HARD
9th CBSE
IMPORTANT
Earn 100

How Tyndall effect can be observed in the canopy of a dense forest.

Important Questions on Practice Paper 4

EASY
9th CBSE
IMPORTANT
What volume of ethyl alcohol and water must be mixed together to prepare 250 ml of 60% volume by volume solution of alcohol in water.
MEDIUM
9th CBSE
IMPORTANT
Mention any two difference between compounds and mixture.
EASY
9th CBSE
IMPORTANT

Which separation technique will you apply for separating the following mixture.

Butter from curd. 

EASY
9th CBSE
IMPORTANT
Which separation technique will you apply for separating the following mixture. Different pigments from an extract of flower petals.
HARD
9th CBSE
IMPORTANT
Draw a diagram of prokaryotic cell and eukaryotic cell and label on it - cell well, ribosomes, nucleoid, and plasma membrane.
MEDIUM
9th CBSE
IMPORTANT
Write two difference between a prokaryotic cell and eukaryotic cell.
MEDIUM
9th CBSE
IMPORTANT
Name the five classes of vertebrates. Compare any two on the basis of their habitat.
MEDIUM
9th CBSE
IMPORTANT
Name the five classes of vertebrates. Compare any two on the basis of their Covering of skin.