Cell Structure & Organelles MCQs with Answers

Rough Endoplasmic Reticulum is granular because of _?

• A.Golgi bodies
• B.Lysosomes
• C.Mitochondria
• D.Ribosomes

The active site of an enzyme is a cavity with _?

• A.Two dimensions
• B.Four dimensions
• C.Three dimensions
• D.No specific shape

Which modifies the produced polysaccharides for secretion?

• A.Ribosome
• B.Golgi apparatus
• C.Mitochondria
• D.Lysosome

The resting phase between any two mitotic divisions is called interphase. Which one of the following is the primary event that occurs during interphase of cell cycle?

• A.Cell division
• B.Active preparation for cell division
• C.Chromosome segregation
• D.Cytokinesis

The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells?

• A.Rough endoplasmic reticulum
• B.Smooth endoplasmic reticulum
• C.Golgi apparatus
• D.Mitochondria

Which statement about the fluid mosaic model of membrane structure is correct?

• A.The more saturated the fatty acid, the more fluid the membrane
• B.The more unsaturated the fatty acid, the more fluid nature
• C.Membrane fluidity is independent of fatty acid composition
• D.Cholesterol has no effect on membrane fluidity

Past Paper MCQ

What are the basic building blocks of living things called?

• A.Cells
• B.Atoms
• C.Tissues
• D.Molecules

What is a function of the rough endoplasmic reticulum?

• A.Storage of calcium ions
• B.Synthesis of lipids
• C.Detoxification of drugs
• D.Synthesis of proteins

What structure within the cell contains the genetic material?

• A.Nucleus
• B.Mitochondria
• C.Ribosome
• D.Golgi apparatus

Which of the following contains enzymes that transfer hydrogen from various substrates to oxygen?

• A.Lysosome
• B.Ribosome
• C.Peroxisome
• D.Golgi apparatus