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 animals which feed on grasses are called:

Question # 2

The essential requirement for life is:

Question # 3

Acid rain is mainly due to

Question # 4

Due to the trampling of the soil layer by the hooves of grazing animals the rain water will:

Question # 5

Nitrogen makes up ______ percent of the gases in atmosphere

Question # 6

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

Question # 7

Life on earth is affected by both

Question # 8

The first comers in an area are termed as

Question # 9

Animals feed on green plants and grasses are called

Question # 10

The soil of the deciduous forest is:

Question # 11

The fourth trophic level includes the:

Question # 12

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

Question # 13

Excessive ploughing of lands in arid regions results in the development of

Question # 14

Decomposers form _______ trophic level

Question # 15

An association between certain fungi and the roots of plants growing in acid soil is:

Question # 16

In which types of soil does water logging occur?

Question # 17

Plants growing in xeric condition are called

Question # 18

Which one of the following is an example of commensalism

Question # 19

The animal that is caught and eaten is the

Question # 20

There are ______ major terrestrial biomes

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which eat consumers
A. Predators
B. Carnivores
C. Omnivores
D. All
2 In lithospheric ecosystem the availability of water is:
A. Unlimited
B. UniForm
C. Limited
D. Zero
3 Nitrogen makes up 78 percent of the gases in:
A. Biosphere
B. Ecosphere
C. Lithosphere
D. Atmosphere
4 Consumers are ______ organisms
A. Autotrophic
B. Heterotrophic
C. Decomposers
D. None of above
5 Limnetic phytoplanktons include:
A. Mossses
B. Algea
C. Bacteria
D. Cyanobacteria
6 What is cause of Eutrophication
A. Excreta
B. Phosphate
C. Nitrates
D. All
7 Forest ecosystem is subdivided into ____ type of forests.
A. Two
B. Four
C. Five
D. Three
8 The study of relationship of a single population to its environment is called:
A. Autecology
B. Synecology
C. Both a & b
D. None
9 The ecosystem present on land or soil is called
A. Terrestrial ecosystem
B. Lithospheric ecosystem
C. A and B
D. none
10 The chemical elements essential for life in living organisms are called:
A. Biogenic elements
B. Nutrient elements
C. Both a & b
D. Genetic elements

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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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