National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
as per me answer should be m

Ans 2:

Class : Class 6
maybe answer should be M why did they mark n

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 4
answer is B or C as from brick wall sound can't be heard also from vacuumsound can't be heard

Ans 3:

Class : Class 1

Ans 4:

Class : Class 4

Ans 5:

Class : Class 3
bjbhjhjkjkjlklklklklklkjkjklhioheeedededhhdhdhduehduehduehduehd

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
a

Ans 2:

Class : Class 5
It should be both A and C .

Ans 3:

Class : Class 6
Both A and C are correct

Ans 4:

Class : Class 5
answer is c

Ans 5:

Class : Class 5
From Athiya Mahapatra: Option)C As the beaker is covered in a black bag and Hydrilla being a plant cannot produce oxygen without sunlight. The water snail added to the concentration of oxygen by breathing out.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Option A is the correct answer because the picture of the given plant in the question is of a cotton plant of whose seed dispersal agency is wind. So, from the given options , as, Dandelion is the only one with same agency of seed dispersal, Option A is supposed to be the correct answer.

Ans 2:

Class : Class 5

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
Option A is the correct answer because the picture of the given plant in the question is of a cotton plant of whose seed dispersal agency is wind. So, from the given options , as, Dandelion is the only one with same agency of seed dispersal, Option A is supposed to be the correct answer.

Ans 5:

Class : Class 6
Option A is the correct answer because the picture of the given plant in the question is of a cotton plant of whose seed dispersal agency is wind. So, from the given options , as, Dandelion is the only one with same agency of seed dispersal, Option A is supposed to be the correct answer.

Ans 6:

Class : Class 5
Option A is the correct answer because the picture of the given plant in the question is of a cotton plant of whose seed dispersal agency is wind. So, from the given options , as, Dandelion is the only one with same agency of seed dispersal, Option A is supposed to be the correct answer.

Ans 7:

Class : Class 5
Option A is the correct answer because the picture of the given plant in the question is of a cotton plant of whose seed dispersal agency is wind. So, from the given options , as, Dandelion is the only one with same agency of seed dispersal, Option A is supposed to be the correct answer.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
the correct option is D

Ans 2:

Class : Class 4
C

Ans 3:

Class : Class 4
C

Ans 4:

Class : Class 4
answer is d

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
B

Ans 3:

Class : Class 4
B B B B B B

Ans 4:

Class : Class 4
The correct answer is B

Ans 5:

Class : Class 5
ans-b

Ans 6:

Class : Class 5
From Athiya Mahapatra : Option)b as the gravitational pull of the moon is one-sixth of that of that which is of the Earth.

Ans 7:

Class : Class 5
From Athiya Mahapatra : Option)b as the gravitational pull of the moon is one-sixth of that of that which is of the Earth.

Ans 8:

Class : Class 6
B

Ans 9:

Class : Class 5
From Athiya Mahapatra : Option)b as the gravitational pull of the moon is one-sixth of that of that which is of the Earth.

Ans 10:

Class : Class 4

Ans 11:

Class : Class 5
one sixth that is B

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Subject :NSO    Class : Class 6

Read the given statements and select the correct option.
Statement 1 : When a horseshoe magnet is brought close to a pile of iron filings, more filings will be attracted to the U-shaped part of the magnet.
Statement 2 : Horseshoe magnet has only one pole that is its U-shaped part.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


Ans 1:

Class : Class 6
the correct ans should be(D) as the U shaped means the center or mid part of the magnet . (C) cant be as a magnet will always have a north pole and a south pole navya not to be rude

Ans 2:

Class : Class 6
(C) will be the correct answer

Ans 3:

Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
b is correct as 72/3= 24 and 55 -24=31

Ans 2:

Class : Class 5

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