Question 1
Open questionDeficiency of Vitamin D causes which disease?
A: Scurvy
B: Rickets
C: Night blindness
D: Beriberi
Answer and explanation
Correct Answer: B — B: Rickets
Lack of Vitamin D leads to rickets in children.
ObjectiveMCQ
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Question 1
Open questionDeficiency of Vitamin D causes which disease?
A: Scurvy
B: Rickets
C: Night blindness
D: Beriberi
Correct Answer: B — B: Rickets
Lack of Vitamin D leads to rickets in children.
Question 2
Open questionWhich gas is released during photosynthesis?
A: Carbon dioxide
B: Oxygen
C: Nitrogen
D: Hydrogen
Correct Answer: B — B: Oxygen
Photosynthesis releases oxygen (O₂).
Question 3
Open questionWhich enzyme is responsible for the digestion of proteins in the stomach?
A: Amylase
B: Lipase
C: Pepsin
D: Trypsin
Correct Answer: C — C: Pepsin
Pepsin breaks down proteins into smaller peptides.
Question 4
Open questionWhich organelle is known as the powerhouse of the cell?
A: Nucleus
B: Mitochondria ✓
C: Ribosome
D: Lysosome
Correct Answer: B — B: Mitochondria ✓
Mitochondria are called the powerhouse of the cell because they generate ATP energy.