Chlorophyll is a naturally occurring chelate compound in which central metal is

Related Mcqs:

1. Chlorophyll molecule contrains __________ as central metal ion.

   A. Fe2+
   B. Mg2+
   C. Zn2+
   D. Cu2+

2. Out of 92 naturally occurring chemical elements how many are considered as bio-elements?

   A. 6
   B. 16
   C. 26
   D. 15

3. Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?

   A. 6
   B. 16
   C. 26
   D. 15

4. Chlorophyll is a/an _____ molecule?

   A. Inorganic
   B. Cationic
   C. Anionic
   D. Organic

5. Which of the following is the empirical formula of chlorophyll b?

   A. C55H70O5N4Mg
   B. C55H72O6N4Mg
   C. C55H70O6N4Mg
   D. C55H72O5N4Mg

6. 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

7. PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?

   A. 600
   B. 650
   C. 680
   D. 700

8. Chlorophyll is insoluble in_____________?

   A. Carbon tetrachloride
   B. Alcohol
   C. Organic solvents
   D. Water

9. Molecular formula of chlorophyll ‘a’ molecule is___________?

   A. C55H72O5N4Mg
   B. C55H70O6N4Mg
   C. C50H72O6N4Mg
   D. C55H70O5N4Mg

10. 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