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

00:00
Question # 1

Herbaceous stage in xerosere is the __________:

Question # 2

The root nodules bacteria fix ______ in sil air:

Question # 3

The type of association between two organisms, which brings benefit to both the organisms is called

Question # 4

The study of relationship of a single population to its environment is called:

Question # 5

Water changes its temperature:

Question # 6

Which of the following is not true about abiotic components

Question # 7

Mycorrhiza is an association between the roots of plants growing in acid soil and certain

Question # 8

It is the study of the relationship of animals (organisms) to their environment

Question # 9

______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds

Question # 10

The major unit of ecology is:

Question # 11

The term niche in ecolgy was first proposed by:

Question # 12

Green, plants are basically:

Question # 13

Which one of the following is an example of commensalism

Question # 14

Leech is preferably a

Question # 15

Which of the following is always an intracellular parasite

Question # 16

The succession started after destruction of an area is called as

Question # 17

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

Question # 18

Decomposers form _______ trophic level

Question # 19

Diseases in living organisms which are caused by parasites are called

Question # 20

Eagle may eat blue bird, but blue bird eats insects like caterpillar and caterpillar feeds on grass or green leaves. This is a ______

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Plants growing on dry habitat is called:
A. Hydrophytes
B. Mesophytes 
C. Xerophytes 
D. None of these above 
2 An association between certain fungi and the roots of plants growing in acid soil is:
A. Lichens
B. Predation
C. Mycorrhiza
D. Commensalism
3 A collection of related parts that function as a unit is called:
A. Organ
B. Organism
C. System
D. Individual
4 We can strengthen the soil nitrogen resources by adding:
A. Liquid nitrogen to soil
B. Ammonia gas to soil
C. Nitrogen fertilizers to soil
D. Nitrogen fixing bacteria to soil 
5 The term ecology comes form the ______ words oikos, meaning "The family household"
A. Greek
B. Latin
C. English
D. French
6 Aerosol spray foams are potential sources of
A. Carbon monoxide
B. Sulphur dioxide
C. Chlorofluorocarbons (CFCs)
D. Lead compounds
7 Major unit of ecology is :
A. Ecosystem
B. Community
C. Biosphere
D. Population
8 Biosphere is a thin layer of ______ in which all living organism exist
A. Earth
B. Air
C. Space
D. None of above
9 The green photosynthetic plants, which capture and bring light energy into the ecosystem are:
A. Decomposers
B. Consumers
C. Producers
D. Scanvengers
10 Decomposers get their food from
A. Soil particles
B. Dead organic matter
C. Green plants
D. Living organisms

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