An ecological pyramid refers to the
a) pyramid of energy
b) pyramid of number
c) pyramid of biomass
d) all of these
When the oxide of nitrogen (NO, NO2) and sulphur interacts with water vapours then the acids produced are
a) acetic and citric acid
b) sulphuric and nitric acid
c) hydrochloric and nitric acid
d)sulphuric and citric acid
The process in which nitrates and nitrites are reduced to nitrogen gas by bacteria is………….
a) assimilation
b) denitrification
c) ammonification
d) nitrification
The relationship between rhizobium bacteria and leguminous plants is an example of
a) parasitism
b) mutualism
c) commensalism
d) none of these
Additional MCQs:
Choose the most likely CORRECT match pair in the following options given below…….
a) group of similar organisms: genus
b) group of similar organisms: species
c) group of similar organisms: community
d) group of similar organisms: population
