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

Joseph Grinnell an American scientist was:

Question # 2

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

Question # 3

Overgrazing

Question # 4

Biotic components includes all the

Question # 5

Mycorrhiza is an association between the roots of plants growing in acid soil and certain

Question # 6

Succulent plants are

Question # 7

Plants growing in xeric (dry) condition are called:

Question # 8

Lichens have thick crust and live in extreme conditions is a successional stage of

Question # 9

Shallow water zone of the lake near the shore is called:

Question # 10

Decomposers get their food from

Question # 11

Terrestrial ecosystem have main types of ecosystem:

Question # 12

The establishment of woody plants that inhibits the growth of most plants other than mosses in succession is known as

Question # 13

A short food chain of two or three links supports a community:

Question # 14

Modern man has been on this planet for about

Question # 15

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

Question # 16

In each case succession begins with few hard invaders called:

Question # 17

Fresh water ecosystem  cover the land only:

Question # 18

A thin layer (zone) of earth in which all living organisms exist is called:

Question # 19

An animal that preys other animals is called:

Question # 20

Dandruff is caused by

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Water changes its temperature:
A. Faster than air
B. Same as air
C. Slower than air
D. Sometime slower and sometimes faster
2 This is a ------------------- relationship between algae and fungi
A. Symbiotic
B. Mutualistic
C. Parasitic
D. Mycorrhizal
3 A dominant plant of temperate deciduous forests is the :
A. Euphorbia
B. Taxus baccata
C. cactus
D. Acacia
4 Consumers are ______ organisms
A. Autotrophic
B. Heterotrophic
C. Decomposers
D. None of above
5 Parasitism is an association between a host and a parasite, which ivolves providing the parasite with:
A. Food
B. Protection
C. Conditions for its survival
D. All a, b, c
6 Fresh water ecosystem  cover the land only:
A. 2%
B. 3%
C. 4%
D. 1%
7 Which one of the following is not the main ionic nutrient
A. Ca
B. Na
C. K
D. U
8 The dead plants and animal bodies in lakes are decomposed by certain:
A. Cyanobacteria
B. Bacteria
C. Mold
D. Protozoans 
9 In which types of soil does water logging occur?
A. Silt
B. Clay
C. Gravel
D. Sand
10 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

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