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

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  • Total Questions20

  • Time Allowed20

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MDCAT Biology Chapter 8 MCQ's Test

00:00
Question # 1

Global warming is the result of

Question # 2

Tick the biotic (intra-specific) factors:

Question # 3

Over-grazing may lead to:

Question # 4

Nitrogen makes up 78 percent of the gases in:

Question # 5

Plants growing in xeric (dry) condition are called:

Question # 6

Consumers are ______ organisms

Question # 7

Decomposers get their food from

Question # 8

Which eat consumers

Question # 9

The ecosystem present on land or soil is called

Question # 10

A process in which green plants are eaten by animals is called

Question # 11

The bacteria in the root nodules fix ______ in soil air, converting it to amino acids

Question # 12

The study of the relationship of animals to environment is called:

Question # 13

Which of the following is not the true about predation

Question # 14

Overgrazing resulted in

Question # 15

The major components of ecosystem are

Question # 16

One atom of chlorine can destroy up to ___________ ozone molecules?

Question # 17

Cloud cover is reduced due to

Question # 18

Tape worm is the example of

Question # 19

Green house effect, acid rain headaches and coughs are related to which of the followings?

Question # 20

Consumers are the all the organisms, primarily animals. They obtain energy directly or indirectly from

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Forest ecosystem is subdivided into ____ type of forests.
A. Two
B. Four
C. Five
D. Three
2 All living organisms supported by biosphere are called
A. Biotic components
B. Abiotic components
C. Autecology
D. Synecology
3 The first comers in an area are termed as
A. Consumers
B. Producers
C. Pioneers
D. All of above
4 The average rainfall in desert ecosystem is:
A. 20 - 30 cm
B. 20 - 40 cm
C. 25 - 50 cm
D. 14 - 35 cm
5 The living organism which can prepare their own food are:
A. predators
B. parasites
C. producers
D. prey
6 Nutrient elements become the part of protoplasm during
A. Photosynthesis
B. Decomposition
C. Fixation
D. Assimilation
7 Joseph Grinnell an American scientist was:
A. Paleontologist
B. Embryologist
C. Ornithologist
D. All of these
8 Plants growing on dry habitat is called:
A. Hydrophytes
B. Mesophytes 
C. Xerophytes 
D. None of these above 
9 Which of the following is not the true about predation
A. Prey increases by increasing the predation
B. Predation increases by increasing the prey
C. Prey decreases by increasing the predation
D. Prey must follow the predation
10 When succession starts on dry soil or rocks it is called:
A. Hydrosere 
B. Derosere
C. Xerosere
D. lithosere

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