Q1. What is the basic unit of life?
Correct: Cell
The cell is the smallest unit of life.
Q2. Which organ pumps blood in the human body?
Correct: Heart
The heart pumps blood.
Q3. Which gas is used in respiration?
Correct: Oxygen
Oxygen is required for respiration.
Q4. What is the powerhouse of the cell?
Correct: Mitochondria
Mitochondria produce energy.
Q5. Which part of plant makes food?
Correct: Leaf
Leaves perform photosynthesis.
Q6. What is the green pigment in plants?
Correct: Chlorophyll
Chlorophyll absorbs sunlight.
Q7. Which vitamin is produced in skin by sunlight?
Correct: Vitamin D
Sunlight helps produce Vitamin D.
Q8. What carries oxygen in blood?
Correct: Hemoglobin
Hemoglobin carries oxygen.
Q9. Which organ filters blood?
Correct: Kidney
Kidneys filter waste from blood.
Q10. What is the largest organ in human body?
Correct: Skin
Skin is the largest organ.
Page 1 of 10