National Science Olympiad Forum By SOF Olympiad Trainer - Page 472

User Forum

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 6
Explaaaaaaaaaaaaaaaaaaaaaaiiiiiiiiiiiiiiiiiiiiiin

Ans 2:

Class : Class 4
PLEASE EXPLAIN

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
ANSWER IS (a)

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
The stomach is also like a bean . Very confusing.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Actually I have asked question so the options start with A.

Ans 2:

Class : Class 7
c

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
D

Ans 2:

Class : Class 6
D

Ans 3:

Class : Class 2
D

Ans 4:

Class : Class 2

Ans 5:

Class : Class 7
D

Post Your Answer

Subject :NSO    Class : Class 5

Refer to the given Venn diagram. Identify X, Y and Z and select the correct statement regarding them.


AThe process of changing Y into X is called freezing.
BThe process of changing X into Y is called sublimation.
CThe process of changing Z into X is called evaporation.
DThe process of changing Z into X is called condensation.


x can be solid and y can be gas,and this process is called sublimation ,so option b is correct,according to the explanations of solid,liquid and gas.

Ans 1:

Class : Class 9
yes

Ans 2:

Class : Class 6
B

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
May be c

Ans 2:

Class : Class 7
It's C Bro To prevent Backward Flow Of Blood

Post Your Answer

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 correct answer is D as Y has living cells in it while X does not Therefore, osmosis occurs in Y and the level of sugar solution increases

Ans 2:

Class : Class 4
the answer should be c

Ans 3:

Class : Class 4
The answer is c .

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
'I am veryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy smart!

Ans 2:

Class : Class 6

Ans 3:

Class : Class 8
Thaneesha,its C Ashmi Narkar

Ans 4:

Class : Class 3

Ans 5:

Class : Class 7

Ans 6:

Class : Class 8
Thaneesha,its C Ashmi Narkar

Ans 7:

Class : Class 6
At most dust is stuck on the sticky surface of tape 'Y', it indicates that this tape was exposed to air at a location having the maximum level of air pollution. This prooves that the correct answer is option 'b'.

Post Your Answer