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

The relationship in which only one organism benefit from the relationship. The other is not affected at all.

Question # 2

In each case succession begins with few hard invaders called:

Question # 3

The gill pouches present in embryos of mammals :

Question # 4

_____is the study of interaction between living organism and their environment

Question # 5

The basic role of an organism in the community is called

Question # 6

______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds

Question # 7

The nutrients in aquatic ecosystem tends to be concentrated near the

Question # 8

The term niche in ecolgy was first proposed by:

Question # 9

Food chains combine to form

Question # 10

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

Question # 11

Tick the biotic (intra-specific) factors:

Question # 12

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

Question # 13

Biosphere is a thin layer of ______ in which all living organism exist

Question # 14

Which of these diseases is not infectious?

Question # 15

Actual place or location where an organism lives is called us:

Question # 16

Global warming is the result of

Question # 17

An animal that preys other animals is called:

Question # 18

Ornithology is the sudy of

Question # 19

The animal that is caught and eaten is called:

Question # 20

Population of Pakistan was ________ in 1947

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Both organisms benefit from the ______ relationship
A. Mutualism
B. Commensalism
C. Parasitism
D. All of above
2 Which include seral stages of a primary succession are
A. Lichen & algae
B. Mosses and ferns
C. Grasses & shrubs
D. All of these
3 Many cold=blooded animals remain inactive during winter season; it is called:
A. Hibernation
B. Condensation
C. Morphosis
D. Proto-operation
4 In lithospheric ecosystem the availability of water is:
A. Unlimited
B. UniForm
C. Limited
D. Zero
5 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
A. 8 - 10
B. 8 - 12
C. 8 - 14
D. 8 - 16
6 Overgrazing resulted in
A. Diminishing the grasses
B. Desert
C. Barren land
D. All of these
7 We can strengthen the soil nitrogen resources by adding:
A. Liquid nitrogen to soil
B. Ammonia gas to soil
C. Nitrogen fertilizers to soil
D. Nitrogen fixing bacteria to soil 
8 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
9 The soil of the deciduous forest is:
A. Yellow
B. Grayish brown
C. Grayish black
D. Black
10 Dormancy in animals through a drought or dry season is called:
A. Eurythermal
B. Diapause
C. Aestivation
D. None of these

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