National Science Olympiad Forum By SOF Olympiad Trainer - Page 545

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 2

Ans 2:

Class : Class 5

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 9
No relevant question

Ans 7:

Class : Class 6
there is no proper question?

Ans 8:

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

Ans 9:

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

Ans 10:

Class : Class 5
There is no question!

Ans 11:

Class : Class 6
Where is the question!?

Ans 12:

Class : Class 6

Ans 13:

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

Ans 14:

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

Ans 15:

Class : Class 6

Ans 16:

Class : Class 6

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

Class : Class 10
question is incomplete

Ans 21:

Class : Class 5
what.

Ans 22:

Class : Class 6
this is not a question

Ans 23:

Class : Class 5
where the h

Ans 24:

Class : Class 9
question is incomplete

Ans 25:

Class : Class 4

Ans 26:

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

Ans 27:

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

Ans 28:

Class : Class 5
The question is incomplete

Ans 29:

Class : Class 6
no question.report error please

Ans 30:

Class : Class 5

Ans 31:

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

Ans 32:

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

Ans 33:

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

Ans 34:

Class : Class 5
report error

Ans 35:

Class : Class 7
they did not give the question .

Ans 36:

Class : Class 4
where is the questionnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 37:

Class : Class 7

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 6
Thank You Mr.Rahul

Ans 2:

Class : Class 8

Ans 3:

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 4:

Class : Class 8
explain please....

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 6
Answer can be A

Ans 3:

Class : Class 4
D

Ans 4:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 10
D is the correct answer.

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7

Ans 4:

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

Ans 5:

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 6:

Class : Class 6

Ans 7:

Class : Class 9
Answer is B

Ans 8:

Class : Class 7

Ans 9:

Class : Class 3
D is the correct answer

Ans 10:

Class : Class 6

Ans 11:

Class : Class 6
pls explain how the answer is B

Ans 12:

Class : Class 5

Ans 13:

Class : Class 8
pls explain how the answer is B

Ans 14:

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 15:

Class : Class 9
D is definitely the correct answer

Ans 16:

Class : Class 7
according to me D is correct

Ans 17:

Class : Class 7

Ans 18:

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 19:

Class : Class 10

Ans 20:

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

Ans 21:

Class : Class 6
the answer is D

Ans 22:

Class : Class 6
D

Ans 23:

Class : Class 7

Ans 24:

Class : Class 9

Ans 25:

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

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
The answer is B

Ans 2:

Class : Class 8

Ans 3:

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

Ans 4:

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

Ans 5:

Class : Class 6
Very good and tricky question

Ans 6:

Class : Class 7
answer is B

Ans 7:

Class : Class 8

Ans 8:

Class : Class 10

Ans 9:

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

Ans 10:

Class : Class 8

Ans 11:

Class : Class 8
I think the is option B

Ans 12:

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

Ans 13:

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

Ans 14:

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 15:

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

Ans 16:

Class : Class 4
The answer is B

Ans 17:

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

Ans 18:

Class : Class 7
Ans = C

Ans 19:

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

Ans 20:

Class : Class 6
Both statements are true

Ans 21:

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

Ans 22:

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

Ans 23:

Class : Class 7

Ans 24:

Class : Class 3
It is C only!!!

Ans 25:

Class : Class 7
thanks for the answer

Ans 26:

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

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
ans is c

Ans 2:

Class : Class 7

Ans 3:

Class : Class 8
ns is C

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 7
p

Ans 7:

Class : Class 8
q

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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 8
c

Ans 3:

Class : Class 9

Ans 4:

Class : Class 9

Ans 5:

Class : Class 8

Ans 6:

Class : Class 9

Ans 7:

Class : Class 9
b is the answer

Ans 8:

Class : Class 7

Ans 9:

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

Ans 10:

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

Ans 11:

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

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Subject :NSO    Class : Class 4

Ans 1:

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 2:

Class : Class 4
answer is D

Ans 3:

Class : Class 5
C is not correct

Ans 4:

Class : Class 5
D

Ans 5:

Class : Class 5
D

Ans 6:

Class : Class 5
D

Ans 7:

Class : Class 5
D

Ans 8:

Class : Class 4
D

Ans 9:

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

Ans 10:

Class : Class 5
c ant be correct cause Venus is not made up of frozen gases

Ans 11:

Class : Class 6
D

Ans 12:

Class : Class 5
The answer is "C"

Ans 13:

Class : Class 5
Because Venus is the only planet to rotate clockwise, not Uranus

Ans 14:

Class : Class 5

Ans 15:

Class : Class 4
option D

Ans 16:

Class : Class 10
correct ans in option D

Ans 17:

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

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
It is not a logical question

Ans 2:

Class : Class 5
b and c is like same or i am wrong

Ans 3:

Class : Class 6
b or c should be the correct answer when they say it as wrong it is not fair

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5

Ans 6:

Class : Class 8

Ans 7:

Class : Class 9
b or c will depend on Sun's position which is not mentioned

Ans 8:

Class : Class 5

Ans 9:

Class : Class 7
B or C is the answer to this question

Ans 10:

Class : Class 5
This is a logical question as it is asking which phase comes in the waning phase, so the answer given is correct

Ans 11:

Class : Class 8

Ans 12:

Class : Class 5
They should mention the sun's position in respect to the moon.

Ans 13:

Class : Class 7
According to me they should have told the sun's position

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