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

The ecosystem present on land or soil is called

Question # 2

The major components of ecosystem are

Question # 3

Which are pioneers of terrestrial ecosystem

Question # 4

The study of relationship of different communities (grouping of population) to environment is called:

Question # 5

The basic role of an organism in the community is called

Question # 6

The amount of energy left after plant have met their respiratory need is net primary production called as

Question # 7

Xerophytes can withstand with extreme conditions due to the presence of

Question # 8

In which types of soil does water logging occur?

Question # 9

A thin layer (zone) of earth in which all living organisms exist is called:

Question # 10

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

Question # 11

Nitrogen makes up 78 percent of the gases in:

Question # 12

The desert ecosystem of western punjab is called:

Question # 13

The ecosystem consists of interacting components,

Question # 14

The nutrient cycles are also called:

Question # 15

Which one of the following is an example of commensalism

Question # 16

Elements required in large amount are called

Question # 17

Cloud cover is reduced due to

Question # 18

The term niche in ecolgy was first proposed by:

Question # 19

The soil of the deciduous forest is:

Question # 20

All populations within an ecosystem are known as a:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which can't increase their weight in inorganic medium
A. Producer
B. Consumer
C. Decomposer
D. Both b & c
2 In temperate grassland the rate primary production is about:
A.  700 - 1400 g/m2
B. 700 - 1600 g/m2
C. 700 -1800 g/m2
D. 700 - 1500 g/m2
3 Loins are
A. Primary consumers
B. Secondary consumers
C. Tertiary consumer
D. All of above
4 The root nodules bacteria fix ______ in sil air:
A. Parasitism
B. Carbon dioxide 
C. Nitrogen
D. Hydrogen 
5 The chief reservoir of nitrogen is the
A. Atmosphere
B. Water
C. Soil
D. Rain
6 ______ is a change in the community structure of an ecosystem over a period of time
A. Succession
B. Primary succession
C. Secondary succession
D. None of above
7 The first comers in an area are termed as
A. Consumers
B. Producers
C. Pioneers
D. All of above
8 The major unit of ecology is:
A. Biosphere
B. Ecosystem
C. Community
D. Population
9 The example of decomposers of the ecosystem are the
A. Fungi
B. Fungi and bacteria
C. Bacteria
D. Viruses
10 Polytrichum is a
A. Lichen
B. Algae
C. Liver worts
D. Moss

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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