National Science Olympiad Forum By SOF Olympiad Trainer - Page 13

User Forum

Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 8

Refer to the given figures and select the incorrect statement regarding them.


AZ is an organ that receives the sperm which fertilises ovum in X.
BSecretions of both Q and Y help in development of male and female gametes, respectively.
CBoth P and W secrete hormones that control development of secondary sexual characters in males and females, respectively.
DR is an erectile organ that releases its contents into Z which also serves as birth canal during parturition.


Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 4

Read the given paragraph.
X and Y are the two planets of our Solar System. X is the hottest planet and is often referred to as Morning or Evening star. Surface of Y is covered by red dust so it appears red and is often referred to as Red planet.
Identify planets X and Y and select the correct option regarding them.

A X has one moon whereas Y has sixty two moons.
B Y is an inner planet made up of rocks and iron whereas X is an outer planet made up of gases.
C Indian name of X is Shukra whereas that of Y is Mangal.
D Both X and Y have rings around them but Y is the fastest spinning planet.


C

Post Your Answer

Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1 : During heavy physical exercise, the breathing rate of an adult human being can increase up to 25 times per minute.
Statement 2 : Faster breathing rate supplies more oxygen to the body cells for speedy breakdown of food for releasing more energy required during exercise.

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.


shouldn't fast breathing make oxygen around us thinner and hence so anaerobic respiration takes place.

Post Your Answer

Subject :NSO    Class : Class 8

Study the given table.

Identify cell components P-R and select the correct statement regarding them.

AP is the power house of the cell and cellular respiration takes place here.
BQ Contain enzymes that destroy the damaged or dead cells.
CR is a membrane less organelle that is present either free or attached to endoplasmic reticulum.
DNone of these


The ans shall be D as ribosomes are not only found free or with endoplasmic recticulum they are also found in nucleus

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer