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

In case of symbiosis ___________ is benefited.

Question # 3

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

Question # 4

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

Question # 5

When we study a single population relationship to its environment it will be called:

Question # 6

Much of nitrogen found in the soil is the result of:

Question # 7

Three principal stages of nitrogen cycle are:

Question # 8

Establishment of new forest at places where no forests existed previously is called

Question # 9

The gross production of an ecosystem is its total

Question # 10

Which disease is due to nutritional deficiency

Question # 11

A short food chain of two or three links supports a community:

Question # 12

The tundra vegetation supports the animals called:

Question # 13

Secondary consumes form ______ trophic level

Question # 14

The lake ecosystem can be divided into ______ number of zones:

Question # 15

______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds

Question # 16

The fourth trophic level includes the:

Question # 17

Man depends foams are potential sources of

Question # 18

Which of these stages appears as a pioneer during succession on barren land?

Question # 19

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

Question # 20

The root nodules bacteria fix ______ in sil air:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Pyramid always starts at
A. T1
B. T2
C. T3
D. T4
2 Oxides of nitrogen are produced by burning of
A. Carbonate
B. Leaded patrol
C. Fossil fuels
D. All of above
3 Cloud cover is reduced due to
A. Reforestation
B. Afforestration
C. Deforestration
D. Air pollution
4 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
5 It is the study of the relationship of animals (organisms) to their environment
A. Ecology
B. Ecosystem
C. Physiology
D. Mycology
6 Elements required in large amount are called
A. Micronutrient
B. Macronutrient
C. Organic elements
D. Inorganic elements
7 The fungi and bacteria, which obtain their energy from the dead and decaying plants and animals are:
A. Decomposers
B. Consumers
C. Producers
D. Scanvengers
8 The essential requirement for life is:
A. Minerals
B. Water 
C. Carbohydrates
D. Proteins 
9 Two main types of environment factors are:
A. Geotropism and phototropism
B. Abiotic and biotic
C. Land aquatic
D. None of these
10 Benefits brings about by both of the organisms is called
A. Mutualism
B. Symbiosis
C. Anabolism
D. catabolism

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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