National Science Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :NSO    Class : Class 8

An experiment is conducted in which pea seeds are planted 10 mm apart in tray I and 1 cm apart in tray II. Both trays are exposed to the same environmental conditions. It is noted that plants grown in tray I are very weak while plants in tray II are healthy.

AThe plants compete for limited available resources
BThe plants are not exposed to sufficient sunlight
CThe plants are grown in nutrient deficient soil
DThe plants suffered a pathogen attack


but 10 mm is equal to 1 cm !!

Ans 1:

Class : Class 8
lol then the question is wrong

Ans 2:

Class : Class 9
question is wrong 10 mm=1cm

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 4

Refer to the given diagram and select correct examples of X, Y and Z resources of energy.
             X                Y                    Z
A Petroleum       Coal                Hydro energy
B Solar energy    Natural gas       Coal
C Tidal energy    Petroleum         Nuclear energy
D Coal               Nuclear energy    Petroleum


not understanding please clarify

Ans 1:

Class : Class 4
hi how are u

Ans 2:

Class : Class 4
I am fine . bro!

Ans 3:

Class : Class 5
the answer is b

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 5

Post Your Answer

Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
Aarush how did you know that adi is in the right lower square ? It can also be in one of the left squares

Ans 2:

Class : Class 5
x and y are adi's maternal grandparents, and x y have 3 children-2 daughters, one son. One daughter has no child, the other daughter has 1 son only who is Adi ( right lower square ). Adi has no siblings. So the answer is A.

Post Your Answer