The micro-organism which is capable of converting sugar into alcohol and carbon dioxide is :
(a) bacterium (b) fungus (c) alga (d) protozoan
Streptococcus, Lactobacillus, and Bacillus, (a) bacterium
Which of the following is the correct statement? (a) heterotrophs synthesise their own food (b) heterotrophs utilize solar energy for photosynthesis (c) heterotrophs do not synthesise their own food (d) heterotrophs are capable of converting carbon dioxide and water into carbohydrates
Alcohol can be converted into vinegar by the action of micro-organisms called:
(a) viruses (b) yeast (c) protozoa (d) bacteria