MEDIUM
9th CBSE
IMPORTANT
Earn 100

Mohan weighed 5 dry raisins and found them to weigh 6 g. He kept the raisins in water at room temperature for 2 hours. He found the weight of swollen raisins as 9 g. Calculate the percentage of water absorbed by raisins?

Important Questions on The Fundamental Unit of Life
MEDIUM
9th CBSE
IMPORTANT
Which experiment will you conduct to prove the effect of temperature on the permeability of plasma membrane and rate of osmotic flow of water?

MEDIUM
9th CBSE
IMPORTANT
Set an experiment to demonstrate the phenomenon of plasmolysis.

MEDIUM
9th CBSE
IMPORTANT
Conduct an experiment to prove the amount of osmotic flow of water also depends upon the period for which the substance is placed in water.

MEDIUM
9th CBSE
IMPORTANT
Your teacher has given you a slide of bacterial cell (i.e. prokaryotic cell) and a plant cell (i.e. a eukaryotic cell). Note down at least four differences between them.

EASY
9th CBSE
IMPORTANT
Which of the following can be made into crystal?

MEDIUM
9th CBSE
IMPORTANT
A cell will swell up if

EASY
9th CBSE
IMPORTANT
Chromosomes are made up of:

MEDIUM
9th CBSE
IMPORTANT
Which of these options are not a function of ribosomes?
(i) It helps in the manufacture of protein molecules.
(ii) It helps in the manufacture of enzymes.
(iii) It helps in the manufacture of hormones.
(iv) It helps in the manufacture of starch molecules.
