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

When bacteria in soil oxidize ammonia or ammonium ions this is called:

Question # 2

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

Question # 3

An association between two organisms, which brings benefit to both the organisms is called:

Question # 4

In case of symbiosis ___________ is benefited.

Question # 5

The total amount of energy fixed by plants is ______ productions

Question # 6

In this type of relationship only one organism benefits from the relationship. The other is not affected at all

Question # 7

Grassland which do not have woody plants are called:

Question # 8

Dandruff is the example of

Question # 9

A symbiotic association between a fungus and the roots of higher plants is known as

Question # 10

The actual location or place where an organism lives is called its:

Question # 11

______ components include all living organisms including plants and animals supported by biosphere

Question # 12

The term ecology comes form the ______ words oikos, meaning "The family household"

Question # 13

On poles, the average temperature is

Question # 14

The soil of the deciduous forest is:

Question # 15

Any ecosystem is made up of three components like:

Question # 16

Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces.

Question # 17

Consumers

Question # 18

Predation decreases by decreasing the prey due to

Question # 19

Which is not a seral stage

Question # 20

A lichen is the symbiotic association between a

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The chemical elements essential for life in living organisms are called:
A. Biogenic elements
B. Nutrient elements
C. Both a & b
D. Genetic elements
2 It is the study of the relationship of animals (organisms) to their environment
A. Ecology
B. Ecosystem
C. Physiology
D. Mycology
3 How plants are deprived of nutrients by acid rain
A. Due to teaching
B. Due to fall in pH
C. Acid creates a barrier to absorption
D. Unknown cause
4 Two main types of environment factors are:
A. Geotropism and phototropism
B. Abiotic and biotic
C. Land aquatic
D. None of these
5 In tandra forests the willow tree with an age of 50 year have diameter of trunk only:
A. 5 cm
B. 7 cm
C. 8 cm
D. 10 cm
6 The oxidation of ammonia is
A. Ammonification
B. Nitrogen fixation
C. Nitrification
D. Denitrification
7 The chief reservoir of nitrogen is the
A. Atmosphere
B. Water
C. Soil
D. Rain
8 ______ are autotrophic organisms
A. Producers
B. Consumers
C. Decomposers
D. All of the above
9 The parasites that live outside the body of the host are called:
A. Endoparasites
B. Ectoparasites
C. Heteroparasites
D. Both a & c
10 In an ecosystem sheep and rabbits are examples of
A. Producers
B. Predators
C. Grazers
D. Saprophytes

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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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