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

The first comers in an area are termed as

Question # 2

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

Question # 3

The gross production of an ecosystem is its total

Question # 4

Which of these stages appears as a pioneer during succession on barren land?

Question # 5

The animal that is caught and eaten is the

Question # 6

In coniferous alpine and boreal forests the winter is:

Question # 7

______ components include all living organisms including plants and animals supported by biosphere

Question # 8

The succession started on deserts is termed as

Question # 9

In an ecosystem after succession, a new invaders are called

Question # 10

Nutrient elements become the part of protoplasm during

Question # 11

The desert ecosystem of western punjab is called:

Question # 12

Grasslands of tropic climate have woody trees and are called:

Question # 13

------------------- are the autotrophs that capture and bring light energy into ecosystem

Question # 14

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

Question # 15

The term ecology comes from the Greek words Oikos, meaning "the family household" and logy (logos) meaning:

Question # 16

In littoral zone, the water is:

Question # 17

Decomposers form _______ trophic level

Question # 18

The ecosystem present on land or soil is called

Question # 19

Which one of the following is an example of commensalism

Question # 20

All living organisms supported by biosphere are called

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The last stage of plant succession is
A. Pioneer
B. Climax
C. Community
D. None of above
2 What is cause of Eutrophication
A. Excreta
B. Phosphate
C. Nitrates
D. All
3 Animals are
A. Producers
B. Consumers
C. Decomposers
D. Non of the above
4 A little light is left to power photosynthesis at the depth of:
A. 500 feet
B. 700 feet
C. 600 Feet
D. 1000 Feet
5 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
6 The study of different communities (grouping of population) in relation to their environment is called
A. Autecology
B. Synecology
C. Ecology
D. Biogeopraphy
7 As the number of the predators decreases the numbering of prey:
A. Decreases
B. Increases
C. Remain constant 
D. Sometime increases sometime decrease
8 About 20 years ago what was the rate at which human population was increasing
A. 1%
B. 2%
C. 3%
D. 5%
9 Dominant species of mammals in grassland are the:
A. Omnivores
B. Herbivores
C. Carnivores
D. Insectivores
10 Mycorrhiza is an association between the roots of plants growing in acid soil and certain
A. Virus
B. Fungi
C. Bacteria
D. Nematods

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