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

______ lichens are the examples of foliose lichens

Question # 2

A thin layer (zone) of earth in which all living organisms exist is called:

Question # 3

The fungi and bacteria, which obtain their energy from the dead and decaying plants and animals are:

Question # 4

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

Question # 5

The succession started on bare area is called as

Question # 6

Water changes its temperature:

Question # 7

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

Question # 8

In limnetic zone the phytoplankton are:

Question # 9

Moss stage is represented by

Question # 10

Parasites which live inside the host body is called:

Question # 11

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

Question # 12

Plants like cacti store their water in large:

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

Aerosol spray foams are potential sources of

Question # 15

The parasite that lives inside the body of the host is called as

Question # 16

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 # 17

Parasites live outside of the body are

Question # 18

All living organisms supported by biosphere are called

Question # 19

Grazing is important

Question # 20

About ______% of solar energy is used to evaporate water, heat up soil and then lost to the outer space

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 In temperature deciduous forest the range of temperature is form:
A. 0∘C - 30∘C
B. 4∘C - 30∘C
C. 4∘C - 25∘C
D. 4∘C - 40∘C
2 Acid rain is mainly due to
A. SO2
B. NO2
C. Lead components
D. Both a and b
3 The green photosynthetic plants, which capture and bring light energy into the ecosystem are:
A. Decomposers
B. Consumers
C. Producers
D. Scanvengers
4 Some ______ years ago human population and conversion of land to agricultural production began
A. 10,000
B. 40,000
C. 5000
D. None
5 Parasitism is an association between a host and a parasite, which ivolves providing the parasite with:
A. Food
B. Protection
C. Conditions for its survival
D. All a, b, c
6 Coniferous forests of high altitude are known as:
A. tundra
B. Boreal
C. Alpine
D. Arctic
7 Enrichment of water bodies by organic nutrients is called
A. Organic pollution
B. Eutrophication
C. Sewage pollution
D. Dtergents pollution
8 Which of the following is not true about abiotic components
A. Water
B. Temperature
C. Consumers
D. Gravity
9 The parasites that live outside the body of the host are called:
A. Endoparasites
B. Ectoparasites
C. Heteroparasites
D. Both a & c
10 Primary succession that starts on a dry habitat is called:
A. Hydrosere
B. Derosere
C. Xerosere
D. Aquasere

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