Choose the incorrect statements from the following options:
1. (A) Plasma membrane act as a selectively permeable membrane which is allowing only 50% volume of any materials in or out of the cell.
(B) Plasma membrane provides a definite shape to the cell.
(C) Plasma membrane is mainly made up of polysaccharides.
(D) Plasma membrane is also called a Bio membrane.
(B) Plasma membrane provides a definite shape to the cell.
(C) Plasma membrane is mainly made up of polysaccharides.
(D) Plasma membrane is also called a Bio membrane.
2. Read the sentences carefully and select the correct one:
Karthick wanted to eat rice with Bengal gram. He asked his mother to cook the same on next day. At night his mother took a cup of Bengal gram and put them in a container having some water, and the box with Bengal gram covered overnight. Next day he was observed that the Bengal gram got swollen. What is this phenomenon due to which Bengal gram got swollen?
(A) Diffusion
(B) Osmosis
(C) Endosmosis
(D) Exosmosis
(A) Diffusion
(B) Osmosis
(C) Endosmosis
(D) Exosmosis
3. Choose the correct one from the following options:
Chromosomes are composed of
(A) DNA
(B) protein
(C) vacuole
(D)s Lysosomes
(A) DNA
(B) protein
(C) vacuole
(D)s Lysosomes