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

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Question # 1

The oxygen concentration in the air is maintained by the green plants which release it during

Question # 2

Major regional ecological community of plants and animals forms:

Question # 3

The succession which occurs in dry soil or rock is

Question # 4

Enrichment of water bodies by organic nutrients is called

Question # 5

The major unit of ecology is:

Question # 6

Dominant species of mammals in grassland are the:

Question # 7

Fungi and bacteria are:

Question # 8

In an ecosystem after succession, a new invaders are called

Question # 9

Fungi as well as bacteria are generally known as

Question # 10

Diseases in living organisms which are caused by parasites are called

Question # 11

Water changes its temperature:

Question # 12

The living organism which can prepare their own food are:

Question # 13

The term niche in ecolgy was first proposed by:

Question # 14

One mechanism of temperature regulation was developed by land plans and animals by developing.

Question # 15

After digestion, decomposers releases

Question # 16

When bacteria break down nitrates and release nitrogen  back into atmosphere this process is called:

Question # 17

Lichen is the example of

Question # 18

Polytrichum is a

Question # 19

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

Question # 20

Plants growing in extreme cold soil are called:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The parasites that live outside the body of the host are called:
A. Endoparasites
B. Ectoparasites
C. Heteroparasites
D. Both a & c
2 Biosphere is a thin layer of ______ in which all living organism exist
A. Earth
B. Air
C. Space
D. None of above
3 A lichen is the symbiotic association between a
A. Fungus and a bryophyte
B. Roots of higher plants and an alga
C. Fungus and an alga
D. Roots of a higher plants and a fungus
4 Oxides of nitrogen are produced by burning of
A. Carbonate
B. Leaded patrol
C. Fossil fuels
D. All of above
5 bare rocks are the habitats of 
A. Mosses
B. Lichens
C. Grasses
D. Trees
6 Primary succession that starts on a dry soil or rock is called:
A. Hydrosere
B. Derosere
C. Xerosere
D. Aquasere
7 Mycorrhiza is an association between the roots of plants growing in acid soil and certain
A. Virus
B. Fungi
C. Bacteria
D. Nematods
8 In limnetic zone the phytoplankton are:
A. Cyanobacteria
B. Protozoan
C. Fungi 
D. Bacteria 
9 A group of interbreeding individuals of same species occurring together in space and time is called:
A. Population
B. Community
C. Species
D. Clan
10 Food chains combine to form
A. Large food chain
B. Large organisms
C. Trophic levels
D. Food web

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