MDCAT Biology Chapter 8 MCQ Test With Answer for (Evolution)

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MCQ's Test For MDCAT Biology Chapter 8 MCQ's Test

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MDCAT Biology Chapter 8 MCQ's Test

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Question # 1

The principal stages of this cycle are

Question # 2

Which of these stages appears as a pioneer during succession on barren land?

Question # 3

The legume plants, Pea and been are the hosts to symbiont bacteria which inhabit the roots forming root:

Question # 4

The biotic components of the ecosystem are the

Question # 5

About 20 years ago what was the rate at which human population was increasing

Question # 6

Climax in zerosere is the establishment fo

Question # 7

We can strengthen the soil nitrogen resources by adding:

Question # 8

Man is

Question # 9

The organisms found in the gut of the termites which help it digest wood are the

Question # 10

A short food chain of two or three links supports a community:

Question # 11

When succession starts on dry soil or rocks it is called:

Question # 12

There are ______ major terrestrial biomes

Question # 13

Succession starting in pond is called

Question # 14

Over-grazing may lead to:

Question # 15

The tundra vegetation supports the animals called:

Question # 16

In coniferous alpine and boreal forest the temperature ranges from:

Question # 17

Chlorofluorocarbons are

Question # 18

Plants like cacti store their water in large:

Question # 19

Overgrazing

Question # 20

Dominant plant species in grassland are:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which one of a endoparasite of organisms
A. Fungi causes dandruff in hair
B. Tapworms
C. Earthworms
D. Lices
2 When succession starts on dry soil or rocks it is called:
A. Hydrosere 
B. Derosere
C. Xerosere
D. lithosere
3 A biotic components includes the components like:
A. Air, water, and animals
B. Air, soil and plants
C. Air, water and soil,
D. air, soil, and, animals
4 The correct sequence in a food chain is
A. Mice - green plants - snake - hawke
B. Green plants - mice - snake - hawk
C. Mice - snake - green plants - hawk
D. Green plants - hawk - snake - mice
5 This is an association between a host and a parasite
A. Predation
B. Anemies
C. Parasitism
D. None of above
6 Primary succession that starts in a pond is called:
A. Hydrosere
B. Derosere
C. Xerosere
D. Aquasure
7 Nitrogen makes up 78 percent of the gases in:
A. Biosphere
B. Ecosphere
C. Lithosphere
D. Atmosphere
8 The example of decomposers of the ecosystem are the
A. Fungi
B. Fungi and bacteria
C. Bacteria
D. Viruses
9 Sahara Desert i found in :
A. Europe
B. America
C. Africa
D. Australia
10 Decomposers form _______ trophic level
A. First
B. Second
C. Third
D. All

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