Removal of top soil by soil erosion result in the loss of soil:
A.Nitrites
B.Nitrates
C.Nitrogen
D.Nitric and nitrous acids
Category: MISCELLANEOUS Mcqs
As a source of power generation, windmills are still in use in some European countries, especially:
A.Poland
B.Finland
C.Holland
D.England
The symbiotic association in which one partner gains benefit without benefiting or harming the other is known as:
A.Commensalism
B.Lichen
C.Mutualism
D.None of these
Methane gas is produced during the scientific process of:
A.Hydrogenation
B.Pyrolysis
C.Bioconversion
D.Incineration
A striking example of ______ is that of a ruminant animal such as a cow and the bacteria that live in its gut:
A.Parasitism
B.Commensalism
C.Mutualism
D.None of these
Dams and canal networks developed for irrigation purposes in Pakistan and may other countries create the problem of:
A.Salinity and soil erosion
B.Soil depletion and water logging
C.Salinity and water logging
D.Soil erosion and depletion
The depleted soils can be enriched by the addition of:
A.More soil
B.Drugs
C.Chemical fertilizers
D.Cattle dung
Barnacles attached to the backs of whales and turtles, get a free ride to better riding places, in an example of:
A.Lichen
B.Mutualism
C.Commenalism
D.Mycorrhiza
Conservator of Forsts looks after proper management of a:
A.Forest circle
B.Working circle
C.Forest compartment
D.Felling series
Desertification is:
A.Spread of the desert
B.Control of the desert
C.Use of the desert for good of mankind
D.None of these
