Ecology

Q: 'Niche' refers to:

(a) :  Place of living
(b) :  Type of food
(c) :  Place of living and type of food
(d) :  Food and movement
(e) :  None of the Above
Answer:  Place of living and type of food
Explanation:  

Q: The flow of energy in ecosystem is:

(a) :  Unidirectional
(b) :  Bi-directional
(c) :  Multidirectional
(d) :  All of above
(e) :  None of the Above
Answer:  Unidirectional
Explanation:  

Q: Agroecology relates:

(a) :  Crops and productivity
(b) :  Crops and environment
(c) :  Crop productivity and physiology
(d) :  Crop resistance to climate chnages
(e) :  None of the Above
Answer:  Crops and environment
Explanation:  

Q: Which one of the following strongly threatens the biodiversity ?

(a) :  Fragile ecosystem such as mangroves and wetlands
(b) :  Inaccessible habitates in hamalyas
(c) :  Destruction of natursal habitat and vegetation and shifting cultivation
(d) :  Creation of biosphere reserves
(e) :  None of the Above
Answer:  Destruction of natursal habitat and vegetation and shifting cultivation
Explanation:  

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