Which of the following statement about the head of a chlorophyll molecule is incorrect?
(A) It is a porphyrin ring or tetrapyrrole ring structure
(B) It is flat, square and light absorbing
(C) Composed of carbon and nitrogen atoms with Magnesium as central metal ion, which is coordinated with nitrogen.
(D) It is hydrophobic
Of the following, which one causes higher production of food in green plants?
(A) Blue
(B) Orange
(C) Red
(D) Violet
Chlorophyll is insoluble in_____________?
(A) Carbon tetrachloride
(B) Alcohol
(C) Organic solvents
(D) Water
First Actions spectrum was obtained by using__________?
(A) Algae
(B) Fungi
(C) Bacteria
(D) Spirogyra
Chlorophylls are found embedded in the __________ membranes?
(A) Stroma
(B) Grana
(C) Thylakoid
(D) Intergrana
The dense fluid filled region in the chloroplast is____________?
(A) Grana
(B) Stroma
(C) Thylakoid
(D) None of these
Photosystem II has molecules which absorbs maximum light of___________?
(A) 680 nm
(B) 100 m
(C) 700 nm
(D) 670 nm
In all plants the major sites of phosynthesis are___________?
(A) Leaves respire and utilize O2 and release CO2.
(B) Stems
(C) Roots
(D) Branches