Cell
Practice Cell MCQs from Biology — Science.
Which of the following enzymes is responsible for unwinding the DNA double helix during replication?
In plant cytokinesis, the 'cell plate' is formed by the fusion of vesicles from which organelle?
What is the function of the enzyme 'Catalase' found in peroxisomes?
The 9+2 arrangement of microtubules is a characteristic feature of:
What is the primary function of the 'Nucleolar Organizer Region' (NOR) of a chromosome?
Which component of the cytoskeleton is responsible for 'ameboid movement' and 'cleavage furrow' formation?
Glycosylation of proteins (adding sugar chains) occurs mostly in the:
The process of 'Programmed Cell Death' is scientifically known as:
In the cell membrane, the hydrophobic tails of phospholipids face:
Which organelle contains its own genome and follows maternal inheritance in humans?
What type of junction allows direct passage of small molecules between adjacent animal cells?