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

While preparing for the test, the students should allocate the proper time to all the topics. The candidates who intend to appear in the MDCAT must solve the chapter-wise MCQs provided on this platform. Through solving the MCQs, the students can better understand the topic and learn the topics for a longer time.

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

Fresh water ecosystem  cover the land only:

Question # 2

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

Question # 3

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

Question # 4

Fungi are

Question # 5

Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces.

Question # 6

Which one of the following is an example of commensalism

Question # 7

Fungi and bacteria are:

Question # 8

Cloud cover is reduced due to

Question # 9

Taj Mahal's marble has been affected by

Question # 10

Leech is preferably a

Question # 11

The purest form of global warming is in the shape of

Question # 12

Identify correct trophic level of food chain

Question # 13

Decomposers get their food from

Question # 14

When bacteria in soil oxidize ammonia or ammonium ions this is called:

Question # 15

The ecosystem consists of interacting components,

Question # 16

Several bacteria in soil are able to oxidize ammonia or ammonium ions, this oxidation is known as:

Question # 17

Diseases in living organisms which are caused by parasites are called

Question # 18

Succession starting in pond is called

Question # 19

The association between a host and parasite is called

Question # 20

A common animal of temperate deciduous forests is the:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Lichen is the example of
A. Mutualism
B. Commenaslim
C. Parasitism
D. All of above
2 Plants growing in xeric condition are called
A. Xerophytes
B. Mesophytes
C. Hydrophytes
D. Schizophytes
3 The process by which the limited amount of nitrogen is circulated and recirculated throughout the world of living organisms is known as the
A. Nitrogen cycle
B. Nitrogen path way
C. Nitrogen depletion
D. None of above
4 Tick the biotic (intra-specific) factors:
A. Wave action, humidity, light
B. Colonization,aggregation,parental care
C. Neutralism,mutualism,predation
D. Mineral elements, mutualism,parasitism
5 Green plants are ______ trophic level
A. First
B. Second
C. Third
D. Forth
6 Enrichment of water bodies by organic nutrients is called
A. Organic pollution
B. Eutrophication
C. Sewage pollution
D. Dtergents pollution
7 Parasites that live inside the body of the host:
A. Endoparasites
B. Ectoparasites
C. Mesoparasites
D. Both a & c
8 Green photosynthetic plants are
A. Producers
B. Consumers
C. Decomposers
D. None of the above
9 Sahara Desert i found in :
A. Europe
B. America
C. Africa
D. Australia
10 The last stage of plant succession is
A. Pioneer
B. Climax
C. Community
D. None of above

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