A. copper
B. magnesium
C. iron
D. None of these
Submitted by: IMRAN LAKHA 546
Magnesium is a central metal which is a naturally occurring chelate compound for chlorophyll.
Related Mcqs:
- Chlorophyll molecule contrains __________ as central metal ion.
A. Fe2+
B. Mg2+
C. Zn2+
D. Cu2+ - Out of 92 naturally occurring chemical elements how many are considered as bio-elements?
A. 6
B. 16
C. 26
D. 15 - Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?
A. 6
B. 16
C. 26
D. 15 - Chlorophyll is a/an _____ molecule?
A. Inorganic
B. Cationic
C. Anionic
D. Organic - Which of the following is the empirical formula of chlorophyll b?
A. C55H70O5N4Mg
B. C55H72O6N4Mg
C. C55H70O6N4Mg
D. C55H72O5N4Mg - All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is___________?
A. True
B. False
C. May be true may be false
D. Unpredictable - PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?
A. 600
B. 650
C. 680
D. 700 - Chlorophyll is insoluble in_____________?
A. Carbon tetrachloride
B. Alcohol
C. Organic solvents
D. Water - Molecular formula of chlorophyll ‘a’ molecule is___________?
A. C55H72O5N4Mg
B. C55H70O6N4Mg
C. C50H72O6N4Mg
D. C55H70O5N4Mg - The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as___________?
A. Hydrophilic
B. Hydrophobic
C. Both of these
D. None of these
Advertisement