HARD
8th CBSE
IMPORTANT
Earn 100

State the beneficial effects (or usefulness) of microorganisms in our lives.

Important Questions on Micro-Organisms: Friend and Foe

MEDIUM
8th CBSE
IMPORTANT
Describe the method of pasteurisation for the preservation of milk.
MEDIUM
8th CBSE
IMPORTANT
What is the name of one plant disease caused by fungi, whether it is Blight of rice or Rust of wheat?
EASY
8th CBSE
IMPORTANT

Choose and write the name of the plant disease caused by virus.

soft rots of roots Yellow vein mosaic of bhindi necrosis

 

EASY
8th CBSE
IMPORTANT
Name one plant disease caused by bacteria. (Ascariasis/ Citrus canker/ Filariasis)
EASY
8th CBSE
IMPORTANT
Which disease is spread by: Female Anopheles mosquito?
EASY
8th CBSE
IMPORTANT
Which disease is spread by Female Aedes mosquito? (Malaria/Dengue/Typhoid)
EASY
8th CBSE
IMPORTANT
Name two fruits which are preserved:
In the form of pickles.
EASY
8th CBSE
IMPORTANT
Name two fruits which are preserved:
In the form of jams.