MDCAT Biology Chapter 8 MCQ Test With Answer for (Evolution)

While preparing for the test, the students should allocate the proper time to all the topics. The candidates who intend to appear in the MDCAT must solve the chapter-wise MCQs provided on this platform. Through solving the MCQs, the students can better understand the topic and learn the topics for a longer time.

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

Decomposers form _______ trophic level

Question # 2

Algae are

Question # 3

Dandruff is caused by

Question # 4

______ symbiont the root nodules of legume plants

Question # 5

The productivity can be indicated by:

Question # 6

The solar energy used to evaporate water, heat up soil and then lost to the outer space is:

Question # 7

The type of association between two organisms, which brings benefit to both the organisms is called

Question # 8

______ is a group of interbreeding individuals occurring together in space and time

Question # 9

Dominant plant species in grassland are:

Question # 10

The bacteria in the root nodules fix ______ in soil air, converting it to amino acids

Question # 11

Green, plants are basically:

Question # 12

Several bacteria in soil oxidize ammonia or ammonium ions this oxidation is known as

Question # 13

When we study a single population relationship to its environment it will be called:

Question # 14

The productivity of aquatic ecosystem is basically determined by the:

Question # 15

A common animal of temperate deciduous forests is the:

Question # 16

The animal that is caught and eaten is called:

Question # 17

The amount of energy left after plants have met their respiratory needs is net primary production, which shows up as plant:

Question # 18

The dead plants and animal bodies in lakes are decomposed by certain:

Question # 19

The amount of energy left after plants have met their respiratory needs shows up the plant:

Question # 20

Plants growing in xeric condition are called

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Plants growing in extreme cold soil are called:
A. Sciophytes
B. Psychrophytes
C. Heliophytes
D. Cyanophytes
2 The succession started on bare area is called as
A. Primary succession
B. Secondary succession
C. Tertiary succession
D. Quartnary succession
3 The solar energy used to evaporate water, heat up soil and then lost to the outer space is:
A. 99%
B. 77%
C. 55%
D. 33%
4 Many cold=blooded animals remain inactive during winter season; it is called:
A. Hibernation
B. Condensation
C. Morphosis
D. Proto-operation
5 In which types of soil does water logging occur?
A. Silt
B. Clay
C. Gravel
D. Sand
6 Shallow water zone of the lake near the shore is called:
A. Intertidal zone
B. Littoral zone
C. profundal zone
D. Limnetic zone
7 Air conditioners are the source of
A. Effluents
B. SO2,NO2
C. Heavy metals
D. CFCs
8 Which element is the most potent source for the depletion of ozone layer
A. Chlorine
B. Fluorine
C. Carbon
D. All of them
9 Soil nitrogen resources are also strengthened by the addition of ______ by the man himself
A. Nitrogen fertilizers
B. Nitrogen
C. Fertilizers
D. None of above
10 Most nitrogen moves from the soil into the roots in the form of:
A. Nitrogen gas 
B. Nitrites 
C. Ammonia
D. Nitrates 

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