Ecological Principles Practice Test | CSIR UGC NET JRF Life Sciences Exam

1.A general increase in the average body mass of animal population within a species with latitude is known as
Allen's rule
Allee effect
Bergmann's rule
Hamilton's rule

2.The characteristics survivorship curve III is shown by
Birds
Humans
Pelagic fishes
Fruit flies

3.Among the following which combination shows positive relationship?
Generation time and animal Size
Generation time and intrinsic rate of growth
Animal size and number of offspring
Longevity and number of offspring

4.The Hutchinsonian concept of ecological niche is based on
microhabitat occupied
multidimensional hypervolume
role played in the ecosystem
a combination of role played and microhabitat occupied

5.Characteristic feature of K selected species is
High intrinsic rate of growth
small size and large number of offspring
First reproduction at later stage of life
Short life span

6.Which statement is correct for r selected species?
Large number of progeny with large size
Large number of progeny with small size
Small number of progeny with large size
Small number of progeny with small size

7.Positive-Negative type of interaction (+-) type of interaction is seen in
Predation, Parasitism
Predation, Commensalisms
Parasitism, Mutualism
Mutualism, protocoperation

8.Maximum biodiversity occurs at
Tropics
Poles
Equator
Temperate

9.Which of the following is characteristic feature of climax community
Simple food chain
High resilience
High producityivity
Narrow niche width

10.The utilization or consumption efficiency of herbivores is highest in
Plankton communities of ocean waters
mature temperate forests
managed grasslands
managed rangelands

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