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

Try The MCQ's Test For MDCAT Biology Chapter 8 MCQ's Test

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MDCAT Biology Chapter 8 MCQ's Test

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Question # 1

Mycorrhiza is an association between the roots of plants growing in acid soil and certain

Question # 2

The relationships between insects and flowering plants is an example of:

Question # 3

The total energy from the sun is trapped by the producers in an ecosystem is about:

Question # 4

Excessive ploughing of lands in arid regions results in the development of

Question # 5

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

Question # 6

Bacterial and fungi are mainly included in the group of

Question # 7

The productivity can be indicated by:

Question # 8

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

Question # 9

The chief reservoir of nitrogen is the

Question # 10

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

Question # 11

Which one of the following is not the main ionic nutrient

Question # 12

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

Question # 13

Group of interbreeding organisms residing together in space & times are

Question # 14

Food web maintains the stability of

Question # 15

Plants like cacti store their water in large:

Question # 16

A dominant plant of temperate deciduous forests is the :

Question # 17

______ is a change in the community structure of an ecosystem over a period of time

Question # 18

We can strengthen the soil nitrogen resources by adding:

Question # 19

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

Question # 20

The major unit of ecology is the:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Xerophytes can withstand with extreme conditions due to the presence of
A. Large parenchyma cells in the leaf
B. Sunken stomata
C. Thick cuticle and palisade layer
D. All of these
2 Infestations are the diseases which are caused by ________ in living organisms
A. Worms
B. Saprophytes
C. Bacteria
D. Virus
3 Enrichment of water bodies by organic nutrients is called
A. Organic pollution
B. Eutrophication
C. Sewage pollution
D. Dtergents pollution
4 Animals are
A. Producers
B. Consumers
C. Decomposers
D. Non of the above
5 Major unit of ecology is :
A. Ecosystem
B. Community
C. Biosphere
D. Population
6 Fungi and bacteria are:
A. Producers
B. Consumers
C. Decomposers 
D. Predators
7 The animal that is caught and eaten away is called
A. Victim
B. Prey
C. Predators
D. Host
8 The chemical elements essential for life in living organisms are called:
A. Biogenic elements
B. Nutrient elements
C. Both a & b
D. Genetic elements
9 A thin layer of earth in which all living organisms live is called:
A. Biosphere
B. Habitat
C. Niche
D. Hydrosphere
10 The establishment of woody plants that inhibits the growth of most plants other than mosses in succession is known as
A. Climax stage
B. Shrub stage
C. Tree stage
D. All of these

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