National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1 : Concave mirrors are used in torches and car headlights.
Statement 2 : Concave mirrors converge the light of the bulbs of torches and car headlights to form a beam of light.

ABoth statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true but statement 2 is false.
DStatement 1 is false but statement 2 is true.


Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 8

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1 : A twisting funnel of wind with its narrow end towards the land is known as a tornado.
Statement 2 : A tornado develops from a bnbthunderstorm and rotates violently.

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 but statement 2 is false.
D Statement 1 is false but statement 2 is true.


Post Your Answer

Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1 : If light from a laser torch is made to fall on a prism, then a band of seven colours are not observed.
Statement 2 : Laser torch gives out light of only one colour.

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 but statement 2 is false.
D Statement 1 is false but statement 2 is true.


Post Your Answer

Subject :NSO    Class : Class 7

Refer to the given figure in which some organs are labelled as P, Q, R and S. Which of the following could be true for the labelled parts in a patient who is diagnosed with an unusual sickness wherein he is unable to digest any fat present in his food?


AThe cells of the wall lining of Q are not able to secrete HCl which activates fat digesting enzymes.
BDuct of P is blocked due to which bile cannot enter small intestine.
CR is unable to manufacture bile.
DMicrovilli are absent in S.


Anything

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
Option b is correct

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
Anything

Post Your Answer