Environmental Science

------------- Addition through movement into a population

• Immigration

• emigration

___________is the population that can be supported indefinitely by an ecosystem without destroying that ecosystem

• Survivorship rate

• Carrying Capacity

Individual taking decision on the size of the family based on their income and lifestyle is

• positive Check

• Negative check

• Preventive Check

Demographic Transition theory is Developed by

• Thomson Malthus

• Warren Thompson

Elephants are examples of-------

• k strategies

• r strategies

• s strategies

According to the Millenium Assessment Report of 2005, -------% of Ecosystem services are either degraded or overexploited.

• 50

• 60

• 70

• 40

In Cryopreservation conservation of germplasm is done at a very low temperature of ------------degree celsius in liquid nitrogen

• - 10

• -76

• -196

• 0

Gulf of Mannar is an example for

• Botanical Garden

• National Park

• wildlife Sanctuary

• Biosphere Reserve

--------- zone of Biosphere Reserve limited human activity is permitted.

• Manipulation zone

• Core area

• Transition Zone

• Buffer Zone

Project Tiger was launched in the year

• 1973

• 1975

• 1970

• 1976