National Science Olympiad Forum By SOF Olympiad Trainer - Page 516

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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 5
ANS A

Ans 4:

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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

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

Ans 3:

Class : Class 5

Ans 4:

Class : Class 6
there is no proper question?

Ans 5:

Class : Class 6

Ans 6:

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

Ans 7:

Class : Class 10
question is incomplete

Ans 8:

Class : Class 6

Ans 9:

Class : Class 6
this is not a question

Ans 10:

Class : Class 4
where is the questionnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 11:

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

Ans 12:

Class : Class 5
There is no question!

Ans 13:

Class : Class 5
report error

Ans 14:

Class : Class 7

Ans 15:

Class : Class 9
No relevant question

Ans 16:

Class : Class 5

Ans 17:

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

Ans 18:

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

Ans 19:

Class : Class 5
where the h

Ans 20:

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

Ans 21:

Class : Class 5
what.

Ans 22:

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

Ans 23:

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

Ans 24:

Class : Class 6
Where is the question!?

Ans 25:

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

Ans 26:

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

Ans 27:

Class : Class 6
no question.report error please

Ans 28:

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

Ans 29:

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

Ans 30:

Class : Class 9
question is incomplete

Ans 31:

Class : Class 4

Ans 32:

Class : Class 5
The question is incomplete

Ans 33:

Class : Class 2

Ans 34:

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

Ans 35:

Class : Class 7
they did not give the question .

Ans 36:

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

Ans 37:

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

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Subject :NSO    Class : Class 8

Ans 1:

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

Ans 2:

Class : Class 8

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 6
Thank You Mr.Rahul

Ans 7:

Class : Class 8
explain please....

Ans 8:

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

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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 7

Ans 2:

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 3:

Class : Class 8

Ans 4:

Class : Class 9
D is definitely the correct answer

Ans 5:

Class : Class 6

Ans 6:

Class : Class 6
D

Ans 7:

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 8:

Class : Class 3
D is the correct answer

Ans 9:

Class : Class 9
Answer is B

Ans 10:

Class : Class 6
pls explain how the answer is B

Ans 11:

Class : Class 6
the answer is D

Ans 12:

Class : Class 8
pls explain how the answer is B

Ans 13:

Class : Class 9

Ans 14:

Class : Class 7

Ans 15:

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 16:

Class : Class 10

Ans 17:

Class : Class 10
D is the correct answer.

Ans 18:

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

Ans 19:

Class : Class 7
according to me D is correct

Ans 20:

Class : Class 7

Ans 21:

Class : Class 7

Ans 22:

Class : Class 6

Ans 23:

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

Ans 24:

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

Ans 25:

Class : Class 5

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Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

Class : Class 10

Ans 3:

Class : Class 3
It is C only!!!

Ans 4:

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 5:

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

Ans 6:

Class : Class 7
Ans = C

Ans 7:

Class : Class 4
The answer is B

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

Class : Class 8

Ans 12:

Class : Class 6
Both statements are true

Ans 13:

Class : Class 7
thanks for the answer

Ans 14:

Class : Class 7
answer is B

Ans 15:

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

Ans 16:

Class : Class 8
I think the is option B

Ans 17:

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

Ans 18:

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

Ans 19:

Class : Class 7

Ans 20:

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

Ans 21:

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

Ans 22:

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

Ans 23:

Class : Class 8
The answer is B

Ans 24:

Class : Class 8

Ans 25:

Class : Class 6
Very good and tricky question

Ans 26:

Class : Class 8

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
ns is C

Ans 2:

Class : Class 7
p

Ans 3:

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

Ans 4:

Class : Class 7

Ans 5:

Class : Class 8
q

Ans 6:

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

Ans 7:

Class : Class 8
ans is c

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Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9

Ans 4:

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

Ans 5:

Class : Class 9

Ans 6:

Class : Class 7

Ans 7:

Class : Class 9
b is the answer

Ans 8:

Class : Class 8
c

Ans 9:

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

Ans 10:

Class : Class 8

Ans 11:

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

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
D

Ans 2:

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

Ans 3:

Class : Class 4
option D

Ans 4:

Class : Class 4
C is not correct

Ans 5:

Class : Class 10
correct ans in option D

Ans 6:

Class : Class 4
answer is D

Ans 7:

Class : Class 5
D

Ans 8:

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

Ans 9:

Class : Class 4
The answer is "C"

Ans 10:

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

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 4

Ans 13:

Class : Class 6
D

Ans 14:

Class : Class 5
D

Ans 15:

Class : Class 4
D

Ans 16:

Class : Class 5
D

Ans 17:

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

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