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

In littoral zone, the zooplanktons are:

Question # 2

In coniferous alpine and boreal forest the temperature ranges from:

Question # 3

Succulent plants are

Question # 4

Acid rain is mainly due to

Question # 5

These micro-organisms use the proteins and amino acids and release excess of ammonia (NH3) or ammonium ions (NH4). This process is known as

Question # 6

Pyramid always starts at

Question # 7

Any ecosystem is made up of three components like:

Question # 8

The desert ecosystem of western punjab is called:

Question # 9

Fungi and bacteria are:

Question # 10

Xerosere starts with __________ stage.

Question # 11

Tape worm is the example of

Question # 12

Secondary consumes form ______ trophic level

Question # 13

When bacteria in soil oxidize ammonia or ammonium ions this is called:

Question # 14

All food chains and food webs begin from

Question # 15

Food chains combine to form

Question # 16

The principal stages of this cycle are

Question # 17

Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces.

Question # 18

The tundra vegetation supports the animals called:

Question # 19

Eagle may eat blue bird, but blue bird eats insects like caterpillar and caterpillar feeds on grass or green leaves. This is a ______

Question # 20

Which one of the following is true

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 When we study a single population relationship to its environment it will be called:
A. Mycology
B. Synecology
C. Autecology
D. Ornithology
2 When bacteria in soil oxidize ammonia or ammonium ions this is called:
A. Oxidation
B. Denitrification 
C. Ammonification
D. Nitrification 
3 A lichen is the symbiotic association between a
A. Fungus and a bryophyte
B. Roots of higher plants and an alga
C. Fungus and an alga
D. Roots of a higher plants and a fungus
4 The productivity of aquatic ecosystem is basically determined by the:
A. Light and nutrients
B. Light and carbohydrates 
C. Light and proteins 
D. Light and minerals  
5 Grazing is important
A. To maintain the population of competitors
B. To maintain the population of grasses
C. To maintain the vigor of grasses
D. All of these
6 The eating of grasses is termed as
A. Grassing
B. Browsing
C. Eating
D. None of above
7 Which of the following is not the true about predation
A. Prey increases by increasing the predation
B. Predation increases by increasing the prey
C. Prey decreases by increasing the predation
D. Prey must follow the predation
8 Excessive ploughing of lands in arid regions results in the development of
A. Forest
B. Deserts
C. Grassland
D. Fields
9 The chief reservoir of nitrogen is the
A. Atmosphere
B. Water
C. Soil
D. Rain
10 Succession begins by a few hardy invaders called:
A. Founders
B. Initiators
C. Pioneers
D. Leaders

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