MDCAT Biology Chapter 8 MCQ's Test With Answers

MDCAT Biology Chapter 8 MCQ's Test

Sr. # Questions Answers Choice
1 Green photosynthetic plants are Producers Consumers Decomposers None of the above
2 Which of the following is not a biotic component Producers Consumers Decomposers Water
3 Which of the following is not an abiotic component Atmosphere Hydrosphere Lithosphere Producers
4 Biosphere is spread out over the surface of planet earth extending about ______ kilometers in the upper reaches of atmosphere and also in same distance into the depths of oceans 8 - 10 8 - 12 8 - 14 8 - 16
5 ______ components include all living organisms including plants and animals supported by biosphere Biotic Abiotic Physical Both a and b
6 The synecology is also termed as Community ecology Population ecology Specie ecology All of above
7 The study of different communities (grouping of population) in relation to their environment is called Autecology Synecology Ecology Biogeopraphy
8 The study of a single population's relationship to its environment will be called as Autecology Synecology Ecology Biogeopraphy
9 The basic role of an organism in the community is called Niche Factor Ability None of above
10 In 1917, Jpseph Grinnel an American ornithologist first proposed the term ______ in ecology Habitat Niche Area Space
11 Biosphere is a thin layer of ______ in which all living organism exist Earth Air Space None of above
12 There are ______ major terrestrial biomes 2 4 6 8
13 Each biome consists of a combination of plants and animals in the fully developed Climax community Community Population None of above
14 ______ is a group of interbreeding individuals occurring together in space and time Population Species Community All of above
15 The abiotic components are also termed as Chemical factors Physical factors Biological factors A and B
16 The ecosystem consists of interacting components, Biotic Abiotic Bioic and Abiotic None of these
17 The term originally was coined by the German zoologist Ernst Haeckel in 1666 1766 1966 1866
18 The term ecology comes form the ______ words oikos, meaning "The family household" Greek Latin English French
19 It is the study of the relationship of animals (organisms) to their environment Ecology Ecosystem Physiology Mycology
20 Modern man has been on this planet for about 4000 years 400,000 year 40,000 years 50,000 years
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