A. Primary producer
B. Consumer
C. Primary producer and consumer
D. None of the above
Related Mcqs:
- In an aquatic environment, microscopic animals and plants are collectively known:
A. Commensals
B. Herbivores
C. Fauna and flora
D. Planktons - Which of the following characterizes the biomass in an ecosystem?
A. The biomass of producers is less than the combined biomass of consumers and decomposers
B. No general statement can be made about relative biomass of different ecological groups
C. The biomass of secondary consumers is usually greater than the biomass of primary consumers
D. The biomass of producers is generally greater than the biomass of primary consumers - A plant, being eaten by a herbivore which in turn is eaten by a carnivore, makes a:
A. Food chain
B. Web of food
C. Biomass
D. Interdependence - The river mouth ecosystem is called:
A. Estuarine
B. Lotic
C. Lentic
D. None of these - The pyramid of biomass in a parasitic ecosystem is:
A. Upright
B. Inverted
C. Linear
D. Rhomboidal - The number of individuals of a species in a particular ecosystem at a given constant due to:
A. Man
B. Parasites
C. Predators
D. Available food - Ten percent law of energy transfer, in a food chain was enunciated by:
A. Elton
B. Heackel
C. Lindeman
D. Schimper - An ecosystem which can be easily damaged but can recover after sometime if damaging effect stops will be having:
A. High stability and low resilience
B. Low stability and low resilience
C. Low stability and high resilience
D. High stability and high resilience - Causes of accelerated erosion are:
A. Removal of the natural vegetation cover
B. Cultivation of land by crops which expose the soil to direct rain impact and runoff water
C. Both (a) & (b)
D. None of these - The irrigated plantations of the ______ are regenerated to a great extent by coppice:
A. Punjab
B. Sindh
C. Baluchistan
D. KPK