Cell MCQ Quiz – Part 2
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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 | 2 |
| Questions | 25 |
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 25
1. Question
The nucleus is often called the
Correct
➤ The nucleus is called the brain of the cell.
➤ It controls all cellular activities.
➤ It contains genetic material (DNA).Incorrect
➤ The nucleus is called the brain of the cell.
➤ It controls all cellular activities.
➤ It contains genetic material (DNA). -
Question 2 of 25
2. Question
Chromosomes are composed mainly of
Correct
➤ Chromosomes are thread-like structures present in the nucleus.
➤ They are composed of DNA and proteins (histones).
➤ They carry genetic information from parents to offspring.Incorrect
➤ Chromosomes are thread-like structures present in the nucleus.
➤ They are composed of DNA and proteins (histones).
➤ They carry genetic information from parents to offspring. -
Question 3 of 25
3. Question
The number of chromosomes in human beings is
Correct
➤ Human cells contain 46 chromosomes.
➤ These occur in 23 pairs.
➤ Out of these, 22 pairs are autosomes and 1 pair is sex chromosomes.Incorrect
➤ Human cells contain 46 chromosomes.
➤ These occur in 23 pairs.
➤ Out of these, 22 pairs are autosomes and 1 pair is sex chromosomes. -
Question 4 of 25
4. Question
Genes are
Correct
➤ Genes are functional segments of DNA.
➤ They carry hereditary information from one generation to another.
➤ Genes determine traits such as eye colour and height.Incorrect
➤ Genes are functional segments of DNA.
➤ They carry hereditary information from one generation to another.
➤ Genes determine traits such as eye colour and height. -
Question 5 of 25
5. Question
The discovery of DNA was made by
Correct
➤ Friedrich Miescher discovered DNA in 1869.
➤ Later, Watson and Crick (1953) explained the double helix structure of DNA.
➤ DNA stores the genetic information of organisms.Incorrect
➤ Friedrich Miescher discovered DNA in 1869.
➤ Later, Watson and Crick (1953) explained the double helix structure of DNA.
➤ DNA stores the genetic information of organisms. -
Question 6 of 25
6. Question
Which organelle is known as the “powerhouse of the cell”?
Correct
➤ Mitochondria are known as the powerhouse of the cell.
➤ They produce ATP (Adenosine Triphosphate) which provides energy for cellular activities.
➤ ATP is called the energy currency of the cell.Incorrect
➤ Mitochondria are known as the powerhouse of the cell.
➤ They produce ATP (Adenosine Triphosphate) which provides energy for cellular activities.
➤ ATP is called the energy currency of the cell. -
Question 7 of 25
7. Question
Mitochondria were discovered by
Correct
➤ Mitochondria were discovered by Kolliker in 1857.
➤ They are double-membrane organelles.
➤ They also contain their own DNA and ribosomes.Incorrect
➤ Mitochondria were discovered by Kolliker in 1857.
➤ They are double-membrane organelles.
➤ They also contain their own DNA and ribosomes. -
Question 8 of 25
8. Question
Ribosomes are mainly responsible for
Correct
➤ Ribosomes are the site of protein synthesis in the cell.
➤ They do not have a membrane.
➤ Ribosomes were discovered by George E. Palade (1955).Incorrect
➤ Ribosomes are the site of protein synthesis in the cell.
➤ They do not have a membrane.
➤ Ribosomes were discovered by George E. Palade (1955). -
Question 9 of 25
9. Question
The network of membranous tubules that helps in transport within the cell is
Correct
➤ Endoplasmic Reticulum (ER) forms a network of membranous tubules and sacs.
➤ It helps in transport of materials within the cell.
➤ It connects the cytoplasm with the nuclear membrane.Incorrect
➤ Endoplasmic Reticulum (ER) forms a network of membranous tubules and sacs.
➤ It helps in transport of materials within the cell.
➤ It connects the cytoplasm with the nuclear membrane. -
Question 10 of 25
10. Question
Which type of endoplasmic reticulum contains ribosomes on its surface?
Correct
➤ Rough Endoplasmic Reticulum (RER) has ribosomes attached to its surface.
➤ It is mainly responsible for protein synthesis.
➤ It appears rough under microscope due to ribosomes.Incorrect
➤ Rough Endoplasmic Reticulum (RER) has ribosomes attached to its surface.
➤ It is mainly responsible for protein synthesis.
➤ It appears rough under microscope due to ribosomes. -
Question 11 of 25
11. Question
Smooth endoplasmic reticulum mainly helps in
Correct
➤ Smooth Endoplasmic Reticulum (SER) does not contain ribosomes.
➤ It helps in synthesis of lipids and fats.
➤ In liver cells, SER helps in detoxification of drugs and poisons.Incorrect
➤ Smooth Endoplasmic Reticulum (SER) does not contain ribosomes.
➤ It helps in synthesis of lipids and fats.
➤ In liver cells, SER helps in detoxification of drugs and poisons. -
Question 12 of 25
12. Question
The “post office of the cell” is
Correct
➤ Golgi apparatus is known as the post office of the cell.
➤ It modifies, packages, and transports proteins and lipids.
➤ It was discovered by Camillo Golgi in 1898.Incorrect
➤ Golgi apparatus is known as the post office of the cell.
➤ It modifies, packages, and transports proteins and lipids.
➤ It was discovered by Camillo Golgi in 1898. -
Question 13 of 25
13. Question
Lysosomes are often called
Correct
➤ Lysosomes contain digestive enzymes.
➤ They break down waste materials and damaged cell parts.
➤ When lysosomes burst, they may digest the cell itself, hence called suicide bags.Incorrect
➤ Lysosomes contain digestive enzymes.
➤ They break down waste materials and damaged cell parts.
➤ When lysosomes burst, they may digest the cell itself, hence called suicide bags. -
Question 14 of 25
14. Question
Vacuoles mainly function in
Correct
➤ Vacuoles are membrane-bound sacs present inside cells.
➤ They store cell sap, nutrients, and waste materials.
➤ In plant cells, vacuoles help maintain turgidity and rigidity.Incorrect
➤ Vacuoles are membrane-bound sacs present inside cells.
➤ They store cell sap, nutrients, and waste materials.
➤ In plant cells, vacuoles help maintain turgidity and rigidity. -
Question 15 of 25
15. Question
Vacuoles in plant cells are usually
Correct
➤ In plant cells, vacuoles are large and centrally located.
➤ They may occupy 50–90% of the cell volume.
➤ In animal cells, vacuoles are usually smaller and temporary.Incorrect
➤ In plant cells, vacuoles are large and centrally located.
➤ They may occupy 50–90% of the cell volume.
➤ In animal cells, vacuoles are usually smaller and temporary. -
Question 16 of 25
16. Question
Plastids are found in
Correct
➤ Plastids are organelles present only in plant cells.
➤ They are absent in animal cells.
➤ Plastids contain their own DNA and ribosomes.Incorrect
➤ Plastids are organelles present only in plant cells.
➤ They are absent in animal cells.
➤ Plastids contain their own DNA and ribosomes. -
Question 17 of 25
17. Question
Chloroplasts are responsible for
Correct
➤ Chloroplasts contain the green pigment chlorophyll.
➤ Chlorophyll captures solar energy for photosynthesis.
➤ Photosynthesis helps plants produce food (glucose).Incorrect
➤ Chloroplasts contain the green pigment chlorophyll.
➤ Chlorophyll captures solar energy for photosynthesis.
➤ Photosynthesis helps plants produce food (glucose). -
Question 18 of 25
18. Question
The green pigment present in chloroplast is
Correct
➤ Chlorophyll is the green pigment found in chloroplasts.
➤ It is responsible for absorbing light energy during photosynthesis.
➤ Chlorophyll molecules contain magnesium (Mg²⁺).Incorrect
➤ Chlorophyll is the green pigment found in chloroplasts.
➤ It is responsible for absorbing light energy during photosynthesis.
➤ Chlorophyll molecules contain magnesium (Mg²⁺). -
Question 19 of 25
19. Question
Chromoplasts are mainly responsible for
Correct
➤ Chromoplasts contain different pigments.
➤ They give colour to fruits and vegetables.
➤ Example: Lycopene in tomato, capsanthin in chilli.Incorrect
➤ Chromoplasts contain different pigments.
➤ They give colour to fruits and vegetables.
➤ Example: Lycopene in tomato, capsanthin in chilli. -
Question 20 of 25
20. Question
Cell division is important for
Correct
➤ Cell division produces new cells.
➤ It helps in growth of organisms.
➤ It replaces old, dead, and damaged cells.Incorrect
➤ Cell division produces new cells.
➤ It helps in growth of organisms.
➤ It replaces old, dead, and damaged cells. -
Question 21 of 25
21. Question
Mitosis occurs in
Correct
➤ Mitosis occurs in somatic (body) cells.
➤ It produces two identical daughter cells.
➤ It helps in growth, repair, and asexual reproduction.Incorrect
➤ Mitosis occurs in somatic (body) cells.
➤ It produces two identical daughter cells.
➤ It helps in growth, repair, and asexual reproduction. -
Question 22 of 25
22. Question
Meiosis produces
Correct
➤ Meiosis occurs in germ cells for gamete formation.
➤ It produces four haploid daughter cells (n).
➤ These cells are genetically different.Incorrect
➤ Meiosis occurs in germ cells for gamete formation.
➤ It produces four haploid daughter cells (n).
➤ These cells are genetically different. -
Question 23 of 25
23. Question
DNA replication occurs before
Correct
➤ DNA replication is the process of making an exact copy of DNA.
➤ It occurs before cell division.
➤ This ensures each daughter cell receives identical genetic information.Incorrect
➤ DNA replication is the process of making an exact copy of DNA.
➤ It occurs before cell division.
➤ This ensures each daughter cell receives identical genetic information. -
Question 24 of 25
24. Question
The base pairing rule in DNA is
Correct
➤ DNA follows the complementary base pairing rule.
➤ Adenine pairs with Thymine (A–T).
➤ Guanine pairs with Cytosine (G–C).Incorrect
➤ DNA follows the complementary base pairing rule.
➤ Adenine pairs with Thymine (A–T).
➤ Guanine pairs with Cytosine (G–C). -
Question 25 of 25
25. Question
Which of the following is a major difference between plant and animal cells?
Correct
➤ Plant cells contain chloroplasts for photosynthesis.
➤ Animal cells do not contain chloroplasts.
➤ Plant cells also have cell wall and large vacuoles, which are absent in animal cells.Incorrect
➤ Plant cells contain chloroplasts for photosynthesis.
➤ Animal cells do not contain chloroplasts.
➤ Plant cells also have cell wall and large vacuoles, which are absent in animal cells.