National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Option D. All of the above.

Ans 2:

Class : Class 6
D is the ans as air is matter and is very transparent.

Ans 3:

Class : Class 7
d is the answer but the trainer is showing b as answer air reflects light that is why the sky is blue

Ans 4:

Class : Class 6

Ans 5:

Class : Class 6
ans is d because it is transparent which allows light to pass, it doesn't observe light but transmits all light

Ans 6:

Class : Class 7

Ans 7:

Class : Class 6
ans is d

Ans 8:

Class : Class 8
Ans is D as air is all of the above

Ans 9:

Class : Class 7
ans is d

Ans 10:

Class : Class 6
Answer is D as air it neither absorbs or reflects light,its almost transparent,it transmits the whole of light.

Ans 11:

Class : Class 6
Option D. All of the above.

Ans 12:

Class : Class 7
ans is d

Ans 13:

Class : Class 6
D

Ans 14:

Class : Class 6
ans is d sof !!!!!!!!!!!!! ans is d

Ans 15:

Class : Class 6
And is b

Ans 16:

Class : Class 7
Answer is d

Post Your Answer

Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 2:

Class : Class 7
answer is b

Ans 3:

Class : Class 7
everybody just copy and paste it, can anyone explain in an easier way

Ans 4:

Class : Class 10
The common error is to think that pressure at 0.4h above the surface of the reservoir of mercury is 0.4 times the atmospheric pressure. The pressure at p is caused by the weight of mercury above point P. Thus preesure at P is equal to : 0.6x 100000 = 60000 Pa

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 2:

Class : Class 4
obviusly it will be d

Ans 3:

Class : Class 3
Y...I DONT UNDERSTAND SOOOOO....................TELL MEH!!

Ans 4:

Class : Class 3
The correct answer is D [friction].

Ans 5:

Class : Class 6
I too

Ans 6:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
A

Post Your Answer

Subject :NSO    Class : Class 1

Ans 1:

Class : Class 2
a

Ans 2: (Master Answer)

Class : Class 1
No, the answer is D because in the option A the second image is of a full moon and not a new moon.

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
you all are mad

Ans 2:

Class : Class 5
why the question have given like this I don't know. why olimpiadtrainer sometimes do like this.Can anyone tell me the answer.I request to you all.Please help me or else I have tell to my father.I don't want to tell my father.I beg to you please.

Ans 3:

Class : Class 5
kojjk

Ans 4:

Class : Class 3
blah blah blah every one

Ans 5:

Class : Class 5
the question you had given ,in the solution of the question of it is another one,the solution of the real question was its solution so we could not find the solution of this question.

Ans 6:

Class : Class 3
i will tell to your dad das ji

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
No, the correct answer is D. When written in decimal, the value of it comes out to be 0.2 and the rest are bigger than it. In fractions, as the denominator gets bigger, the number gets smaller.

Post Your Answer

Subject :NSO    Class : Class 7

Which of the following statements are incorrect?
(i) Cellular respiration is a physical process in which food molecules are broken down into carbon dioxide and water.
(ii) Anaerobic respiration involves breakdown of glucose into alcohol and carbon dioxide.
(iii) Breathing rate varies according to oxygen requirement of the body.
(iv) On land, frogs breathe through lungs and in water by gills.
(v) Respiration in plants occurs through stomata and lenticels.

A(i), (ii) and (iv) only
B(i) and (iv) only
C(ii), (iii) and (v) only
D(ii), (iii) and (iv) only


Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

Post Your Answer

Subject :NSO    Class : Class 6

A science teacher labelled three glass slides as P, Q and R. She painted slide Q with light blue colour, slide R with black colour and slide P was left as such.
Then she asked students to put the slide on a white paper having (X) mark on it.
Students will be able to see the mark clearly (or partially)

A In slide P as it is translucent
B In slide Q as it is translucent
C In slide R as it is opaque
D In all the slides as paint does not change the nature of glass.


It's written'Students will be able to see the mark clearly (or partially)'. What should I do the question is not even making up it's mind!

Ans 1:

Class : Class 6
Even C is correct. In the workbook solution it’s given that slideR is supposed to be opaque

Ans 2:

Class : Class 6
why!

Ans 3:

Class : Class 6
IT IS AND THE ANSWER IS B

Post Your Answer