Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
• [Assertion (A):] Methane is the major gas generated during anaerobic digestion of organic materials.
• [Reason (R):] Methanotrophs are the key players in anaerobic digestion of organic matter. In light of the above statements, choose the correct answer from the options given below.
Given below are two statements, one is labelled as Assertion (A) and other labelled as Reason (R).
• [Assertion (A):] Inoculated Azospirillum culture did not show growth in Nitrogen free malate broth incubated at 37 °C under shaking conditions.
• [Reason (R):] Azospirillum requires microaerophilic conditions for nitrogen fixation. Aerobic conditions inhibit nitrogen fixation.
In light of the above statements, choose the correct answer from the options given below.
Given below are two statements:
• [Statement (I):] First generation bioethanol is produced from sugar, starch and vegetable oils.
• [Statement (II):] Second generation biofuels are derived from Algae.
In light of the above statements, choose the most appropriate answer from the options given below.