The most plausible hypothesis to explain why species richness is higher in tropical than in temperate regions is that

 A) tropical communities are older.

 B) tropical regions generally have more available water and higher levels of solar radiation.

 C) higher temperatures cause more rapid speciation.

 D) diversity increases as evapotranspiration decreases.

#Question id: 10336

#Unit 6. System Physiology – Plant

methemoglobinemia, a disease, What will cause inside the human body?

#Question id: 10337

#Unit 6. System Physiology – Plant

In biological nitrogen fixation, the process of nitrification by organism respective bacteria A--which convert the ammonia to nitrite and B--- further converted into nitrate in the soil by their respective A and B bacteria known as;

#Question id: 10338

#Unit 6. System Physiology – Plant

Nitrate from the soil solution actively absorb by Plant roots via several low- and high-affinity transporters known as

#Question id: 10340

#Unit 6. System Physiology – Plant

There several charecteristics of nitrate reductase, which of the following properties of nitrate reductase is incorrect?

#Question id: 10341

#Unit 6. System Physiology – Plant

The accumulation of nitrate that results from diminished nitrate reductase activity, this symptoms is caused by

#Question id: 10343

#Unit 6. System Physiology – Plant

In many plants, nitrate is assimilated in the root as well as in the shoot according to their native place. Some of the given statements about nitrate assimilation;

a) If plants native to temperate region assimilate NO3^- at root

b) If plants native to temperate region assimilate NO3^- at shoot

c) Plants native to tropical or subtropical region assimilate NO3^- at root

d) Plants native to tropical or subtropical region assimilate NO3^- at shoot

Which of the following combination from above statements is correct?