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

bare rocks are the habitats of 

Question # 2

Pyramid always starts at

Question # 3

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

Question # 4

What is cause of Eutrophication

Question # 5

Which element is the most potent source for the depletion of ozone layer

Question # 6

Water changes its temperature:

Question # 7

Infestations are the diseases which are caused by ________ in living organisms

Question # 8

______ symbiont the root nodules of legume plants

Question # 9

Which one of the following is true

Question # 10

Layer of earth where life is present is called

Question # 11

Food web maintains the stability of

Question # 12

A relationship that harms one of the partners is called

Question # 13

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

Question # 14

Which rule depicts its correct statement regarding temperature variation?

Question # 15

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

Question # 16

Many cold=blooded animals remain inactive during winter season; it is called:

Question # 17

Community structures of an ecosystem is called

Question # 18

In lithospheric ecosystem the availability of water is:

Question # 19

The principal stages of this cycle are

Question # 20

"Litho" means

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 These micro-organisms use the proteins and amino acids and release excess of ammonia (NH3) or ammonium ions (NH4). This process is known as
A. Ammonification
B. Nitrification
C. Assimilation
D. All of above
2 Community structures of an ecosystem is called
A. Biosphere
B. Succession
C. Progression
D. Climax community
3 In which types of soil does water logging occur?
A. Silt
B. Clay
C. Gravel
D. Sand
4 ______ are autotrophic organisms
A. Producers
B. Consumers
C. Decomposers
D. All of the above
5 The dead plants and animal bodies in lakes are decomposed by certain:
A. Cyanobacteria
B. Bacteria
C. Mold
D. Protozoans 
6 The living organism which can prepare their own food are:
A. predators
B. parasites
C. producers
D. prey
7 All populations within an ecosystem are known as a:
A. Population
B. Community
C. Species
D. Clan
8 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
9 Monoculture is
A. One organism
B. A lab culture
C. A pure culture
D. Both b and c
10 A process in which one organism get benefit from the relationship is known as
A. Grazing
B. Commensalism
C. Symbiosis
D. Mutualism

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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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