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

About ______% if the total energy from the sun is trapped by the producers in an ecosystem

Question # 2

Nitrogen makes up 78 percent of the gases in:

Question # 3

Global warming is the result of

Question # 4

The purest form of global warming is in the shape of

Question # 5

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

Question # 6

The second trophic level includes the:

Question # 7

In hydrospheric ecosystem the exchange material and transfer of energy takes place. 

Question # 8

The average rainfall in desert ecosystem is:

Question # 9

All the organisms, primarily animals, which obtain energy directly or indirectly from the produces as ready-organic food are:

Question # 10

Primary succession that starts in a pond is called:

Question # 11

Nutrient cycle are also called us:

Question # 12

In littoral zone, the water is:

Question # 13

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

Question # 14

The term niche in ecolgy was first proposed by:

Question # 15

Parasites live outside of the body are

Question # 16

Pyramid always starts at

Question # 17

A symbiotic relationship that benefits one species & neither helps nor harms the other is called

Question # 18

Man depends foams are potential sources of

Question # 19

Plants growing in xeric condition are called

Question # 20

The relationship in which only one organism benefit from the relationship. The other is not affected at all.

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Animals feed on green plants and grasses are called
A. Grazers
B. Produces
C. Consumers
D. Predators
2 One atom of chlorine can destroy up to ___________ ozone molecules?
A. One million
B. One billion
C. One thousand
D. Two million
3 Nitrogen makes up ______ percent of the gases in atmosphere
A. 76
B. 77
C. 78
D. 98
4 The oxidation of ammonia is
A. Ammonification
B. Nitrogen fixation
C. Nitrification
D. Denitrification
5 _____is the study of interaction between living organism and their environment
A. Evolation
B. Genetics
C. Ecology
D. Sociology
6 The second trophic level includes the:
A. Producers 
B. Tertiary consumers 
C. Secondary consumers 
D. Primary consumers 
7 Lichens are dual organisms composed of symbiotic association of algae living within a fungus:
A. Mycelium
B. Sporangium
C. Hyphae
D. Rhizophore
8 Both organisms benefit from the ______ relationship
A. Mutualism
B. Commensalism
C. Parasitism
D. All of above
9 A common animal of temperate deciduous forests is the:
A. Kangaroo
B. Cat
C. Leopard
D. Rhesus Monkey
10 An association between certain fungi and the roots of plants growing in acid soil is:
A. Lichens
B. Predation
C. Mycorrhiza
D. Commensalism

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