Man and Environment

Man and Environment
The kind of parasitism in which the parasite lived as a free organism and part of its life is only spent as a parasite is called
permanent mutualism
temporary parasitism
permanent parasitism
temporary mutualism
Author: rikazzz Comment
Man and Environment
Unwanted, unpleasant sounds are called
bad sounds
noise
unpleasant sounds
unwanted sounds
Author: rikazzz Comment
Man and Environment
The pH of acid rain is
3 to 5
4 to 6
3 to 9
3 to 6
Author: rikazzz Comment
Man and Environment
The current level of urbanization in Pakistan is about
0.3
0.34
0.35
0.32
Author: rikazzz Comment
Man and Environment
The thickness of biosphere of Earth (in kilometers) is about
35 kilometers
30 kilometers
20 kilometers
40 kilometers
Author: rikazzz Comment
Man and Environment
The representation of the total number of individuals for per unit area at different trophic levels graphically is classified as
pyramid of numbers
pyramid of primary consumers
pyramid of biomass
pyramid of decomposers
Author: rikazzz Comment
Man and Environment
A group of the organism of same species at the same place and the same time is
individual
ecosystem
community
population
Author: rikazzz Comment
Man and Environment
Considering ecosystem components, the ones that depend on consumers and cannot make their food are called
consumers
producers
decomposers
detritivores
Author: rikazzz Comment
Man and Environment
Sewage is one of the major pollutants of
land
air
water
soil
Author: rikazzz Comment
Man and Environment
The chlorine, smoke, dust, cotton, and nitrogen oxides are pollutants released by
fertilizer industries
thermal industries
textile industries
steel industries
Author: rikazzz Comment

Go to Page