Question Bank (50 Questions and Answer)
1. Which of the following is a function of the smooth endoplasmic reticulum?
A) Protein synthesis
B) Lipid synthesis
C) ATP production
D) DNA replication
Answer: B) Lipid synthesis
2. What is the primary product of the light-dependent reactions of photosynthesis?
A) Oxygen
B) Glucose
C) ATP
D) NADPH
Answer: A) Oxygen
3. Which organelle is responsible for producing ATP in eukaryotic cells?
A) Nucleus
B) Mitochondrion
C) Ribosome
D) Golgi apparatus
Answer: B) Mitochondrion
4. What type of bond holds the two strands of DNA together?
A) Ionic bonds
B) Hydrogen bonds
C) Covalent bonds
D) Peptide bonds
Answer: B) Hydrogen bonds
5. Which of the following is a characteristic of prokaryotic cells?
A) Presence of a nucleus
B) Lack of membrane-bound organelles
C) Presence of mitochondria
D) Linear DNA
Answer: B) Lack of membrane-bound organelles
6. What is the role of ribosomes in a cell?
, A) Synthesizing proteins
B) Synthesizing lipids
C) Synthesizing DNA
D) Synthesizing RNA
Answer: A) Synthesizing proteins
7. Which of the following is a product of glycolysis?
A) Oxygen
B) Carbon dioxide
C) Pyruvate
D) Water
Answer: C) Pyruvate
8. What is the main function of the large central vacuole in plant cells?
A) Storage of water and nutrients
B) Protein synthesis
C) Photosynthesis
D) Cellular respiration
Answer: A) Storage of water and nutrients
9. Which pigment is primarily responsible for absorbing light energy in photosynthesis?
A) Chlorophyll
B) Carotene
C) Xanthophyll
D) Phycocyanin
Answer: A) Chlorophyll
10. Which of the following is a product of the Krebs cycle?
A) Glucose
B) Oxygen
C) Carbon dioxide
D) ATP
Answer: C) Carbon dioxide
11. What is the function of the Golgi apparatus?
A) Synthesizing proteins
B) Modifying and packaging proteins
C) Synthesizing lipids
D) Producing ATP
Answer: B) Modifying and packaging proteins