National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
Actualy the answer is 30th September so instead of 29th the option D it should be 30 so my answer is 30th

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
answer is b because dew is a type of water vapour when it passes through cold region it condenses to form water ex the water we see on leaves in early cold morning

Ans 2:

Class : Class 2
Ans is "B" Dew is water in the form of droplets that appears on thin, exposed objects in the morning or evening due to condensation.[1] As the exposed surface cools by radiating its heat, atmospheric moisture condenses at a rate greater than that at which it can evaporate, resulting in the formation of water droplets

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 4
tejhhdeex6r y h tds hgvye udddddjtcf cf

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
they all lack backbone as they all are are invertebrates

Ans 2:

Class : Class 7
B

Ans 3:

Class : Class 6
they all lack backbone

Ans 4:

Class : Class 6
they all lack a back bone

Ans 5:

Class : Class 7
The answer is B since all are invertebrates.

Post Your Answer

Subject :NSO    Class : Class 7

If a person is unable to breathe on his own due to some medical illness, an iron lung may be employed to take over the role of the diaphragm and the intercostal muscles. The person is placed in a cylindrical chamber called iron lung while his head remains outside the cylinder. An airtight seal is placed around his neck. Changes in the air pressure within the iron lung allow the flow of air into and out of his lungs. Which of the following statements about the iron lung is correct?

ABreathing with an iron lung is still possible if th patient's trachea is completely blocked.
BDuring exhalation, the iron lung causes the patient's lungs to expand.
CDuring inhalation, the pressure in the patient's lungs is increased.
DInhalation and exhalation is possible even if the patient's lung is punctured.


Ans 1:

Class : Class 7

Ans 2:

Class : Class 7
.

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 4

Post Your Answer