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

Succulent plants are

Question # 2

The total energy from the sun is trapped by the producers in an ecosystem is about:

Question # 3

In which types of soil does water logging occur?

Question # 4

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

Question # 5

When succession starts on dry soil or rocks it is called:

Question # 6

The combination of many food chains is termed as

Question # 7

Secondary consumes form ______ trophic level

Question # 8

The principal stages of this cycle are

Question # 9

______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds

Question # 10

Water changes its temperature:

Question # 11

Biosphere is spread over the surface of plant earth, extending upto:

Question # 12

Crustose refers to:

Question # 13

Xerophytes can withstand with extreme conditions due to the presence of

Question # 14

The first comers in an area are termed as

Question # 15

Leech is preferably a

Question # 16

Predator-prey relationship has a significant influence on:

Question # 17

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

Question # 18

Some ______ years ago human population and conversion of land to agricultural production began

Question # 19

Tape worm is the example of

Question # 20

Dormancy in animals through a drought or dry season is called:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The succession started on rocks is termed as
A. Hydrosere
B. Xerosere
C. Serosere
D. None of the above
2 All living organisms supported by biosphere are called
A. Biotic components
B. Abiotic components
C. Autecology
D. Synecology
3 Nitrogen makes up ______ percent of the gases in atmosphere
A. 76
B. 77
C. 78
D. 98
4 Plants like cacti store their water in large:
A. Collenchyma tissues
B. Mesenchymal tissues
C. Parenchyma tissues
D. Epidermal tissues 
5 Between 80 to 90% of the original energy is lost as heat as a byproduct of
A. Photosyntheis
B. Urine
C. Respiration
D. All of the above
6 Tick the biotic (intra-specific) factors:
A. Wave action, humidity, light
B. Colonization,aggregation,parental care
C. Neutralism,mutualism,predation
D. Mineral elements, mutualism,parasitism
7 Elements required in large amount are called
A. Micronutrient
B. Macronutrient
C. Organic elements
D. Inorganic elements
8 Which eat consumers
A. Predators
B. Carnivores
C. Omnivores
D. All
9 The synecology is also termed as
A. Community ecology
B. Population ecology
C. Specie ecology
D. All of above
10 Plants growing in xeric condition are called
A. Xerophytes
B. Mesophytes
C. Hydrophytes
D. Schizophytes

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