Ans 23:

Class : Class 8
pls explain how the answer is B

Ans 24:

Class : Class 9
When a battery is constructed such that all the positive terminal of the cells are connected to a same point and all the negative terminals of the cells are connected to another point then the grouping of cells in this manner is called the Parallel Grouping of cells. The two end terminals of the construct where all the positive and negative terminals of the cells are connected act as the corresponding terminal of the battery.

Ans 25:

Class : Class 6
pls explain how the answer is bBTW: your answer is correct

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 3
It is C only!!!

Ans 2:

Class : Class 7
thanks for the answer

Ans 3:

Class : Class 7
The answer would be C. If you read the question carefully, it says, "Weaving is done by interlacing two sets of FIBRES at right angles." There are two things wrong with this: 1) They need not be interlaced at right angles. 2) The question clearly says 'fibres', not 'yarns' as it should be. Therefore, the answer is C.

Ans 4:

Class : Class 6
Both statements are true

Ans 5:

Class : Class 4
It is C!!!!! Be careful!!!!!!!!!

Ans 6:

Class : Class 8
I think the is option B

Ans 7:

Class : Class 6
Answer is C. ttraj's point is true.

Ans 8:

Class : Class 8
The answer is B

Ans 9:

Class : Class 6
the correct answer is c as it is given weaving fibres not weaving yarn.read the question carefully.

Ans 10:

Class : Class 8

Ans 11:

Class : Class 7
Ans = C

Ans 12:

Class : Class 7

Ans 13:

Class : Class 1
there is an error. the answer is C

Ans 14:

Class : Class 4
The answer is B

Ans 15:

Class : Class 7
answer is B

Ans 16:

Class : Class 8

Ans 17:

Class : Class 7
the answer is C because YARNS are woven not FIBRES

Ans 18:

Class : Class 6
Very good and tricky question

Ans 19:

Class : Class 8
it is cccccccccccccccccccccc!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 20:

Class : Class 8

Ans 21:

Class : Class 7
I agree with A Ramakrishna's point

Ans 22:

Class : Class 10

Ans 23:

Class : Class 5
its an error as weaving is done as sam eas decribed in statement 2 i think answer should be ...............BBBBB......................

Ans 24:

Class : Class 3
Answer is C. As you can't weave fibres.read the question properly!!!!!!!!!!!!!!!

Ans 25:

Class : Class 7
There seems to be an error in this. We feel that it is B

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
p

Ans 2:

Class : Class 8
ans is c

Ans 3:

Class : Class 8
ns is C

Ans 4:

Class : Class 7

Ans 5:

Class : Class 8
q

Ans 6:

Class : Class 7
Bubble pack is a good insulator than a cotton wool.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9
Yes it is CQ is female gamete and it does transform into endosperm

Ans 4:

Class : Class 9

Ans 5:

Class : Class 8
c

Ans 6:

Class : Class 7

Ans 7:

Class : Class 9

Ans 8:

Class : Class 9
b is the answer

Ans 9:

Class : Class 10
why not statement V is correct ?SOF pls explain

Ans 10:

Class : Class 8
C is correct, the statement (i) is vague

Ans 11:

Class : Class 8
it should be C ,since C is the ovule

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 4
C is not correct

Ans 3:

Class : Class 4
c ant be correct cause Venus is not made up of frozen gases

Ans 4:

Class : Class 5
D

Ans 5:

Class : Class 5
D

Ans 6:

Class : Class 4
Because Venus is the only planet to rotate clockwise, not Uranus

Ans 7:

Class : Class 5
D

Ans 8:

Class : Class 5
Option C is also correct. So students selecting Option C should be awarded 2 marks.

Ans 9:

Class : Class 10
correct ans in option D

Ans 10:

Class : Class 4
The answer is "C"

Ans 11:

Class : Class 9
HOW🌗🌔🌏🌺🌏🐎🐚🦃🎃🐓🌍🌸🌍🐓🌼🍄🐁🌼🐐😳😳😳😳😳😳😳😳😳😳😳😳😳😳

Ans 12:

Class : Class 4
D

Ans 13:

Class : Class 4
D

Ans 14:

Class : Class 4
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Ans 15:

Class : Class 4
option D

Ans 16:

Class : Class 4

Ans 17:

Class : Class 4
answer is D

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