A. Lichen
B. Mutualism
C. Commensalism
D. Mycorrhiza
Related Mcqs:
- Himalayan foothills and the Potwar region including ______ are covered with the scrub forests which have been reduced to scanty growth at most of the places:
A. Salt Range
B. Kala Chitta Range
C. Both (a) & (b)
D. None of these - Mark the free floating hydrophyte:
A. Sagittaria
B. Typha
C. Najas
D. Spirodela - In Minimata Bay, Japan, which of the following animals remained free from Minimata disease?
A. Dogs
B. Pigs
C. Cats
D. Rabbits - Free thinning is:
A. The attention is concentrated still further on the selection of the stems evenly spaced over the ground
B. Which are to be retained to maturity or till the last thinning or two
C. Both (a) & (b)
D. None of these - Dominant tree: Including all trees which form the upper most leaf canopy and have their leading shoots free. These are usually sub-divided into:
A. Predominant trees comprising all the largest trees which determine the general top level of the canopy
B. Codominant trees which fall short of this, averaging about 5/6th of the height of predominant
C. Trees with forked leader and similar defects
D. All of the above - People taking food adequate in calories but deficient in protein may suffer from:
A. Malformation
B. Malfunction
C. Malnutrition
D. Undernourishment - Hydroelectric power is the electric power generated by the energy of:
A. Flowing water
B. River water
C. Dam water
D. Falling water - The depleted soils can be enriched by the addition of:
A. More soil
B. Drugs
C. Chemical fertilizers
D. Cattle dung - 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 - 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
The correct answer to the question: "Barnacles attached to the backs of whales and turtles, get a free ride to better riding places, in an example of:" is "Commensalism ".