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

Between 80 to 90% of the original energy is lost as heat as a byproduct of

Question # 2

--------------- begins forged from bare rocks, sand for where no previous life was found

Question # 3

Group of interbreeding organisms residing together in space & times are

Question # 4

Green photosynthetic plants are

Question # 5

The ecosystem consists of interacting components,

Question # 6

Fungi are

Question # 7

Any ecosystem is made up of three components like:

Question # 8

In temperature deciduous forest the range of temperature is form:

Question # 9

Community structures of an ecosystem is called

Question # 10

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

Question # 11

On poles, the average temperature is

Question # 12

Xerophytes can withstand with extreme conditions due to the presence of

Question # 13

Hemophilia is a ________ disease

Question # 14

The nutrient cycles are also called:

Question # 15

Food chains combine to form

Question # 16

Crustose refers to:

Question # 17

The study of relationship of different communities (grouping of population) to environment is called:

Question # 18

Terrestrial ecosystem have main types of ecosystem:

Question # 19

Consumers are ______ organisms

Question # 20

Life on earth is affected by both

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 A community is
A. A collection of plants and animals
B. Autotrophs and heterotrops
C. Population of different species living together in the same area
D. Food chain
2 Decomposers form _______ trophic level
A. First
B. Second
C. Third
D. All
3 Animals feed on green plants and grasses are called
A. Grazers
B. Produces
C. Consumers
D. Predators
4 ------------------- are the autotrophs that capture and bring light energy into ecosystem
A. Decomposers
B. Algae
C. Producers
D. None o these
5 Hemophilia is a ________ disease
A. Heritable
B. Genetic
C. Nutritional deficiency
D. Both a and b
6 In tandra forests the willow tree with an age of 50 year have diameter of trunk only:
A. 5 cm
B. 7 cm
C. 8 cm
D. 10 cm
7 What is cause of Eutrophication
A. Excreta
B. Phosphate
C. Nitrates
D. All
8 Community structures of an ecosystem is called
A. Biosphere
B. Succession
C. Progression
D. Climax community
9 Parasites live outside of the body are
A. Ectoparasites
B. Exoparasites
C. Endoparasites
D. All of these
10 Coniferous forests of high altitude are known as:
A. tundra
B. Boreal
C. Alpine
D. Arctic

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