biology : PYQs with Answers

During respiration, plants (like animals) absorb O₂ and release CO₂. This is the reverse of photosynthesis.

Scurvy is caused by deficiency of Vitamin C (ascorbic acid), leading to bleeding gums and weakness.

The cerebellum coordinates voluntary movements and is responsible for balance and posture.

The left ventricle pumps oxygenated blood into the aorta, from which it is distributed to the entire body.