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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MDCAT Biology Chapter 8 MCQ's Test

00:00
Question # 1

The chemical elements essential for life in living organisms are called ______ elements

Question # 2

The gross production of an ecosystem is its total

Question # 3

A change in the community structure of an ecosystem over a period of time is:

Question # 4

About 20 years ago what was the rate at which human population was increasing

Question # 5

Which of the following is an example of primary succession

Question # 6

The study of relationship of a single population to its environment is called:

Question # 7

Which one of the following is an example of commensalism

Question # 8

The term ecology was first used by a ________ zoologist.

Question # 9

Succession ends with a diverse and relatively stable:

Question # 10

The solar energy used to evaporate water, heat up soil and then lost to the outer space is:

Question # 11

The living organisms, which cannot prepare their own food but obtain ready-made food form others, are:

Question # 12

Plant and animals replace the earlier ones in a way of

Question # 13

Tape worm is the example of

Question # 14

Overgrazing resulted in

Question # 15

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

Question # 16

The major components of ecosystem are

Question # 17

Which one of a endoparasite of organisms

Question # 18

Monoculture is

Question # 19

A common animal of temperate deciduous forests is the:

Question # 20

Fresh water ecosystem covers less than ______% of the hydrospheric ecosystems

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The nutrients in aquatic ecosystem tends to be concentrated near the
A. Bottom
B. Surface
C. Center of total depth
D. 10 feet below the surface
2 Ornithology is the sudy of
A. Mammals
B. Reptiles
C. Insects
D. Birds
3 Heterotrophic organisms are basically:
A. Producers
B. Consumers
C. Producer and consumers
D. None of these
4 The biotic components of the ecosystem are the
A. Producers
B. Consumers
C. Producers,consumers and the decomposers
D. Decomposers
5 Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces.
A. 70%
B. 71%
C. 80%
D. 65%
6 The principal stages of this cycle are
A. Ammonification
B. Nitrification
C. Assimilation
D. All of above
7 A change in the community structure of an ecosystem over a period of time is:
A. Progression
B. Sequence
C. Succession
D. String
8 Predation decreases by decreasing the prey due to
A. Decrease in food
B. Decrease in water
C. Decrease in consumers
D. All of these
9 Eagle may eat blue bird, but blue bird eats insects like caterpillar and caterpillar feeds on grass or green leaves. This is a ______
A. Food chain
B. Food web
C. Both A and B
D. None of above
10 Climax in zerosere is the establishment fo
A. Woody forest
B. Grasses
C. Herbs
D. Shrubs

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