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

In an ecosystem sheep and rabbits are examples of

Question # 2

Root Nodules are the example of

Question # 3

Primary consumers form ______ trophic level

Question # 4

Joseph Grinnell an American scientist was:

Question # 5

Modern man has been on this planet for about

Question # 6

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

Question # 7

A symbiotic association between a fungus and the roots of higher plants is known as

Question # 8

In an ecosystem after succession, a new invaders are called

Question # 9

Grazing is important

Question # 10

Much of nitrogen found in the soil is the result of:

Question # 11

Green plants are ______ trophic level

Question # 12

Nutrient cycle are also called us:

Question # 13

Plant and animals replace the earlier ones in a way of

Question # 14

Succulent plants are

Question # 15

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

Question # 16

A process in which one organism get benefit from the relationship is known as

Question # 17

The fourth trophic level includes the:

Question # 18

Global warming is the result of

Question # 19

Forest ecosystem is subdivided into ____ type of forests.

Question # 20

The oxidation of ammonia is

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 The study of relationship of an organisms to their environment is known is
A. Biology
B. Ecology
C. Zoology
D. Mycology
2 Population of Pakistan was ________ in 1947
A. 23.5 million
B. 30 million
C. 32.5 million
D. 40 million
3 Shallow water zone of the lake near the shore is called:
A. Intertidal zone
B. Littoral zone
C. profundal zone
D. Limnetic zone
4 The study of different communities (grouping of population) in relation to their environment is called
A. Autecology
B. Synecology
C. Ecology
D. Biogeopraphy
5 The example of decomposers of the ecosystem are the
A. Fungi
B. Fungi and bacteria
C. Bacteria
D. Viruses
6 Food web is the group of various
A. Food substances
B. Food chains
C. Trophic levels
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 Omnivores are described by how many trophic levels
A. Any 2
B. Any 3
C. Any 1
D. Primary & any higher
9 Cloud cover is reduced due to
A. Reforestation
B. Afforestration
C. Deforestration
D. Air pollution
10 The relationship in which only one organism benefit from the relationship. The other is not affected at all.
A. Parasitism
B. Commensalism
C. Predation
D. Mutualism

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