A. Yellow
B. Red
C. Orange
D. Green
Show AnswerAnswer= Option A
Biology
Chlorophylls are found embedded in the ______ membranes ?
A. Stroma.
B. Grana.
C. Thylakoid
D .Intergrana
Show AnswerAnswer= Option C
The dense fluid filled region in the chloroplast is
A. Grana
B. Stroma
C. Thylakoid
D. None of these
Show AnswerAnswer= Option B
In all plants the major sites of photosynthesis are ______?
A. Leaves respire and utilize O2 and release CO2.
B. Stems
C. Roots
D. Branches
Show AnswerAnswer= Option A
Thylakoids in chloroplasts are stacked into ______?
A. Grana
B. Stroma
C. Nucleus
D. None of these
Show AnswerAnswer= Option A
Light reaction takes place on/in _____?
A. Thylakoid
B. Storma
C. Chloroplast
D. Grana
Show AnswerAnswer= Option D
Which is the correct order of energy transfer from assessory pigments to main photosynthetic pigment?
A. Carotenoids ? Chlorophyll a ? Chlorophyll b.
B. Chlorophyll b ? Carotenoids ? Chlorophyll a.
C. Carotenoids ? Chlorophyll b ? Chlorophyll a.
D. Chlorophyll a ? Chlorophyll b ? Carotenoids.
Show AnswerAnswer= Option C
Which of the following pigment is Blue- green in color :
A. Chlorophyll a
B. Chlorophyll b.
C. Chlorophyll c
D. Chlorophyll d.
Show AnswerAnswer= Option A
Molecular formula of chlorophyll ‘a’ molecule is:
A. C55H72O5N4Mg
B. C55H70O6N4Mg
C. C50H72O6N4Mg
D. C55H70O5N4Mg
Show AnswerAnswer= Option A
Which of the following statement about the head of a chlorophyll molecule is incorrect :
A. It is a porphyrin ring or tetra pyrrole 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
Show AnswerAnswer= Option D