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
Differentiate between Chlorophyll ‘a’ and Chlorophyll ‘b’ :

 Chlorophyll ‘a’ Chlorophyll ’b’ 1. Molecular formula is C55 H72 O5 N4 Mg. Molecular formula is C55 H70 O6 N4 Mg. 2. It is bluish green in colour. It is olive green in colour. 3. It is universal and found in lower and higher plants except bacteria. 3. It is found only in higher plants. 4. It has methyl group attached to the third carbon of porphyrin head. 4. It has –CHO group attached to the third carbon atom of porphyrin head.
177 Views

Name the first stable compound formed in C3 cycle.

3-phosphoglyceric acid (PGA)
1606 Views

What is stroma ?

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

Where CO2 assimilation occurs in CPlants ?

In bundle sheath cells.
766 Views

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.
842 Views

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.
710 Views