The first step in photosynthesis is
Ionisation of water
Fixation of co2
Excitation of chlorophyll-a due to light
Formation of ATP
The light depended splitting of water molecules is called
Oxidation
Hydrolysis
Photolysis
Reduction
The pigment molecules which lie around the reaction centre are called
Antenna molecules
Core molecules
Both of these
None of these
The reaction centre of the P.S II is
P680
P700
P800
P850
Which organelle is considered to be cellular site of photorespiration ?
Peroxisomes.
Mitochondria.
Chloroplast.
Oxisomes.
Photolysis is needed for the supply of
Electrons
Protons
Neutrons
Both Electrons and protons
The empirical formula of chla
C55 H70 O2 N4 Mg
C55 H72 O5 N4 Mg
C50 H70 O5 N4 Mg
C55 H77 O5 N4 Mg