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

When living and non-living interact to produce a stable system in which exchange of materiel with flow of energy takes place, it forms a/an:

Question # 2

Consumers

Question # 3

Secondary consumes form ______ trophic level

Question # 4

Charles Eton defined the niche as the species:

Question # 5

The synecology is also termed as

Question # 6

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

Question # 7

Root Nodules are the example of

Question # 8

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

Question # 9

Consumers are the all the organisms, primarily animals. They obtain energy directly or indirectly from

Question # 10

Xerosere starts with __________ stage.

Question # 11

An ecosystem is made up of three main components:

Question # 12

An animal that preys other animals is called:

Question # 13

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

Question # 14

Lichens have thick crust and live in extreme conditions is a successional stage of

Question # 15

Chlorofluorocarbons are

Question # 16

Population of Pakistan was ________ in 1947

Question # 17

In temperate grassland the rate primary production is about:

Question # 18

Plants growing in xeric (dry) condition are called:

Question # 19

The green photosynthetic plants, which capture and bring light energy into the ecosystem are:

Question # 20

The land will be turned to barren land if there is:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 What is cause of Eutrophication
A. Excreta
B. Phosphate
C. Nitrates
D. All
2 Which is not a seral stage
A. Climax forest
B. Moss
C. Shrub
D. None
3 Abiotic factors include:
A. Geomagnetism
B. Gravity
C. Water
D. All these
4 Several bacteria in soil are able to oxidize ammonia or ammonium ions, this oxidation is known as:
A. Ammonification
B. Nitrification
C. Denitrification
D. Amino-oxidation
5 The parasites that live outside the body of the host are called:
A. Endoparasites
B. Ectoparasites
C. Heteroparasites
D. Both a & c
6 Annual rainfall in grassland is about:
A. 250 to 650 mm
B. 250 to 850 mm
C. 250 to 450 mm
D. 250 to 750 mm
7 Which of the following is always an intracellular parasite
A. Zooparasite
B. Viral parasite
C. Phyto parasite
D. Microbial parasite
8 Predation is a process of
A. Prey
B. Predator
C. Prey and predator
D. None of these
9 Animals feed on green plants and grasses are called
A. Grazers
B. Produces
C. Consumers
D. Predators
10 Bacterial live and get food from roots of plants is an example of
A. Symbiosis
B. Mutualism
C. Parasitism
D. Infestation

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