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

Related Mcqs:

1. Molecular formula of chlorophyll b is_____________?

   A. C55 H10 O4 N6 Mg
   B. C55 H70 O6 N5 Mg
   C. C55 H71 O6 N4 Mg
   D. C55 H70 O6 N4 Mg

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

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

3. On which of the following component of chloroplast chlorophyll is arranged?

   A. Cell membrane
   B. Matrix
   C. Thylakoids
   D. Stroma

4. 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

5. Chlorophyll molecule contrains __________ as central metal ion.

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

6. Chlorophyll is a/an _____ molecule?

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

7. 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

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

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

9. Chlorophyll is insoluble in_____________?

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

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

    A. copper
    B. magnesium
    C. iron
    D. None of these

    Submitted by: IMRAN LAKHA 546