Cell Structure & Organelles MCQs with Answers

Which term describes two centrosomes arranged at opposite poles of the cell?

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

What surrounds all cells to separate them from their environment?

• A.Cell membrane
• B.Cell wall
• C.Cytoplasm
• D.Nucleus

In animals, meiosis produces _?

• A.Stem cells
• B.Somatic cells
• C.Zygotes
• D.Gametes

Diffusion is a _ process, which does not require energy input.

• A.Passive
• B.Active
• C.Facilitated
• D.Catalytic

RNA is not found in _?

• A.Nucleus
• B.Cytoplasm
• C.Cell membrane
• D.Ribosomes

Smooth endoplasmic reticulum makes:

• A.Carbohydrates
• B.Proteins
• C.Lipids
• D.Nucleic acids

Which statement best describes the difference between Prokaryotic cell and Eukaryotic cell?

• A.Prokaryotic cells have 50S & 30S ribosomal subunits; Eukaryotic cells have 60S & 40S ribosomal subunits
• B.Prokaryotic cells have 60S & 40S ribosomal subunits; Eukaryotic cells have 50S & 30S ribosomal subunits
• C.Both Prokaryotic and Eukaryotic cells have identical 70S ribosomes
• D.Prokaryotic cells have 80S ribosomes; Eukaryotic cells have 70S ribosomes

_ is the longest stage of mitosis.

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

In living organisms, energy is stored in a special molecule called?

• A.ADP
• B.ATP
• C.NADPH
• D.Glucose

Mitosis is divided into _?

• A.Karyokinesis
• B.Cytokinesis
• C.Both A and B
• D.None of these