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

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Question # 1

In tandra forests the willow tree with an age of 50 year have diameter of trunk only:

Question # 2

Tundra ecosystem is a vast treeless region bordering the:

Question # 3

Bacterial and fungi are mainly included in the group of

Question # 4

The study of different communities (grouping of population) in relation to their environment is called

Question # 5

The parasite that live outside the body of the host is called as

Question # 6

Regional ecological community of plants & animals primarily determined by climate

Question # 7

Which of these diseases is not infectious?

Question # 8

Dominant plant species in grassland are:

Question # 9

The establishment of stable vegetation on an area is termed as

Question # 10

The deficiency of which one of the following is cause of goiter

Question # 11

Food web is the group of various

Question # 12

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 # 13

All food chains and food webs begin from

Question # 14

Primary consumers form ______ trophic level

Question # 15

We can strengthen the soil nitrogen resources by adding:

Question # 16

Global warming is due to

Question # 17

In an ecosystem sheep and rabbits are examples of

Question # 18

Green plants are ______ trophic level

Question # 19

The relationship between insects and flowering plants is the example of:

Question # 20

"Litho" means

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 These micro-organisms use the proteins and amino acids and release excess of ammonia (NH3) or ammonium ions (NH4). This process is known as
A. Ammonification
B. Nitrification
C. Assimilation
D. All of above
2 In lithospheric ecosystem the availability of water is:
A. Unlimited
B. UniForm
C. Limited
D. Zero
3 The average rainfall in desert ecosystem is:
A. 20 - 30 cm
B. 20 - 40 cm
C. 25 - 50 cm
D. 14 - 35 cm
4 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
5 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
6 Topography is study of?
A. Population
B. Individula
C. Earth
D. birds
7 Green house effect, acid rain headaches and coughs are related to which of the followings?
A. Oxides of nitrogen
B. Oxides of sulphur
C. CO
D. CFCs
8 The study of human population and factor affecting it is called
A. Population census
B. Population dynamics
C. Demography
D. Etymology
9 Fresh water ecosystem covers less than ______% of the hydrospheric ecosystems
A. 2
B. 3
C. 1
D. 4
10 An association between certain fungi and the roots of plants growing in acid soil is:
A. Lichens
B. Predation
C. Mycorrhiza
D. Commensalism

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