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

Major regional ecological community of plants and animals forms:

Question # 2

Diseases in living organisms caused by parasites are called:

Question # 3

The gill pouches present in embryos of mammals :

Question # 4

Which one of a endoparasite of organisms

Question # 5

Primary succession that starts on a dry habitat is called:

Question # 6

The ecosystem present on land or soil is called

Question # 7

Bacterial and fungi are mainly included in the group of

Question # 8

______ symbiont the root nodules of legume plants

Question # 9

Topography is study of?

Question # 10

Biosphere is a thin layer of ______ in which all living organism exist

Question # 11

Crustose refers to:

Question # 12

Which are pioneers of terrestrial ecosystem

Question # 13

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

Question # 14

Global warming is the result of

Question # 15

The deficiency of which one of the following is cause of goiter

Question # 16

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

Question # 17

The last stage of plant succession is

Question # 18

The relationship between insects and flowering plants is the example of:

Question # 19

Which one of the following is not the main ionic nutrient

Question # 20

Dormancy in animals through a drought or dry season is called:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 In littoral zone, the water is:
A. Deeps
B. Very deep
C. Shallow
D. Comes with wave only
2 Global warming is the result of
A. Ozone layer depletion
B. Acid rain
C. Green house gases
D. All of them
3 Abiotic factors include:
A. Geomagnetism
B. Gravity
C. Water
D. All these
4 Layer of earth where life is present is called
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Topography
5 Several bacteria in soil oxidize ammonia or ammonium ions this oxidation is known as
A. Ammonification
B. Nitrification
C. Assimilation
D. All of above
6 The nutrient cycles are also called:
A. Biochemical cycles
B. Geochemical cycles
C. Biogeochemical cycles
D. Elemental cycles
7 Biosphere is spread over the surface of plant earth, extending upto:
A. 8 to 10 km
B. 5 to 6 km
C. 10 to 20 km
D. 8 to 16 km
8 The soil of the deciduous forest is:
A. Yellow
B. Grayish brown
C. Grayish black
D. Black
9 The study of a single population's relationship to its environment will be called as
A. Autecology
B. Synecology
C. Ecology
D. Biogeopraphy
10 After digestion, decomposers releases
A. Various organic substances from organic matter
B. Nitrates, phosphates, and calcium
C. Citric acid, tartaric acid and oxlic acid
D. All of these

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