Cell Structure & Organelles MCQs with Answers

The interval between each mitotic division is called ?

• A.Telophase
• B.Prophase
• C.Interphase
• D.Cytokinesis

Which one difference between cancer cells and normal cells is that cancer cells?

• A.Have a longer cell cycle than normal cells
• B.Stop dividing when they come into contact with other cells
• C.Require growth factors to initiate cell division
• D.Continue to divide even when they are tightly packed together

How many mitotic attempts are needed to have a pool of 64 cells from a single cell?

• A.5
• B.6
• C.7
• D.8

In which stage of mitosis does contraction of spindle fibers take place, causing chromosomes to move towards the opposite poles of the cell?

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

The decline of MPF activity at the end of mitosis is due to ?

• A.The degradation of cyclin
• B.The degradation of cyclin-dependent kinase
• C.The synthesis of cyclin
• D.The phosphorylation of cyclin

Past Paper MCQ

What structure is formed by the centrosome during cell division?

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

Select the mismatched one of the followings?

• A.Ribosomes → Synthesis of steroids
• B.Mitochondria → Production of ATP
• C.Lysosomes → Intracellular digestion
• D.Golgi apparatus → Packaging and secretion of proteins

Which of the following strongly supports the endosymbiont hypothesis of eukaryotic evolution?

• A.Mitochondria and chloroplasts both have DNA
• B.Mitochondria and chloroplasts both lack ribosomes
• C.Mitochondria and chloroplasts are absent in prokaryotes
• D.Mitochondria and chloroplasts both have a single membrane

Which of the following contain the 9 + 2 arrangement of microtubules?

• A.Cilia
• B.Flagella
• C.Centrioles
• D.Both A and B

Stage in which plasma membrane starts separating from the cell wall is called _?

• A.Osmosis
• B.Cytolysis
• C.Haemolysis
• D.Plasmolysis