MENU
Question -

Even though a very few cells in a C4 plant carry out thebiosynthetic – Calvin pathway, yet they are highly productive. Can you discusswhy?



Answer -

Plant productivity canbe estimated by the rate at which photosynthesis takes place. The amount ofcarbon dioxide in a plant is directly proportional to the rate ofphotosynthesis. In Cplants, very few of the cells carry outthe biosynthetic pathway yet they are highly productive for the followingreasons.

  • They have a mechanism that increases the COconcentration at the site of enzyme.
  • Mesophyll cells are broken down in the bundle sheath cells that results in CO2 release which inturn increases the intracellular CO2 concentration .
  • Rubisco functions as a carboxylase minimizing the oxygenase activity.
  • Increase in photosynthesis make Cplants more productive.

Comment(S)

Show all Coment

Leave a Comment

Free - Previous Years Question Papers
Any questions? Ask us!
×