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

00:00
Question # 1

The ecosystem consists of two basic interacting components:

Question # 2

Terrestrial ecosystem have main types of ecosystem:

Question # 3

About 20 years ago what was the rate at which human population was increasing

Question # 4

An animal that preys other animals is called:

Question # 5

Nitrogen makes up ______ percent of the gases in atmosphere

Question # 6

Community structures of an ecosystem is called

Question # 7

Hemophilia is a ________ disease

Question # 8

Tape worm is the example of

Question # 9

In temperature deciduous forest the range of temperature is form:

Question # 10

Green, plants are basically:

Question # 11

Identify correct trophic level of food chain

Question # 12

Layer of earth where life is present is called

Question # 13

Food chains combine to form

Question # 14

Limnetic phytoplanktons include:

Question # 15

The symbiotic relationship in which both the partners get benefit is:

Question # 16

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

Question # 17

Shallow water zone of the lake near the shore is called:

Question # 18

Plants growing in xeric condition are called

Question # 19

Which one of a endoparasite of organisms

Question # 20

Xerosere starts with __________ stage.

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Sr.# Question Answer
1 Elements required in large amount are called
A. Micronutrient
B. Macronutrient
C. Organic elements
D. Inorganic elements
2 This is a ------------------- relationship between algae and fungi
A. Symbiotic
B. Mutualistic
C. Parasitic
D. Mycorrhizal
3 Heterotrophic organisms are basically:
A. Producers
B. Consumers
C. Producer and consumers
D. None of these
4 The organisms found in the gut of the termites which help it digest wood are the
A. Bacteria
B. Fungi
C. Flagellates
D. Viruses
5 Topography is study of?
A. Population
B. Individula
C. Earth
D. birds
6 The study of human population and factor affecting it is called
A. Population census
B. Population dynamics
C. Demography
D. Etymology
7 One atom of chlorine can destroy up to ___________ ozone molecules?
A. One million
B. One billion
C. One thousand
D. Two million
8 The nutrient cycles are also called as
A. Biogeochemical cycles
B. Biochemical cycles
C. Geo-cycles
D. All of above
9 The major unit of ecology is the:
A. Physical component
B. Biotic component
C. Ecosystem
D. Logos
10 The study of relationship of different communities (grouping of population) to environment is called:
A. Synecology
B. Community ecology
C. Autoecology
D. Both a & b
11 Root Nodules are the example of
A. Predation
B. Symbiosis
C. Parasitism
D. None of above
12 Nitrogen makes up 78 percent of the gases in:
A. Biosphere
B. Ecosphere
C. Lithosphere
D. Atmosphere
13 The organisms of same species live in a same place is called
A. Community
B. Population
C. Consumers
D. All of these
14 Identify correct trophic level of food chain
A. Fox >>> rabbit >>> beetle
B. Dog >>> Rabbit >>> grass
C. Owl >>> Rat >>> Rabbit
D. Fox >>> beetle >>> Rabbit
15 The succession started after destruction of an area is called as
A. Primary succession
B. Secondary succession
C. Tertiary succession
D. Quartnary succession
16 The study of a single population's relationship to its environment will be called as
A. Autecology
B. Synecology
C. Ecology
D. Biogeopraphy
17 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
18 An ecosystem is made up of three main components:
A. The herbivores, carnivores and omnivores
B. The produces, the consumers and the decomposers
C. Primary, secondary and tertiary consumers
D. Producers, herbivores and carnivoers
19 A little light is left to power photosynthesis at the depth of:
A. 500 feet
B. 700 feet
C. 600 Feet
D. 1000 Feet
20 Aerosol spray foams are potential sources of
A. Carbon monoxide
B. Sulphur dioxide
C. Chlorofluorocarbons (CFCs)
D. Lead compounds

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