Q. What is the function of the lysosome?
-
A.
Energy production
-
B.
Digestion of waste materials
-
C.
Protein synthesis
-
D.
Photosynthesis
Solution
Lysosomes contain enzymes that break down waste materials and cellular debris.
Correct Answer:
B
— Digestion of waste materials
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Q. What is the primary component of the cell wall in plant cells?
-
A.
Cellulose
-
B.
Chitin
-
C.
Peptidoglycan
-
D.
Lipid
Solution
The cell wall of plant cells is primarily made of cellulose, providing structural support.
Correct Answer:
A
— Cellulose
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Q. What is the primary function of the cell membrane?
-
A.
To provide energy to the cell
-
B.
To control the movement of substances in and out of the cell
-
C.
To store genetic information
-
D.
To synthesize proteins
Solution
The cell membrane regulates what enters and exits the cell, maintaining homeostasis.
Correct Answer:
B
— To control the movement of substances in and out of the cell
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Q. What is the role of ribosomes in a cell?
-
A.
Energy production
-
B.
Protein synthesis
-
C.
DNA replication
-
D.
Cell division
Solution
Ribosomes are the sites of protein synthesis, translating mRNA into polypeptide chains.
Correct Answer:
B
— Protein synthesis
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Q. What is the role of the endoplasmic reticulum?
-
A.
Energy production
-
B.
Synthesis of lipids and proteins
-
C.
Storage of genetic information
-
D.
Cell division
Solution
The endoplasmic reticulum is involved in the synthesis of lipids and proteins.
Correct Answer:
B
— Synthesis of lipids and proteins
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Q. What is the role of the Golgi apparatus in the cell?
-
A.
Energy production
-
B.
Modification and packaging of proteins
-
C.
Cell division
-
D.
Photosynthesis
Solution
The Golgi apparatus modifies, sorts, and packages proteins for secretion or use within the cell.
Correct Answer:
B
— Modification and packaging of proteins
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Q. What structure is responsible for protein synthesis?
-
A.
Lysosome
-
B.
Ribosome
-
C.
Golgi apparatus
-
D.
Chloroplast
Solution
Ribosomes are the sites of protein synthesis in the cell.
Correct Answer:
B
— Ribosome
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Q. What structure is selectively permeable and surrounds the cell?
-
A.
Cell wall
-
B.
Cytoplasm
-
C.
Cell membrane
-
D.
Nucleus
Solution
The cell membrane is selectively permeable, allowing certain substances to pass while blocking others.
Correct Answer:
C
— Cell membrane
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Q. Which of the following is a function of the endoplasmic reticulum?
-
A.
Energy production
-
B.
Synthesis of lipids and proteins
-
C.
Storage of genetic information
-
D.
Cell division
Solution
The endoplasmic reticulum is involved in the synthesis of lipids and proteins.
Correct Answer:
B
— Synthesis of lipids and proteins
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Q. Which of the following is a function of the plasma membrane?
-
A.
Energy production
-
B.
Regulation of cell division
-
C.
Selective permeability
-
D.
Protein synthesis
Solution
The plasma membrane is selectively permeable, controlling the entry and exit of substances.
Correct Answer:
C
— Selective permeability
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Q. Which of the following is NOT a function of the smooth endoplasmic reticulum?
-
A.
Lipid synthesis
-
B.
Detoxification of drugs
-
C.
Protein synthesis
-
D.
Calcium ion storage
Solution
The smooth endoplasmic reticulum is involved in lipid synthesis, detoxification, and calcium storage, but not protein synthesis.
Correct Answer:
C
— Protein synthesis
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Q. Which of the following structures is involved in the synthesis of ribosomal RNA?
-
A.
Nucleus
-
B.
Ribosome
-
C.
Golgi apparatus
-
D.
Endoplasmic reticulum
Solution
The nucleolus, located within the nucleus, is responsible for synthesizing ribosomal RNA.
Correct Answer:
A
— Nucleus
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Q. Which organelle is found only in plant cells and is responsible for photosynthesis?
-
A.
Mitochondria
-
B.
Chloroplast
-
C.
Ribosome
-
D.
Lysosome
Solution
Chloroplasts contain chlorophyll and are responsible for converting sunlight into energy through photosynthesis.
Correct Answer:
B
— Chloroplast
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Q. Which organelle is found only in plant cells?
-
A.
Mitochondria
-
B.
Chloroplast
-
C.
Ribosome
-
D.
Nucleus
Solution
Chloroplasts are the organelles responsible for photosynthesis and are found only in plant cells.
Correct Answer:
B
— Chloroplast
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Q. Which organelle is involved in the synthesis of ribosomal RNA?
-
A.
Nucleus
-
B.
Nucleolus
-
C.
Rough endoplasmic reticulum
-
D.
Golgi apparatus
Solution
The nucleolus is responsible for synthesizing ribosomal RNA (rRNA) and assembling ribosomes.
Correct Answer:
B
— Nucleolus
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Q. Which organelle is responsible for energy production in the cell?
-
A.
Nucleus
-
B.
Ribosome
-
C.
Mitochondria
-
D.
Endoplasmic Reticulum
Solution
Mitochondria are known as the powerhouse of the cell, where ATP is produced through cellular respiration.
Correct Answer:
C
— Mitochondria
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Q. Which organelle is responsible for producing ATP?
-
A.
Nucleus
-
B.
Ribosome
-
C.
Mitochondria
-
D.
Endoplasmic Reticulum
Solution
Mitochondria are known as the powerhouse of the cell, where ATP is produced through cellular respiration.
Correct Answer:
C
— Mitochondria
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Q. Which part of the cell is responsible for packaging and modifying proteins?
-
A.
Golgi apparatus
-
B.
Lysosome
-
C.
Nucleus
-
D.
Mitochondria
Solution
The Golgi apparatus modifies, sorts, and packages proteins for secretion or delivery to other organelles.
Correct Answer:
A
— Golgi apparatus
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Q. Which structure is found in plant cells but not in animal cells?
-
A.
Cell membrane
-
B.
Mitochondria
-
C.
Chloroplasts
-
D.
Ribosomes
Solution
Chloroplasts are found in plant cells and are responsible for photosynthesis, while animal cells do not have them.
Correct Answer:
C
— Chloroplasts
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Q. Which structure is found only in plant cells?
-
A.
Mitochondria
-
B.
Chloroplast
-
C.
Nucleus
-
D.
Ribosome
Solution
Chloroplasts are the organelles responsible for photosynthesis and are found only in plant cells.
Correct Answer:
B
— Chloroplast
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Q. Which structure is involved in the modification and packaging of proteins?
-
A.
Nucleus
-
B.
Golgi apparatus
-
C.
Ribosome
-
D.
Endoplasmic Reticulum
Solution
The Golgi apparatus modifies, sorts, and packages proteins for secretion or use within the cell.
Correct Answer:
B
— Golgi apparatus
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