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

One poles the average temperature is:

Question # 2

The oxygen concentration in the air is maintained by the green plants which release it during

Question # 3

Primary succession that starts on a dry soil or rock is called:

Question # 4

In 1917, Joseph Grinnell an American ornithologist first proposed the term niche in:

Question # 5

Nitrogen makes up ______ percent of the gases in atmosphere

Question # 6

Which one of a endoparasite of organisms

Question # 7

Biosphere is spread over the surface of plant earth, extending upto:

Question # 8

In temperature deciduous forest the average rainfall is:

Question # 9

Infestations are the diseases which are caused by ________ in living organisms

Question # 10

_____is the study of interaction between living organism and their environment

Question # 11

Parasites that live inside the body of the host:

Question # 12

The total amount of energy fixed by plants is ______ productions

Question # 13

Plants growing on dry habitat is called:

Question # 14

The term originally was coined by the German zoologist Ernst Haeckel in

Question # 15

Which of the following is always an intracellular parasite

Question # 16

A community is

Question # 17

Crustose refers to:

Question # 18

A new system is developed after an existing ecosystem is called

Question # 19

The legume plants, Pea and been are the hosts to symbiont bacteria which inhabit the roots forming root:

Question # 20

Plants growing in xeric condition are called

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Layer of earth where life is present is called
A. Hydrosphere
B. Lithosphere
C. Biosphere
D. Topography
2 Succulent plants are
A. Xerophytes
B. Mesophytes
C. Hydrophytes
D. None of above
3 Parasites which live inside the host body is called:
A. Ectoparasite 
B. Endoparasite 
C. Intestinal parasite
D. Muscular parasite 
4 In an ecosystem after succession, a new invaders are called
A. Pioneers
B. Predecessors
C. Climax community
D. None of these
5 Producers are
A. Heterophs
B. Green plants
C. Carnivores
D. Herbivores
6 The association between a host and parasite is called
A. Symbiosis
B. Mutualism
C. Parasitism
D. All of these
7 In limnetic zone the phytoplankton are:
A. Cyanobacteria
B. Protozoan
C. Fungi 
D. Bacteria 
8 Lichens are dual organisms composed of symbiotic association of algae living within a fungus:
A. Mycelium
B. Sporangium
C. Hyphae
D. Rhizophore
9 About ______% if the total energy from the sun is trapped by the producers in an ecosystem
A. 0.5
B. 1.0
C. 1.5
D. 2.0
10 Excessive ploughing of lands in arid regions results in the development of
A. Forest
B. Deserts
C. Grassland
D. Fields

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