Biological Classification Question 24
24. How many organisms in the list given below are autotrophs?
(a) Four
(b) Five
(c) Six
(d) Three
Show Answer
Answer : c
Hints & Solutions
(c) Autotrophs are those organisms that are able to make energy-containing organic molecules from inorganic raw material by using basic sunlight. Nostoc, Chara, Porphyra and Wolffia are photoautotrophs while Nitrosomonas and Nitrobacter are chemoautotrophs.