National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
LEPROSY IS NON CONTAGIOUS

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6
explain

Ans 4:

Class : Class 7

Ans 5:

Class : Class 7

Ans 6:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Study the given flowchart and identify the processes P, Q, R and S involved in the separation of the mixture.

                    P                             Q                         R                S
A Sublimation     Magnetic separation     Filtration        Evaporation
BMagnetic          Filtration separation     Sublimation     Evaporation
CEvaporation     Magnetic separation     Filtration          Sublimation
DSublimation     Magnetic separation     Evaporation     Filtration


Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 7
Correct answer is d

Ans 2:

Class : Class 8
Correct answer is option D.

Ans 3:

Class : Class 7
its D as the force of attraction and repulsion(depicted by arrows)should be equal i.e if there are arrows of repulsion(going north either south)is 2 then there should be equally 2 arrows of attraction.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Higher the height, higher the potential energy. Hence the correct option is B.

Ans 2:

Class : Class 6
B

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8
Correct option is B.

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
Aren't jute plants biodegradable and replenishes earth's nutrient????

Post Your Answer

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 6

Read the given statements and select the correct option
Statement 1 : The rainwater in mountains flows away down the slopes, leaving very little water for the trees to absorb
Statement 2 : To conserve water, the leaves of the pine trees are needle-like to reduce the loss of water due to evaporation.


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 and statement 2 is false.
D Both statements 1 and 2 are false


Ans 1:

Class : Class 7
I agree with you, sanajy, this adaptation is done in desert plants. In mountaineous plants its done for something else.

Ans 2:

Class : Class 4
Ans b As less water is absorbed by soil so there is scarcity of water. Leaves of pine trees are modified to spines as the surface area of needle like leaves is much less than normal leaves and less transpiration is done by them. In that way pine trees save water.

Ans 3:

Class : Class 6
leaves of pine trees are needle like so that snow falls easily and do not collect on the leaves so i think the answer is wrong

Ans 4:

Class : Class 4
ok dadaaaa

Post Your Answer