National Science Olympiad Forum By SOF Olympiad Trainer - Page 492

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 10
D is the correct answer.

Ans 3:

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 4:

Class : Class 10

Ans 5:

Class : Class 8

Ans 6:

Class : Class 7

Ans 7:

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 8:

Class : Class 7

Ans 9:

Class : Class 6

Ans 10:

Class : Class 6

Ans 11:

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 12:

Class : Class 7
according to me D is correct

Ans 13:

Class : Class 3
D is the correct answer

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

Class : Class 8
pls explain how the answer is B

Ans 18:

Class : Class 7

Ans 19:

Class : Class 6

Ans 20:

Class : Class 9
Answer is B

Ans 21:

Class : Class 9
D is definitely the correct answer

Ans 22:

Class : Class 6
the answer is D

Ans 23:

Class : Class 6
pls explain how the answer is B

Ans 24:

Class : Class 9

Ans 25:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

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

Ans 2:

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

Ans 3:

Class : Class 8
The answer is B

Ans 4:

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

Ans 5:

Class : Class 8

Ans 6:

Class : Class 8

Ans 7:

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

Ans 8:

Class : Class 6
Very good and tricky question

Ans 9:

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

Ans 10:

Class : Class 7
thanks for the answer

Ans 11:

Class : Class 4
The answer is B

Ans 12:

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

Ans 13:

Class : Class 6
Both statements are true

Ans 14:

Class : Class 7

Ans 15:

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

Ans 16:

Class : Class 3
It is C only!!!

Ans 17:

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

Ans 18:

Class : Class 10

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 8
I think the is option B

Ans 21:

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 22:

Class : Class 8

Ans 23:

Class : Class 7
answer is B

Ans 24:

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

Ans 25:

Class : Class 7
Ans = C

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

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 8
ans 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 8
q

Ans 6:

Class : Class 7
p

Ans 7:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 9

Ans 3:

Class : Class 9
b is the answer

Ans 4:

Class : Class 9

Ans 5:

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

Ans 6:

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

Ans 7:

Class : Class 9

Ans 8:

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

Ans 9:

Class : Class 8
c

Ans 10:

Class : Class 8

Ans 11:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

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

Ans 2:

Class : Class 4
D

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

Ans 6:

Class : Class 4
C is not correct

Ans 7:

Class : Class 4

Ans 8:

Class : Class 4
answer is D

Ans 9:

Class : Class 4
D

Ans 10:

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

Ans 11:

Class : Class 5
D

Ans 12:

Class : Class 10
correct ans in option D

Ans 13:

Class : Class 5
D

Ans 14:

Class : Class 4
option D

Ans 15:

Class : Class 6
D

Ans 16:

Class : Class 5
cxvcv3cvtvhFVChcwlejn ljenlf wfh bh b huebvfhdocjcjnnnncncfhvb bhcbhbdhcvdgb hdbf hfjn nj n jncnnhfohvhbvobuwr3hqaswedrfthnjmk,ljnbvcxxcfvbsdcfvgbxdcFVGBDCVBNMxcvbnmdfghjasdfgjkzawsxedcrvftghnjqzawsxdfvtghunzasxdcrfvgswderftgyhazwsdfg dfgsdfghjkljghgfbjcxnjxnjnnccjjcjdccujcdjfhnvfcduhcccccccfffffffffffffffffrrrrrrrrrrrffffffffffffffffwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwevvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv jfknwjf ejjjjjjjjncvfjnb fjnvfjvmifmccccccccccccccccccccccccccccccccccccccccffvweevwevwrtvtrwh fccccczsxxxxxxxxxxxxxhhhhhhhhdsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss z cf ffffffffffffffffffffffffffffffffffffffffffffffffffffffff nmmmmmmmnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Ans 17:

Class : Class 4
The answer is "C"

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
According to me they should have told the sun's position

Ans 2:

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 3:

Class : Class 8

Ans 4:

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

Ans 5:

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

Ans 6:

Class : Class 5

Ans 7:

Class : Class 8

Ans 8:

Class : Class 5

Ans 9:

Class : Class 7

Ans 10:

Class : Class 5
It is not a logical question

Ans 11:

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

Ans 12:

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

Ans 13:

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

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
A

Ans 4:

Class : Class 8
Very,very,very,very,very,very,very,very tricky

Ans 5:

Class : Class 4
C

Ans 6:

Class : Class 3
a

Ans 7:

Class : Class 4
But according to recent studies during photosynthesis plants take in carbondioxide and release oxygen due to which animals and humans are able to breathe oxygen . So , there i some error in the robotic system of SOF Olympiad Trainer . Even if you chose C but they show the correct answer is A you needn't worry as you can report the error using the button next to the one that opens this chat

Ans 8:

Class : Class 9
It was a little tricky .

Ans 9:

Class : Class 3
a a a

Ans 10:

Class : Class 3
a

Ans 11:

Class : Class 3
Yes,very tricky indeed.Everybody will write C but the answer will be A

Ans 12:

Class : Class 3
Why a

Ans 13:

Class : Class 3
C

Ans 14:

Class : Class 4

Ans 15:

Class : Class 7

Ans 16:

Class : Class 4
the answer is c but it glitched and told the answer is a

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7

Ans 2:

Class : Class 5
TRTHYJTUYHNBCFBGSEHFNDHBG RCFHVBGHYVDNUCSNGBCTDYHUJSBNDVGTHJHSMHNCGDBHEYFNHENDEVHGBTDFHUNGBGRYFHXNHGBNFVDHFJUHDVBVYCGFHDJDMSUHDRYFDJYUMHFJGDHJYUHRFGBHDNDXHFDFJCYRFHSDFTYRFHCYRFHJHCYDRHFJEHDSJYUHJSHJYFRHDYUHFJHJVDCUYXJRKHFMYVCBHXJFYUDJSJHCJDYFRUEYDHJYUSHJDYWESFHDYUSEUIYUJFDUREYJHDGJHJSMYHJEDJGFHNYDFHDGJHCJMXYMURJKUFYHJDXHUYDGVHCNHNJFKGVHCNUNCJHFJGVHNCHGJHFDVNHJHGJHDVJYJHGJFHVNJCJHJFDJKHJHFJVJHNJHMUHJGHFNVFJVHJNJMGFHVGFH

Ans 3:

Class : Class 9
c

Ans 4:

Class : Class 8
C

Ans 5:

Class : Class 8
c

Ans 6:

Class : Class 8

Ans 7:

Class : Class 5
c

Ans 8:

Class : Class 4
1.A rat chew its food.2.A squirrel chew its food also.3.A frog swallow its food.4.A rabbit chew its food.Therefore, answer is option C (frog) because it swallows its food.

Ans 9:

Class : Class 7
c

Ans 10:

Class : Class 4
why

Ans 11:

Class : Class 7
c

Ans 12:

Class : Class 3
C

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer