A. Gross primary production
B. Net primary production
C. Gross primary production minus respiratory loss
D. Both b and c
Show AnswerAnswer = Option D
Ecosystem
Gross primary production is
A. Amount of energy fixed by small plants
B. Amount of energy fixed by large plants
C. Total amount of energy fixed by all plants \
D. Primary production minus respiratory loss
Show AnswerAnswer = Option C
Oxidation of ammonia or ammonium ions by bacteria in soil is called
A. Nitrification
B. Ammonification
C. Assimilation
D. Denitrification
Show AnswerAnswer = Option A
Nitrogen constitutes about ______ % of atmosphere
A. 58%
B. 25%
C. 10%
D. 78%
Show AnswerAnswer = Option D
Over grazing leads to
A. Good pastured lands
B. Rocky areas
C. Totally barren lands
D. Salinity
Show AnswerAnswer = Option C
Sharks may have small fish attached to them called
A. Rumors
B. Romas
C. Romosis
D. Remoras
Show AnswerAnswer = Option D
Symbiosis relationship in which only one organism is benefited is
A. Symbiosis
B. Commensalism
C. Mutualism
D. Unism
Show AnswerAnswer = Option B
A dual organism composed of symbiotic association of an alga living within a fungus myceliium is
A. Mycorrhiza
B. Rhizobium
C. Lichen
D. Legume
Show AnswerAnswer = Option C
Legume plants are the hosts to
A. Rhizobium
B. Mycorrhiza
C. Lichen
D. Algae
Show AnswerAnswer = Option A
Disease in living organisms caused by parasites is called
A. Parasitism
B. Infestation
C. Predation
D. Infection
Show AnswerAnswer = Option B