MDCAT Biology Chapter 8 MCQ's Test With Answers

MDCAT Biology Chapter 8 MCQ's Test

Sr. # Questions Answers Choice
1 When succession starts on dry soil or rocks it is called: Hydrosere  Derosere Xerosere lithosere
2 In each case succession begins with few hard invaders called: Producers Consumers  Pioneers Beginners
3 The fourth trophic level includes the: Producers Tertiary consumers  Secondary consumers None of these 
4 The second trophic level includes the: Producers  Tertiary consumers  Secondary consumers  Primary consumers 
5 All food chain and food web begin with: Producers Consumers Decomposers Prey
6 Fungi and bacteria are: Producers Consumers Decomposers  Predators
7 Heterotrophic organisms are basically: Producers Consumers Producer and consumers None of these
8 Green, plants are basically: Producers Consumers Decomposers None of these
9 Any ecosystem is made up of three components like: Producers, consumers, and predators Producers, consumers and grazers Producers, consumers and decomposers Producers, grazers and composers
10 A biotic components includes the components like: Air, water, and animals Air, soil and plants Air, water and soil, air, soil, and, animals
11 Biotic components includes all the Nonliving components Living components Nonliving and living both None of these
12 Biosphere is spread over the surface of plant earth, extending upto: 8 to 10 km 5 to 6 km 10 to 20 km 8 to 16 km
13 The study of different communities to environment is called Autecology Synecology Microbiology Ornithology
14 When we study a single population relationship to its environment it will be called: Mycology Synecology Autecology Ornithology
15 Joseph Grinnell an American scientist was: Paleontologist Embryologist Ornithologist All of these
16 The actual location of place where an organisms live is called its: Ecosystem Habitat Niche Biome
17 A thin layer of earth in which all living organisms live is called: Biosphere Habitat Niche Hydrosphere
18 A group of interbreeding individual occurring in space and times is called: Community Population Generation Kingdom
19 The study of the relationship of animals to environment is called: Biology Ecology Microbiology Zoology
20 The major unit of ecology is: Biosphere Ecosystem Community Population
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