Q31. Which organelle makes proteins?
Correct: Ribosome
Ribosomes synthesize proteins.
Q32. Which vitamin is good for eyes?
Correct: Vitamin A
Vitamin A supports vision.
Q33. What is the fluid part of blood?
Correct: Plasma
Plasma is liquid part.
Q34. Which chamber of heart pumps oxygenated blood?
Correct: Left ventricle
Left ventricle pumps oxygenated blood.
Q35. What is the unit of heredity?
Correct: Gene
Gene is unit of heredity.
Q36. Which organ helps in digestion of proteins?
Correct: Stomach
Stomach digests proteins.
Q37. What is the site of photosynthesis?
Correct: Chloroplast
Chloroplast performs photosynthesis.
Q38. Which structure connects fetus to mother?
Correct: Placenta
Placenta connects fetus.
Q39. Which part carries messages in neuron?
Correct: Axon
Axon transmits impulses.
Q40. Which organ removes carbon dioxide?
Correct: Lungs
Lungs remove CO2.
Page 4 of 10