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

Try The MCQ's Test For MDCAT Biology Chapter 8 MCQ's Test

  • Total Questions20

  • Time Allowed20

MDCAT Biology Chapter 8 MCQ's Test

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Question # 1

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

Question # 2

As the number of the predators decreases the numbering of prey:

Question # 3

--------------- begins forged from bare rocks, sand for where no previous life was found

Question # 4

Plants growing in xeric condition are called

Question # 5

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

Question # 6

The study of relationship of an organisms to their environment is known is

Question # 7

In this type of relationship only one organism benefits from the relationship. The other is not affected at all

Question # 8

Bacterial live and get food from roots of plants is an example of

Question # 9

It is community relay

Question # 10

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

Question # 11

Nitrogen makes up ______ percent of the gases in atmosphere

Question # 12

A biotic components includes the components like:

Question # 13

Grasslands of tropic climate have woody trees and are called:

Question # 14

The term niche in ecolgy was first proposed by:

Question # 15

Over-grazing may lead to:

Question # 16

Parasites live outside of the body are

Question # 17

Fresh water ecosystem covers less than ______% of the hydrospheric ecosystems

Question # 18

The ecosystem consists of two basic interacting components:

Question # 19

Man is

Question # 20

Biosphere is spread over the surface of plant earth, extending upto:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 Succession ends with a diverse and relatively stable:
A. Xerosere
B. Derosere
C. Pioneers
D. Climax community
3 In littoral zone, the water is:
A. Deeps
B. Very deep
C. Shallow
D. Comes with wave only
4 Which disease is due to nutritional deficiency
A. Scurvy
B. Diabetes
C. Herpes
D. Diphtheria
5 Which one of a endoparasite of organisms
A. Fungi causes dandruff in hair
B. Tapworms
C. Earthworms
D. Lices
6 ______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds
A. Nitrogen fixing bacteria
B. Nitrogen degrading bacteria
C. Both A and B
D. None of above
7 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:
A. environment
B. ecosystem
C. stable community
D. ecological succession
8 Identify correct trophic level of food chain
A. Fox >>> rabbit >>> beetle
B. Dog >>> Rabbit >>> grass
C. Owl >>> Rat >>> Rabbit
D. Fox >>> beetle >>> Rabbit
9 Nutrient cycle are also called us:
A. Biogeochemical cycles
B. Elemental cycles
C. Geochemical cycles
D. Biochemical cycles
10 Each biome consists of a combination of plants and animals in the fully developed
A. Climax community
B. Community
C. Population
D. None of above

Test Questions

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  • zikra rehman

    zikra rehman

    13 Oct 2018

    some answerz are given wrong????

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  • khaqan

    khaqan

    10 Sep 2018

    i have got 94 marks over 100 please add me to highh scorer

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  • Wahab

    Wahab

    26 May 2018

    Add my name in high scorers

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