Exemplar Problems

Question:

Cyclic process is occurring in a C3 plant, which is light-dependent and needs O2. This process doesn’t produce energy rather it consumes energy.

a. Can you name the given process?

b. Is it essential for survival?

c. What are the end products of this process?

d. Where does it occur?

Answer:

(a) Photorespiration

(b) Not essential for survival.

(c) H2o2, CO2 and NH3

(d) Three organelles are involved: chloroplast, mitochondria and peroxisome.