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

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

Question # 2

Which one of the following is true

Question # 3

The amount of energy left after plants have met their respiratory needs shows up the plant:

Question # 4

In 1917, Joseph Grinnell an American ornithologist first proposed the term niche in:

Question # 5

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

Question # 6

Algae are

Question # 7

The study of human population and factor affecting it is called

Question # 8

Bacterial and fungi are mainly included in the group of

Question # 9

Dams and canal networks developed for irrigation purpose in Pakistan and many other countries create the problems of

Question # 10

Infestations are the diseases which are caused by ________ in living organisms

Question # 11

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

Question # 12

All food chains and food webs begin from

Question # 13

Xerosere starts with __________ stage.

Question # 14

The first comers in an area are termed as

Question # 15

Aerosol spray foams are potential sources of

Question # 16

Parasites which live inside the host body is called:

Question # 17

The last stage of plant succession is

Question # 18

The predeter and prey relationship is called as

Question # 19

Primary consumers form ______ trophic level

Question # 20

The productivity can be indicated by:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Grazing is important
A. To maintain the population of competitors
B. To maintain the population of grasses
C. To maintain the vigor of grasses
D. All of these
2 A process in which green plants are eaten by animals is called
A. Grazing
B. Predation
C. Commensalization
D. None of these
3 A short food chain of two or three links supports a community:
A. Efficiently
B. More efficiently
C. Inefficiently
D. Less efficiently
4 The chief reservoir of nitrogen is the
A. Atmosphere
B. Water
C. Soil
D. Rain
5 The amount of energy left after plant have met their respiratory need is net primary production called as
A. Mass
B. Gross production
C. Biomass
D. None
6 Several bacteria in soil oxidize ammonia or ammonium ions this oxidation is known as
A. Ammonification
B. Nitrification
C. Assimilation
D. All of above
7 A new system is developed after an existing ecosystem is called
A. Primary ecosystem
B. Secondary ecosystem
C. Hydrosere
D. Xerosere
8 Food web is the group of various
A. Food substances
B. Food chains
C. Trophic levels
D. All of these
9 In coniferous alpine and boreal forest the temperature ranges from:
A. 0°C to 10°C
B. Below freezing point up to 10°C
C. Below freezing point up to 15°C
D. 0°C to 15°C
10 Xerosere starts with __________ stage.
A. Crustose lichen
B. Foliose lichen
C. Mass
D. Shrub

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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