National Science Olympiad Forum By SOF Olympiad Trainer - Page 553

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
The answer which is given in the SOF application is wrong, because a frog has four life stages in his life stages, the correct answer must be moth because it has only three life stages in his life cycle and the parent and child do not look same,

Ans 2:

Class : Class 8
The correct answer is C

Ans 3:

Class : Class 9

Ans 4:

Class : Class 5

Ans 5:

Class : Class 4
correct answer is D

Ans 6:

Class : Class 9

Ans 7:

Class : Class 4
It is option B

Ans 8:

Class : Class 5
THE ANSWER IS D AS FROG HAS 4 STAGES IN IT'S LIFE CYCLE ,BUT DOES NOT LOOK LIKE IT'S PARENT.WHILE,MOSQUITO HAS THREE SYTAGES IN IT'S LIFE CYCLE AND DOES NOT LOOK LIKE IT'S PARENT.I MADE THE SAME MISTAKE IN THE PREVIOUS TEST

Ans 9:

Class : Class 4

Ans 10:

Class : Class 5

Ans 11:

Class : Class 5
the answer is d as the mosquito does not look like the parent , has 3 stages of life and lays eggs while frog does not look like the adult , has 4 stages of life and lays eggs .

Ans 12:

Class : Class 5
but frog dosnt have just 3 life stages it has 4 so its not the answer

Ans 13:

Class : Class 4
Frog has 4 stages any of the answers are not correct

Ans 14:

Class : Class 9
the answer is d

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Subject :NSO    Class : Class 5

Ans 1:

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

Ans 2:

Class : Class 5
ans is B

Ans 3:

Class :
ANS A

Ans 4:

Class :
Answer is C

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
they did not give the question .

Ans 2:

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

Ans 3:

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

Ans 4:

Class : Class 10
question is incomplete

Ans 5:

Class : Class 5
what.

Ans 6:

Class : Class 6
Where is the question!?

Ans 7:

Class : Class 5
There is no question!

Ans 8:

Class : Class 4
where is the questionnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

Class : Class 6

Ans 13:

Class : Class 5

Ans 14:

Class : Class 9
question is incomplete

Ans 15:

Class : Class 6

Ans 16:

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

Ans 17:

Class : Class 6

Ans 18:

Class : Class 6
no question.report error please

Ans 19:

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

Ans 20:

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

Ans 21:

Class : Class 8
WHERE IS THE QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!??????????????????????????????????????????????????????????????????????????????????!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!???????????????????????????

Ans 22:

Class : Class 5
The question is incomplete

Ans 23:

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

Ans 24:

Class : Class 5
report error

Ans 25:

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

Ans 26:

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

Ans 27:

Class : Class 6
this is not a question

Ans 28:

Class : Class 9
No relevant question

Ans 29:

Class : Class 5

Ans 30:

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

Ans 31:

Class : Class 5
where the h

Ans 32:

Class : Class 7

Ans 33:

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

Ans 34:

Class : Class 6
there is no proper question?

Ans 35:

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

Ans 36:

Class : Class 2

Ans 37:

Class : Class 4

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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 6
Thank You Mr.Rahul

Ans 3:

Class :
Why does the deviation happen to be 180 degrees

Ans 4:

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

Ans 5:

Class : Class 8

Ans 6:

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

Ans 7:

Class :
explain please....

Ans 8:

Class :
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 :
D

Ans 2:

Class : Class 4
D

Ans 3:

Class :
Answer can be A

Ans 4:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class :
pls explain how the answer is B

Ans 2:

Class : Class 10
D is the correct answer.

Ans 3:

Class : Class 10

Ans 4:

Class : Class 9
D is definitely the correct answer

Ans 5:

Class : Class 8
How many times will olympiad confuse us its D

Ans 6:

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

Ans 7:

Class : Class 3
D is the correct answer

Ans 8:

Class :
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 9:

Class : Class 7

Ans 10:

Class : Class 6

Ans 11:

Class : Class 7

Ans 12:

Class : Class 6

Ans 13:

Class : Class 6
the answer is D

Ans 14:

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

Ans 15:

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 16:

Class : Class 9

Ans 17:

Class : Class 9
Answer is B

Ans 18:

Class : Class 7

Ans 19:

Class : Class 5

Ans 20:

Class :
D

Ans 21:

Class : Class 8
pls explain how the answer is B

Ans 22:

Class : Class 8

Ans 23:

Class : Class 7
according to me D is correct

Ans 24:

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 25:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Ans = C

Ans 2:

Class : Class 7
thanks for the answer

Ans 3:

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

Ans 4:

Class : Class 6
Very good and tricky question

Ans 5:

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

Ans 6:

Class :
The answer is B

Ans 7:

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

Ans 8:

Class : Class 7

Ans 9:

Class :
Both statements are true

Ans 10:

Class : Class 8

Ans 11:

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 12:

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

Ans 13:

Class : Class 10

Ans 14:

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

Ans 15:

Class : Class 8

Ans 16:

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

Ans 17:

Class :
answer is B

Ans 18:

Class : Class 8
I think the is option B

Ans 19:

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

Ans 20:

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

Ans 21:

Class : Class 8
The answer is B

Ans 22:

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

Ans 23:

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

Ans 24:

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

Ans 25:

Class : Class 8

Ans 26:

Class : Class 3
It is C only!!!

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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
Bubble pack is a good insulator than a cotton wool.

Ans 3:

Class : Class 7
p

Ans 4:

Class : Class 8
ans is c

Ans 5:

Class : Class 7

Ans 6:

Class : Class 8
q

Ans 7:

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

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8

Ans 4:

Class : Class 9
b is the answer

Ans 5:

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

Ans 6:

Class : Class 8
c

Ans 7:

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

Ans 8:

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

Ans 9:

Class : Class 7

Ans 10:

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

Ans 11:

Class : Class 9

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