### Chapter Chosen

Photosynthesis in Higher Plants

### Book Store

Currently only available for.
CBSE Gujarat Board Haryana Board

### Previous Year Papers

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for.
Class 10 Class 12

Proton gradient is the establishment of concentration difference of protons across a semipermeable membrane which helps in the synthesis of ATP both in respiration and photosynthesis.

What are grana ?

Grana are the stacks of thylakoids embedded in the stroma of a chloroplast. They are the sites of light reaction of photosynthesis.

What is stroma ?

Stroma is matrix or the cytoplasm of chloroplast where dark reaction of photosynthesis takes place.

Where CO2 assimilation occurs in CPlants ?

In bundle sheath cells.

Why Rubisco is not affected by O2 in C4 plants ?

O2 is formed in mesophyll cells while Rubisco is present in bundle sheath cells. Therefore Rubisco does not come in contact with O2 and is thus not affected by it.

Name the first stable compound formed in C3 cycle.

3-phosphoglyceric acid (PGA)

Do a good deed today
Refer a friend to Zigya