Cell MCQ Quiz – Part 3
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This Cell MCQ Quiz helps aspirants revise important concepts related to cell structure, organelles, and basic cell functions that are frequently asked in competitive exams. Regular practice of cell MCQs improves conceptual understanding and helps candidates answer biology questions quickly and accurately.
GK Series – Biology – Cell MCQ Quiz |
|
| Subject | Biology |
| Chapter | Cell |
| Part | 3 |
| Questions | 10 |
Who Should Attempt This Cell MCQ Quiz?
This Cell MCQ Quiz is useful for aspirants preparing for SSC, Railways, Banking, Defence, and other government job exams, where basic biology questions are commonly asked in the General Knowledge section.
Topics Covered in This Cell MCQ Quiz
This quiz includes MCQs based on important topics such as cell structure, cell membrane, nucleus, cytoplasm, cell organelles, prokaryotic and eukaryotic cells, and other fundamental concepts of cell biology.
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Question 1 of 10
1. Question
The main component of the bacterial cell wall is
Correct
➤ The cell wall composition differs in different organisms.
➤ Plants → Cellulose.
➤ Bacteria → Peptidoglycan.
➤ Fungi → Chitin.
➤ Algae → Cellulose or Pectin.Incorrect
➤ The cell wall composition differs in different organisms.
➤ Plants → Cellulose.
➤ Bacteria → Peptidoglycan.
➤ Fungi → Chitin.
➤ Algae → Cellulose or Pectin. -
Question 2 of 10
2. Question
Which of the following is a characteristic of prokaryotic cells?
Correct
➤ Prokaryotic cells lack a true nucleus.
➤ Genetic material is present in a region called the nucleoid.
➤ Membrane-bound organelles are absent.
➤ Example: Bacteria and cyanobacteria.Incorrect
➤ Prokaryotic cells lack a true nucleus.
➤ Genetic material is present in a region called the nucleoid.
➤ Membrane-bound organelles are absent.
➤ Example: Bacteria and cyanobacteria. -
Question 3 of 10
3. Question
The structure responsible for locomotion in many bacterial cells is
Correct
➤ Flagella are microscopic hair-like structures used for cell movement.
➤ The flagellum consists of three main parts.
➤ Basal body → attached to cell membrane.
➤ Hook → curved connector.
➤ Filament → long hair-like structure.Incorrect
➤ Flagella are microscopic hair-like structures used for cell movement.
➤ The flagellum consists of three main parts.
➤ Basal body → attached to cell membrane.
➤ Hook → curved connector.
➤ Filament → long hair-like structure. -
Question 4 of 10
4. Question
Which enzyme is responsible for unwinding the DNA double helix during DNA replication?
Correct
➤ Helicase is the enzyme that unwinds the DNA double helix.
➤ It separates the two DNA strands during replication.
➤ Other replication enzymes include DNA polymerase, primase, ligase, and topoisomerase.Incorrect
➤ Helicase is the enzyme that unwinds the DNA double helix.
➤ It separates the two DNA strands during replication.
➤ Other replication enzymes include DNA polymerase, primase, ligase, and topoisomerase. -
Question 5 of 10
5. Question
During the cell cycle, DNA replication occurs in which phase?
Correct
➤ The cell cycle consists of interphase and mitotic phase.
➤ Interphase includes G1, S, and G2 phases.
➤ S phase (Synthesis phase) is where DNA replication occurs.
➤ This ensures that each daughter cell receives identical genetic information.Incorrect
➤ The cell cycle consists of interphase and mitotic phase.
➤ Interphase includes G1, S, and G2 phases.
➤ S phase (Synthesis phase) is where DNA replication occurs.
➤ This ensures that each daughter cell receives identical genetic information. -
Question 6 of 10
6. Question
Which of the following correctly describes ribosomes in prokaryotic and eukaryotic cells?
Correct
➤ Prokaryotic cells contain 70S ribosomes.
➤ Eukaryotic cells contain 80S ribosomes in cytoplasm.
➤ Ribosomes are responsible for protein synthesis in cells.Incorrect
➤ Prokaryotic cells contain 70S ribosomes.
➤ Eukaryotic cells contain 80S ribosomes in cytoplasm.
➤ Ribosomes are responsible for protein synthesis in cells. -
Question 7 of 10
7. Question
Which of the following is the longest cell in the human body?
Correct
➤ Neuron (nerve cell) is the longest cell in the human body.
➤ Some neurons can extend over one meter in length in humans.
➤ Neurons are responsible for transmitting nerve impulses.Incorrect
➤ Neuron (nerve cell) is the longest cell in the human body.
➤ Some neurons can extend over one meter in length in humans.
➤ Neurons are responsible for transmitting nerve impulses. -
Question 8 of 10
8. Question
The smallest known living cell is
Correct
➤ Mycoplasma is the smallest known living cell.
➤ It belongs to the group of bacteria.
➤ It lacks a cell wall and is extremely small.Incorrect
➤ Mycoplasma is the smallest known living cell.
➤ It belongs to the group of bacteria.
➤ It lacks a cell wall and is extremely small. -
Question 9 of 10
9. Question
The Golgi apparatus has two distinct faces known as
Correct
➤ The Golgi apparatus has two functional sides.
➤ Cis face → receiving side facing the nucleus.
➤ Trans face → shipping side facing the plasma membrane.
➤ It modifies and packages proteins and lipids.Incorrect
➤ The Golgi apparatus has two functional sides.
➤ Cis face → receiving side facing the nucleus.
➤ Trans face → shipping side facing the plasma membrane.
➤ It modifies and packages proteins and lipids. -
Question 10 of 10
10. Question
Which plastid is responsible for storage of carbohydrates in plant cells?
Correct
➤ Leucoplasts are colourless plastids mainly involved in storage.
➤ Amyloplast → stores carbohydrates (starch).
➤ Aleuroplast → stores proteins.
➤ Elaioplast → stores fats or oils.Incorrect
➤ Leucoplasts are colourless plastids mainly involved in storage.
➤ Amyloplast → stores carbohydrates (starch).
➤ Aleuroplast → stores proteins.
➤ Elaioplast → stores fats or oils.