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

Nitrogen makes up ______ percent of the gases in atmosphere

Question # 2

The gross production of an ecosystem is its total

Question # 3

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

Question # 4

Parasitism is an association between a host and a parasite, which ivolves providing the parasite with:

Question # 5

The eating of grasses is termed as

Question # 6

A process in which one organism get benefit from the relationship is known as

Question # 7

Animals are

Question # 8

Polytrichum is a

Question # 9

Fungi and bacteria are:

Question # 10

The establishment of woody plants that inhibits the growth of most plants other than mosses in succession is known as

Question # 11

When we study a single population relationship to its environment it will be called:

Question # 12

Several bacteria in soil oxidize ammonia or ammonium ions this oxidation is known as

Question # 13

A lichen is the symbiotic association between a

Question # 14

Dandruff is the example of

Question # 15

------------------- are the autotrophs that capture and bring light energy into ecosystem

Question # 16

Green house effect, acid rain headaches and coughs are related to which of the followings?

Question # 17

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

Question # 18

Fresh water ecosystem  cover the land only:

Question # 19

Nutrient cycle are also called us:

Question # 20

The term ecology was first used by a ________ zoologist.

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The first comers in an area are termed as
A. Consumers
B. Producers
C. Pioneers
D. All of above
2 Which of these stages appears as a pioneer during succession on barren land?
A. Foliage lichens
B. Mosses
C. Crustose lichens
D. Fruiticose lichens
3 Fungi and bacteria are:
A. Producers
B. Consumers
C. Decomposers 
D. Predators
4 One poles the average temperature is:
A. At freezing point
B. Below freezing point
C. Above freezing point
D. More then 5∘C
5 Food web is the group of various
A. Food substances
B. Food chains
C. Trophic levels
D. All of these
6 Charles Eton defined the niche as the species:
A. Work
B. Employment
C. Job
D. Occupation
7 The relationship in which only one organism benefit from the relationship. The other is not affected at all.
A. Parasitism
B. Commensalism
C. Predation
D. Mutualism
8 In 1917, Joseph Grinnell an American ornithologist first proposed the term niche in:
A. Taxonomy
B. Neurology
C. Ecology
D. Embryology
9 Community structures of an ecosystem is called
A. Biosphere
B. Succession
C. Progression
D. Climax community
10 Aerosol spray foams are potential sources of
A. Carbon monoxide
B. Sulphur dioxide
C. Chlorofluorocarbons (CFCs)
D. Lead compounds

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