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

A collection of related parts that function as a unit is called:

Question # 2

The succession started on rocks is termed as

Question # 3

Heterotrophic organisms are basically:

Question # 4

The eating of grasses is termed as

Question # 5

A lichen is the symbiotic association between a

Question # 6

Polytrichum is a

Question # 7

Modern man has been on this planet for about

Question # 8

The animal that is caught and eaten is called:

Question # 9

The combination of many food chains is termed as

Question # 10

In lithospheric ecosystem the availability of water is:

Question # 11

Pyramid always starts at

Question # 12

The process by which the limited amount of nitrogen is circulated and recirculated throughout the world of living organisms is known as the

Question # 13

Establishment of new forest at places where no forests existed previously is called

Question # 14

The total amount of energy fixed by plants is ______ productions

Question # 15

Food web is the group of various

Question # 16

Tick the biotic (intra-specific) factors:

Question # 17

One mechanism of temperature regulation was developed by land plans and animals by developing.

Question # 18

The term ecology was first used by a ________ zoologist.

Question # 19

Which of the following is always an intracellular parasite

Question # 20

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

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Plants growing in xeric (dry) condition are called:
A. Hydrophytes
B. Xerophytes
C. Mesophytes
D. Derophytes
2 The association between a host and parasite is called
A. Symbiosis
B. Mutualism
C. Parasitism
D. All of these
3 Grazers feed mainly on which kind of plants
A. Tree leaves
B. Shrubs
C. Grasses
D. Cereals
4 The sucessions started on water is called as
A. Hydrosere
B. Xerosere
C. Derosere
D. None of the above
5 Which element is the most potent source for the depletion of ozone layer
A. Chlorine
B. Fluorine
C. Carbon
D. All of them
6 Enrichment of water bodies by organic nutrients is called
A. Organic pollution
B. Eutrophication
C. Sewage pollution
D. Dtergents pollution
7 The solar energy used to evaporate water, heat up soil and then lost to the outer space is:
A. 99%
B. 77%
C. 55%
D. 33%
8 Grasslands of tropic climate have woody trees and are called:
A. Alpine
B. Boreal
C. Biome
D. Savanna
9 ______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds
A. Nitrogen fixing bacteria
B. Nitrogen degrading bacteria
C. Both A and B
D. None of above
10 Ozone is present at about ________ km above earth
A. 5 -10
B. 10 - 20
C. 10 - 40
D. 10 - 50

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