National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8
It is plant P because if we compare 5 1/2cm with other measures, it will be the largest.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 4
what is pollination

Ans 3: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 4:

Class : Class 4

Ans 5:

Class : Class 4
A

Ans 6:

Class : Class 5
I go with Jasnoor's option. A

Ans 7:

Class : Class 4
My Answer is DPollination is when pollen of a plant travels from one plant to another by something (i.e.Insect and water). Pollens are used to grow seeds in the plant

Ans 8:

Class : Class 5

Ans 9:

Class : Class 1
D.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
DB

Ans 2:

Class : Class 7
but the ques is wrong........if a is sitting between g and c, how is c second to the right of a ???????

Ans 3: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 10
D as it is mentioned that the particle is travelling at a constant speed

Ans 2:

Class : Class 7
option c is correct

Ans 3:

Class : Class 8
not c i think

Ans 4:

Class : Class 7
Both 'C' and 'D' are correct

Ans 5:

Class : Class 7
option c is correct as acceleration means change of speed

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
The correct is C

Ans 2: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 3:

Class : Class 8
I am not able to understand it

Ans 4:

Class : Class 7
Here the properties of lines and angles will be applied.Then the laws of reflection

Ans 5:

Class : Class 8
I actually don't get the logic behind it

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 4
yes according to me also the answer is c but in nso practice papers it is written as d

Ans 2:

Class : Class 9
yes ans c

Ans 3:

Class : Class 7
0hi hi hih h hi hi hi hii

Ans 4:

Class : Class 7
The correct answer is D.

Ans 5:

Class : Class 8

Ans 6:

Class : Class 7
Ans c

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
D is correct

Ans 2:

Class : Class 4
yes you are right

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
the answer is d

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
C

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Subject :NSO    Class : Class 7

Which of the following statements are correct?
I. The tangy taste of cola drinks is due to carbonic acid which is an organic acid.
II. Inorganic acids are prepared artificially in the industries and are extremely corrosive.
III. Hydrochloric acid reacts with metals to varying degrees therefore, it is stored in glass bottles.
IV. Organic acids are weak acids and are used as food supplements.

A I, II and III only
B I and IV only
C II and IV only
D All of these


Why is carbonic acid inorganic even though all organic acids have carbon in their formulae and H2CO3 is the formula of carbonic acid?

Ans 1:

Class : Class 8
Hcl reacts with metals also

Ans 2:

Class : Class 7
Q is wrong since option 1 is false, rest all are true

Ans 3:

Class : Class 5
You all are correct

Ans 4:

Class : Class 7
Hcl doesen't react with metals......Sulphuric acid does

Ans 5:

Class : Class 5
Hydrocloric acid is very corrosive and reacts with metals . So HCL is stored in glass bottles because it dont causes damage to it . ..........SO 3 statement should be true and their explanation is wrong .

Ans 6:

Class : Class 8
hcl reacts with metals too

Ans 7:

Class : Class 7
Hcl doesnt react with glass. The explanation is wrong

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
i gave the correct answer but in the result they are showing that it is wrong.it is the same case with some other questions too.Please make a note that you correct it,thank you.

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