MDCAT Biology Chapter 8 MCQ Test With Answer for (Evolution)

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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 purest form of global warming is in the shape of

Question # 2

Biosphere is spread out over the surface of planet earth extending about ______ kilometers in the upper reaches of atmosphere and also in same distance into the depths of oceans

Question # 3

The principal stages of this cycle are

Question # 4

In each case succession begins with few hard invaders called:

Question # 5

Overgrazing

Question # 6

Grassland which do not have woody plants are called:

Question # 7

Three principal stages of nitrogen cycle are:

Question # 8

There is an association between two organisms, which brings benefits to both the organisms

Question # 9

Fungi as well as bacteria are generally known as

Question # 10

Iron, iodine and zinc required by the organisms are said to the:

Question # 11

The basic role of an organism in the community is called

Question # 12

The fourth trophic level includes the:

Question # 13

Fungi are

Question # 14

Which of these stages appears as a pioneer during succession on barren land?

Question # 15

Tundra ecosystem is a vast treeless region bordering the:

Question # 16

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

Question # 17

The gill pouches present in embryos of mammals :

Question # 18

A symbiotic association between a fungus and the roots of higher plants is known as

Question # 19

Acid rain is mainly due to

Question # 20

The tundra vegetation supports the animals called:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 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
2 Overgrazing resulted in
A. Diminishing the grasses
B. Desert
C. Barren land
D. All of these
3 The study of the relationship of animals to environment is called:
A. Biology
B. Ecology
C. Microbiology
D. Zoology
4 Succession begins by a few hardy invaders called:
A. Founders
B. Initiators
C. Pioneers
D. Leaders
5 Dandruff is caused by
A. Algae
B. Bacteria
C. Fungi
D. Virus
6 Water changes its temperature:
A. Faster than air
B. Same as air
C. Slower than air
D. Sometime slower and sometimes faster
7 The productivity can be indicated by:
A. Consumption of water and evolve of O2
B. Consumption of CO2 and water
C. Consumption of CO2 and evolve of O2
D. Consumption of minerals and evolve of N2
8 Lichens are dual organisms composed of symbiotic association of algae living within a fungus:
A. Mycelium
B. Sporangium
C. Hyphae
D. Rhizophore
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 Predation is a process of
A. Prey
B. Predator
C. Prey and predator
D. None of these

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