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 association between a host and parasite is called

Question # 2

The green photosynthetic plants, which capture and bring light energy into the ecosystem are:

Question # 3

Actual place or location where an organism lives is called us:

Question # 4

A thin layer (zone) of earth in which all living organisms exist is called:

Question # 5

Diseases in living organisms which are caused by parasites are called

Question # 6

Over grazing may lead to:

Question # 7

The term ecology originally was used in 1866 by the German zoologist:

Question # 8

On poles, the average temperature is

Question # 9

We are reducing natural 'carbon dioxide's

Question # 10

Man depends foams are potential sources of

Question # 11

Which are pioneers of terrestrial ecosystem

Question # 12

The land will be turned to barren land if there is:

Question # 13

Predation decreases by decreasing the prey due to

Question # 14

Omnivores are described by how many trophic levels

Question # 15

When bacteria break down nitrates and release nitrogen  back into atmosphere this process is called:

Question # 16

The study of different communities (grouping of population) in relation to their environment is called

Question # 17

Between 80 to 90% of the original energy is lost as heat as a byproduct of

Question # 18

When living and non-living interact to produce a stable system in which exchange of materiel with flow of energy takes place, it forms a/an:

Question # 19

The oxidation of ammonia is

Question # 20

Which of the following is always an intracellular parasite

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 In each case succession begins with few hard invaders called:
A. Producers
B. Consumers 
C. Pioneers
D. Beginners
2 The study of relationship of different communities (grouping of population) to environment is called:
A. Synecology
B. Community ecology
C. Autoecology
D. Both a & b
3 Which include seral stages of a primary succession are
A. Lichen & algae
B. Mosses and ferns
C. Grasses & shrubs
D. All of these
4 Mascara is a type of:
A. Lion
B. Bird
C. Monkey
D. Bear
5 The type of association between two organisms, which brings benefit to both the organisms is called
A. Commensalism
B. Predation
C. Mutualism
D. Parasitism
6 ______ lichens are the examples of foliose lichens
A. Dermatocarpon
B. Permellia
C. Both a and b
D. None of above
7 The succession started on rocks is termed as
A. Hydrosere
B. Xerosere
C. Serosere
D. None of the above
8 In limnetic zone the phytoplankton are:
A. Cyanobacteria
B. Protozoan
C. Fungi 
D. Bacteria 
9 Which one of the following is an example of commensalism
A. Nodulated roots
B. Remoras attached to sharks
C. Mycorrhiza
D. Commensalism
10 The biotic components of the ecosystem are the
A. Producers
B. Consumers
C. Producers,consumers and the decomposers
D. Decomposers

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