An organism that relies exclusively on pre-synthesized food molecules is prokaryotic autotrophic photosynthetic heterotrophic TRUE ANSWER : ? YOUR ANSWER : ?
What is the metal ligand in chlorophylls? Iron (Fe) Copper (Cu) Magnesium (Mg) Manganese (Mn) TRUE ANSWER : ? YOUR ANSWER : ?
During nitrogen fixation the enzyme nitrogenase catalyse the reaction. The reaction is high energy demanding which require approximately 18 ATP 12 ATP 25 ATP 7 ATP TRUE ANSWER : ? YOUR ANSWER : ?
The chief source of nitrogen for green plants is atmospheric nitrogen low molecular weight- organic nitrogenous compound nitrates ammonium salts TRUE ANSWER : ? YOUR ANSWER : ?
Plants absorb nitrates from soil and convert them into ammonia none of these urea nitrogen TRUE ANSWER : ? YOUR ANSWER : ?
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 harvesting unit reaction center chloromass photosynthetic unit TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere? Moulds Bacteria Algae Nematodes TRUE ANSWER : ? YOUR ANSWER : ?
Organisms capable of converting N2 to NO3 are yeasts bacteria roundworms moulds TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following molecule is produced from the fixation of CO2 in C4 plants? Oxaloacetate Malate Alpha-ketoglutarate Pyruvate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following bacteria genus is capable of oxidizing ammonia (NH4)? Nitrosobacter Nitrobacter Nitrosococcus Nitrospina TRUE ANSWER : ? YOUR ANSWER : ?