How maany nitrogen
containing pyrole rings are to Mg atom in chlorophyll?
a) two
b) three
c) four
d) five
Explanation: these four rings are collectively called porphyrin
Chlorophyll “a” and “b” differ from each other in in only one functional group attached to porphyrin. Cholophyll “a” has………
a) methyl
b) corobonyl
c) corboxyl
d) amino
Explanation: methyl group= -CH3
Chlorophyll “a” and “b” differ from each other in in only one functional group attached to porphyrin. Cholophyll “a” has
a) methyl
b) corobonyl
c) corboxyl
d) amino
Explanation: corbonyl group = -CHO
What is the empirical formula of chlorophyl “a”?
a) C55H70O5N4Mg
b) C55H72O5N4Mg
c) C55H70O5N5Mg
d) C55H70O6N4Mg
What is the empirical formula of chlorophyl “a”?
a) C55H70O5N4Mg
b) C55H72O5N4Mg
c) C55H70O5N5Mg
d) C55H70O6N4Mg
Carotenoids protect chlorophyll from…
a) intense light
b) oxidation by oxygen
c) humidity
d) both a and b
