Explore topic-wise MCQs in Biotechnology.

Which of the following bacteria genus is capable of oxidizing ammonia (NH₄)?

A group of about 300 chlorophyll molecule acting together to trap photons and transfer energy to the pigment molecule at the reaction center may be called as

An organism that relies exclusively on pre-synthesized food molecules is

Which of the following molecule is produced from the fixation of CO₂ in C4 plants?

Plants absorb nitrates from soil and convert them into

In the presence of carbon monoxide, nitrogen fixation

A major plant macronutrient found in nucleic acids and proteins is

What is the metal ligand in chlorophylls?

Nitrosomonous and Nitrobacter obtain their carbon for growth from

Organisms capable of converting N₂ to NO₃ are

The chief source of nitrogen for green plants is

During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately

Chlorophyll is associated with

Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?

What type of long chain alcohol is esterified to plant chlorophyll molecules?

In the Calvin cycle of C3 plants, which molecule is the acceptor of CO₂?