Photosynthesis In Higher Plants Question 83

Question: Which of the following bacteria grow on isopropyl alcohol and convert it into acetone

Options:

A) Fermentative bacteria

B) Chemosynthetic bacteria

C) Photosynthetic purple non-sulphur bacteria

D) Nitrifying bacteria

Show Answer

Answer:

Correct Answer: C

Solution:

Purple non-sulphur bacteria contain purple pigment bacteriochlorophyll and carry on photosynthesis in presence of simple organic compounds like organic acids and alcohol e.g., Rhodospirillum rubrum.

$ 2CH_3CHOHCH_3+CO_2\xrightarrow{Sunlight} $ $ (CH_2O)+2CH_3COCH_3+H_2O $