Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

Related MCQs

• Which of the following statements regarding species interdependence are true? A) An association of two species where one is benefitted and other remains unaffected called mutualism B) An interspecific association where both partners derive benefit from each other is called commensalism C) A direct food relation between two species of animals in which one animals kills and feed on another is referred as predation D) A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis.
• Upper layer of water in a single body of water is known as
• Which of the following is mainly responsible for the extinction of wild life
• The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
• Carbon mono oxide is a pollutant because
• The lower limit of water availability is soil is known as
• Minamata disease was caused by pollution of water by
• Drinking of fluoride containing water results :
• The cutting down of trees and setting them on fire and raising crops on the resulting ash is called:
• An association between two individuals or populations where both are benefitted and where neither can survive without the other is