Choose the incorrect statements from the following options:
1. Active transport involves the movement of ions or molecules from regions of lower concentration to those of higher concentration.
(A) It is the naturally driven process.
(B) This process is against the direction of natural process.
(C) It takes place only with the expense of energy.
(D) It takes place without the expense of energy.
(A) It is the naturally driven process.
(B) This process is against the direction of natural process.
(C) It takes place only with the expense of energy.
(D) It takes place without the expense of energy.
2. Read the sentences carefully and select the correct one:
The process of plasmolysis in plant cell is referred as:
(A) Breakdown of the plasma membrane in an isotonic solution
(B) Shrinkage of cytoplasm in hypotonic medium
(C) Shrinkage of cytoplasm in hypertonic medium
(D) None of these
(A) Breakdown of the plasma membrane in an isotonic solution
(B) Shrinkage of cytoplasm in hypotonic medium
(C) Shrinkage of cytoplasm in hypertonic medium
(D) None of these
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