Cell Structure & Organelles MCQs with Answers

In case of human cell, average cell cycle is about _?

• A.12 hours
• B.72 hours
• C.48 hours
• D.24 hours

Which one of the following is important for the normal functioning of plant cell?

• A.Turgidity
• B.Rigidity
• C.Flexibility
• D.Elasticity

Proteins that are involved in the regulation of the cell cycle, and that show fluctuations in concentration during the cell cycle, are called?

• A.Cyclins
• B.Histones
• C.Kinases
• D.Interferons

Glycolysis is ……..

• A.Takes place in Cytoplasm
• B.Takes place in Mitochondria
• C.Takes place in Nucleus
• D.Takes place in Ribosomes

Which of these are attached to the extracellular matrix?

• A.Integrins
• B.Cadherins
• C.Clathrins
• D.Actins

A group of cells having common origin and performing an identical function are called ?

• A.Organ
• B.Tissue
• C.Organ system
• D.Organelle

Which of the following structures is not present in a plant cell?

• A.Cell wall
• B.Chloroplast
• C.Centriole
• D.Large central vacuole

All are postulates of cell theory except?

• A.All living organisms are composed of one or more cells
• B.The cell is the basic structural and functional unit of life
• C.Cell does not contain the hereditary material
• D.All cells arise from pre-existing cells

Cytoplasm becomes more viscous during ?

• A.Prophase
• B.Metaphase
• C.Anaphase
• D.Telophase

The plasma membrane and everything contained inside it is called _?

• A.Cytoplasm
• B.Protoplasm
• C.Nucleoplasm
• D.Endoplasm