National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 4

The given diagram shows the positions of water plants P, Q, R and S in a pond. Four pupils Vikas, Shilpi, Beena and Rahul were asked to identify the positions of four plants, viz. water hyacinth, Hydrilla, coontail and water lily in the pond.
Which of these pupils has identified the positions of all given water plants correctly?

Position of plant in the pond
Pupil Water hyacinth Hydrilla Coontail Water lily
A Vikas P Q R S
B Shilpi S P Q R
C Beena P S Q R
D Rahul Q P S R


Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
How is butterfly odd

Ans 2:

Class : Class 5
This is based on life cycle of insects. Only butterfly in the given group of insects have 4 stage life cycle (complete cycle). Others have only incomplete life cycle (3 stages)

Ans 3:

Class : Class 4
It is B cause grasshoppers can’t fly

Ans 4:

Class : Class 4
I think they mean that butterfly has four wings

Post Your Answer

Subject :NSO    Class : Class 8

The given flow chart shows the sequence of various steps involved in crop production. Identify the missing steps and select the incorrect statements regarding them.

I. Process P helps in the intake of minerals by the plant.
II. Process Q can also be done before sowing of seeds.
III. Process Q is usually done manually using khurpi, etc. when performed after P.
IV. After R, the left over in the field can be used as manure by farmers.
V. T can be done using a thresher or a combine.

AI and II only
BII and III only
CIV and V only
DV only


The solution says that the answer is d but isn’t statement V correct?

Post Your Answer

Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 4
The answer is c.

Ans 3:

Class : Class 4
The answer is c.

Ans 4:

Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
??

Post Your Answer

Subject :NSO    Class : Class 3

Post Your Answer

Subject :NSO    Class : Class 7

Read the given statements and select the correct option.
Statement 1: The digested food is absorbed mainly in the small intestine.
Statement 2: The inner wall of small intestine contains numerous finger-like projections called villi.

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 in not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Both statements 1 and 2 are false.


Ans 1:

Class : Class 7

Post Your Answer

Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
ANS- D as nitrogen does support burning and carbon di oxide is used in fire extinguishers

Ans 2:

Class : Class 5
X

Ans 3:

Class : Class 6
ANS-D -both B and C

Ans 4:

Class : Class 5
B

Ans 5:

Class : Class 5
B

Post Your Answer

Subject :NSO    Class : Class 6

Post Your Answer