National Science Olympiad Forum By SOF Olympiad Trainer - Page 503

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Answer is C

Ans 2:

Class : Class 5
ans is B

Ans 3:

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

Ans 4:

Class : Class 5
ANS A

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

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

Ans 3:

Class : Class 6

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 9
question is incomplete

Ans 7:

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

Ans 8:

Class : Class 4

Ans 9:

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

Ans 10:

Class : Class 7
they did not give the question .

Ans 11:

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

Ans 12:

Class : Class 6
Where is the question!?

Ans 13:

Class : Class 9
No relevant question

Ans 14:

Class : Class 6

Ans 15:

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

Ans 16:

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

Ans 17:

Class : Class 5

Ans 18:

Class : Class 6
there is no proper question?

Ans 19:

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

Ans 20:

Class : Class 7

Ans 21:

Class : Class 5
what.

Ans 22:

Class : Class 5
report error

Ans 23:

Class : Class 6
this is not a question

Ans 24:

Class : Class 5
where the h

Ans 25:

Class : Class 10
question is incomplete

Ans 26:

Class : Class 5
There is no question!

Ans 27:

Class : Class 4
where is the questionnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 28:

Class : Class 6

Ans 29:

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

Ans 30:

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

Ans 31:

Class : Class 6
no question.report error please

Ans 32:

Class : Class 2

Ans 33:

Class : Class 5
The question is incomplete

Ans 34:

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

Ans 35:

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

Ans 36:

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

Ans 37:

Class : Class 5

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Subject :NSO    Class : Class 8

Ans 1:

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

Ans 2:

Class : Class 8
explain please....

Ans 3:

Class : Class 8

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 6
Thank You Mr.Rahul

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 4
D

Ans 2:

Class : Class 6
Answer can be A

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
D

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Subject :NSO    Class : Class 6

Ans 1:

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 2:

Class : Class 6

Ans 3:

Class : Class 8
pls explain how the answer is B

Ans 4:

Class : Class 6

Ans 5:

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

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 3
D is the correct answer

Ans 8:

Class : Class 7

Ans 9:

Class : Class 9
D is definitely the correct answer

Ans 10:

Class : Class 6
D

Ans 11:

Class : Class 7
How many times will olympiad confuse us its D

Ans 12:

Class : Class 6
pls explain how the answer is B

Ans 13:

Class : Class 6
the answer is D

Ans 14:

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 15:

Class : Class 9
Answer is B

Ans 16:

Class : Class 7
according to me D is correct

Ans 17:

Class : Class 7

Ans 18:

Class : Class 7

Ans 19:

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

Ans 20:

Class : Class 10

Ans 21:

Class : Class 6

Ans 22:

Class : Class 9

Ans 23:

Class : Class 7

Ans 24:

Class : Class 10
D is the correct answer.

Ans 25:

Class : Class 8

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 3
It is C only!!!

Ans 2:

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

Ans 3:

Class : Class 8

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 6
Both statements are true

Ans 7:

Class : Class 8
The answer is B

Ans 8:

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

Ans 9:

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

Ans 10:

Class : Class 7
answer is B

Ans 11:

Class : Class 8

Ans 12:

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

Ans 13:

Class : Class 4
The answer is B

Ans 14:

Class : Class 7
Ans = C

Ans 15:

Class : Class 8

Ans 16:

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

Ans 17:

Class : Class 8
I think the is option B

Ans 18:

Class : Class 6
it is C, YARNS are woven not FIBRES.

Ans 19:

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

Ans 20:

Class : Class 7

Ans 21:

Class : Class 6
Very good and tricky question

Ans 22:

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

Ans 23:

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 24:

Class : Class 7
thanks for the answer

Ans 25:

Class : Class 10

Ans 26:

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

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 8
ans is c

Ans 3:

Class : Class 7
i clicked the correct option but it showed wrong.. this system is completely stupid.. 0 stars out of 5

Ans 4:

Class : Class 7

Ans 5:

Class : Class 7
p

Ans 6:

Class : Class 8
ns is C

Ans 7:

Class : Class 8
q

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9
b is the answer

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 8
c

Ans 6:

Class : Class 7

Ans 7:

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

Ans 8:

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

Ans 9:

Class : Class 9

Ans 10:

Class : Class 8

Ans 11:

Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
D

Ans 2:

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

Ans 3:

Class : Class 4
D

Ans 4:

Class : Class 4

Ans 5:

Class : Class 5
D

Ans 6:

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

Ans 7:

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

Ans 8:

Class : Class 4
answer is D

Ans 9:

Class : Class 6
D

Ans 10:

Class : Class 4
D

Ans 11:

Class : Class 10
cxvcv3cvtvhFVChcwlejn ljenlf wfh bh b huebvfhdocjcjnnnncncfhvb bhcbhbdhcvdgb hdbf hfjn nj n jncnnhfohvhbvobuwr3hqaswedrfthnjmk,ljnbvcxxcfvbsdcfvgbxdcFVGBDCVBNMxcvbnmdfghjasdfgjkzawsxedcrvftghnjqzawsxdfvtghunzasxdcrfvgswderftgyhazwsdfg dfgsdfghjkljghgfbjcxnjxnjnnccjjcjdccujcdjfhnvfcduhcccccccfffffffffffffffffrrrrrrrrrrrffffffffffffffffwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwevvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv jfknwjf ejjjjjjjjncvfjnb fjnvfjvmifmccccccccccccccccccccccccccccccccccccccccffvweevwevwrtvtrwh fccccczsxxxxxxxxxxxxxhhhhhhhhdsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss z cf ffffffffffffffffffffffffffffffffffffffffffffffffffffffff nmmmmmmmnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 12:

Class : Class 10
HOW🌗🌔🌏🌺🌏🐎🐚🦃🎃🐓🌍🌸🌍🐓🌼🍄🐁🌼🐐😳😳😳😳😳😳😳😳😳😳😳😳😳😳

Ans 13:

Class : Class 4
The answer is "C"

Ans 14:

Class : Class 10
correct ans in option D

Ans 15:

Class : Class 4
C is not correct

Ans 16:

Class : Class 5
D

Ans 17:

Class : Class 4
option D

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