National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 7

Mukta conducted an experiment in which two potato tubers X and Y (of equal size) were peeled and a cavity was made in each of them. X was boiled while Y was not. The cavities in the both tubers were filled with sugar solution and they were then placed in beakers containing distilled water. Select the correct statement regarding the result of this experiment.

A Level of sugar solution increased in both potato tubers X and Y due to osmosis.
B Level of sugar solution decreased in both potato tubers X and Y due to osmosis.
C Level of sugar solution increased in only potato tuber X due to osmosis.
D Level of sugar solution increased in only potato tuber Y due to osmosis.


Tricky question i thought it was A

Ans 1:

Class : Class 7
The answer is c .

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Thaneesha,its C Ashmi Narkar

Ans 2:

Class : Class 3
Thaneesha,its C Ashmi Narkar

Ans 3:

Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
ANSWER IS A

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
the correct answer is a

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
It can be Q because if P is moved clockwise then R would move anticlockwise making Q move clockwise, but if Q moves anticlockwise then it will make R move clockwise making P move anticlockwise, which is it's opposite. So Q is incorrectly marked.

Ans 2:

Class : Class 6
If p is the driving gear then all are right.

Ans 3:

Class : Class 6
Q OR S ONE OF THEM IS INCORRECTLY MARKED

Ans 4:

Class : Class 6
If P is moved in clockwise direction then R would move in anticlockwise direction with P, but if Q moves anticlockwise then R will move clockwise and P would move Anticlockwise, which is opposite of it. So Q is incorrectly marked.

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer