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

Two main types of environment factors are:

Question # 2

Nutrients required by organism in large amount like water, carbon, hydrogen, oxygen, nitrogen, phosphorus, sulphur and  calcium are:

Question # 3

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

Question # 4

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

Question # 5

A change in the community structure of an ecosystem over a period of time is:

Question # 6

The fungi and bacteria, which obtain their energy from the dead and decaying plants and animals are:

Question # 7

The second trophic level includes the:

Question # 8

A lichen is the symbiotic association between a

Question # 9

The chemical elements essential for life in living organisms are called:

Question # 10

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

Question # 11

The establishment of stable vegetation on an area is termed as

Question # 12

The study of different communities to environment is called

Question # 13

Dominant species of mammals in grassland are the:

Question # 14

The solar energy used to evaporate water, heat up soil and then lost to the outer space is:

Question # 15

The deficiency of which one of the following is cause of goiter

Question # 16

Biosphere is spread out over the surface of planet earth extending about:

Question # 17

Succession ends with a diverse and relatively stable:

Question # 18

Major unit of ecology is :

Question # 19

A process in which green plants are eaten by animals is called

Question # 20

The amount of energy left after plants have met their respiratory needs is net primary production, which shows up as plant:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 An association between two organisms, which brings benefit to both the organisms is called:
A. Parasitism
B. Commensalisms
C. Predation
D. Symbiosis
2 Air conditioners are the source of
A. Effluents
B. SO2,NO2
C. Heavy metals
D. CFCs
3 The study of the relationship of animals to environment is called:
A. Biology
B. Ecology
C. Microbiology
D. Zoology
4 The parasite that live outside the body of the host is called as
A. Endoparasite
B. Ectoparasite
C. Outer parasite
D. All of above
5 Primary succession that starts on a dry habitat is called:
A. Hydrosere
B. Derosere
C. Xerosere
D. Aquasere
6 Enrichment of water bodies by organic nutrients is called
A. Organic pollution
B. Eutrophication
C. Sewage pollution
D. Dtergents pollution
7 In tandra forests the willow tree with an age of 50 year have diameter of trunk only:
A. 5 cm
B. 7 cm
C. 8 cm
D. 10 cm
8 Food web is the group of various
A. Food substances
B. Food chains
C. Trophic levels
D. All of these
9 The major unit of ecology is:
A. Biosphere
B. Ecosystem
C. Community
D. Population
10 In an ecosystem after succession, a new invaders are called
A. Pioneers
B. Predecessors
C. Climax community
D. None of these

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