All food chains starts with ______________ and ends with decay.
A. Environment
B. Organisms
C. Photosynthesis
D. Fungi
Author: Aroma Ann
Study of inter-relationship between organisms and their environment is ____________.
A. Ecology
B. Ecosystem
C. Phytogeography
D. Ethology
Meteorology is considered a branch of ____________.
A. Mineralogical sciences
B. Phenology
C. Phrenology
D. Atmospheric sciences
Organisms that feed upon other living organisms as a source of energy and nutrients are called as _____________.
A. Producers
B. Consumers
C. Pests
D. Decomposers
Which of the following processes acts to remove carbon dioxide from the atmosphere?
A. Lightning
B. Deforestation
C. Photosynthesis
D. Burning fossil fuels
Which of the following spatial units is the largest in terms of scale?
A. River segments
B. Mesohabitats
C. Patches
D. River reaches
The presence of which is necessary for photosynthesis?
A. Chloroform
B. Chlorophyll
C. Phosphorus
D. Polymer
Eutrophication results from ____________.
A. Agricultural and sewage water
B. Vehicle exhaust
C. Pesticides
D. Industrial effluents
Nuclear accidents mostly release radioactive _____________ into the atmosphere.
A. Carbon
B. Iodine
C. Phosphorus
D. Sulphur
Earth summit was held in ____________.
A. Stockholm in 1972
B. Rio de Jeneiro in 1992
C. Paris in 1992
D. New York in 1972
