Ecology

81.Wetlands as an ecological system are useful for which of the following?
 
A. for nutrient recovery and cycling
 
B. To release heavy metals through absorption by plants
 
C. Sediment stop to reduce siltation of rivers
 
D. for all of the above
 
Option”D” is correct
82.Which of the following is not correctly matched?
 
A. Govind Ballabh Pant Institute of Himalayan Environment and Development – Almora
 
B. Wildlife Institute of India – Dehradun
 
C. Indian Institute of Forest Management – Kolkata
 
D. Center for Ecological Sciences – Bangalore
 
Option”C” is correct
83.In which of the following countries the Global Atmospheric Monitoring Station has not been set up to collect data on world temperatures?
 
A. algeria
 
B. in Brazil
 
C. in kenya
 
D. in India
 
Option”D” is correct
84.Which of the following statement is correct?
 
A. The flow of energy in the biospheric ecosystem is unidirectional
 
B. The flow of energy in the biospheric ecosystem is cyclic.
 
C. The relative loss of energy decreases with increasing trophic level in a natural ecosystem.
 
D. Species become less efficient at consuming available energy with progressively increasing trophic levels.
 
Option”A” is correct
85.Which of the following is not a green house gas?
 
A. carbon dioxide
 
B. Methane
 
C. nitrous oxide
 
D. nitrogen
 
Option”D” is correct
86.Which of the following is not correct about ecosystem?
 
A. It contains both inorganic and organic components
 
B. it has its own productivity
 
C. it is a closed system
 
D. It is a natural resource system
 
Option”C” is correct
87.Humans are in the food chain
 
A. A manufacturer
 
B. primary consumer only
 
C. secondary consumers only
 
D. primary and secondary consumers
 
Option”D” is correct
88.Which of the following make up the food chain?
 
A. grass, wheat and mango
 
B. grass, goat and human
 
C. goat, cow and elephant
 
D. grass, fish and goat
 
Option”B” is correct
89.Where is the Center for Ecology located?
 
A. New Delhi
 
B. Allahabad
 
C. Karnal
 
D. Bangalore
 
Option”D” is correct
90.On which day ‘World Environment Day’ is celebrated?
 
A. 7th April
 
B. August 6
 
C. June 5
 
D. June 16
 
Option”C” is correct
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