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

00:00
Question # 1

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

Question # 2

Biosphere is a thin layer of ______ in which all living organism exist

Question # 3

Omnivores are described by how many trophic levels

Question # 4

In lithospheric ecosystem the availability of water is:

Question # 5

Topography is study of?

Question # 6

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

Question # 7

The term ecology originally was used in 1866 by the German zoologist:

Question # 8

Succession begins by a few hardy invaders called:

Question # 9

Leech is preferably a

Question # 10

One poles the average temperature is:

Question # 11

What are the environmental buffers?

Question # 12

Fungi and bacteria are:

Question # 13

A little light is left to power photosynthesis at the depth of:

Question # 14

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

Question # 15

A new system is developed after an existing ecosystem is called

Question # 16

Three principal stages of nitrogen cycle are:

Question # 17

The productivity can be indicated by:

Question # 18

The legume plants, Pea and been are the hosts to symbiont bacteria which inhabit the roots forming root:

Question # 19

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

Question # 20

Grazers feed mainly on which kind of plants

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Three principal stages of nitrogen cycle are:
A. Ammonification, Nitrification, and Assimilation
B. Ammonification, Acidification, and Assilimlation
C. Esterification, Nitrification, and Assimilation
D. Ammonification, Nitrification, and Denitrification
2 Most nitrogen moves from the soil into the roots in the form of:
A. Nitrogen gas 
B. Nitrites 
C. Ammonia
D. Nitrates 
3 The last stage of plant succession is
A. Pioneer
B. Climax
C. Community
D. None of above
4 The nutrient cycles are also called as
A. Biogeochemical cycles
B. Biochemical cycles
C. Geo-cycles
D. All of above
5 In this type of relationship only one organism benefits from the relationship. The other is not affected at all
A. Mutualism
B. Commensalism
C. Parasitism
D. All of above
6 Biosphere is spread over the surface of plant earth, extending upto:
A. 8 to 10 km
B. 5 to 6 km
C. 10 to 20 km
D. 8 to 16 km
7 Dominant species of mammals in grassland are the:
A. Omnivores
B. Herbivores
C. Carnivores
D. Insectivores
8 The combination of many food chains is termed as
A. Food chain
B. Food web
C. Trophic level
D. None of above
9 The desert ecosystem of western punjab is called:
A. Thar
B. Thal
C. Alpine
D. Boreal
10 In littoral zone, the water is:
A. Deeps
B. Very deep
C. Shallow
D. Comes with wave only

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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