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 total amount of energy fixed by plants is ______ productions

Question # 2

Plant and animals replace the earlier ones in a way of

Question # 3

The nutrient cycles are also called:

Question # 4

The nutrient cycles are also called as

Question # 5

Most nitrogen moves from the soil into the roots in the form of:

Question # 6

Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces.

Question # 7

A symbiotic relationship that benefits one species & neither helps nor harms the other is called

Question # 8

Fresh water ecosystem  cover the land only:

Question # 9

Parasites live outside of the body are

Question # 10

Oxides of nitrogen are produced by burning of

Question # 11

Annual rainfall in grassland is about:

Question # 12

Which of the following is not true about biotic components

Question # 13

_____is the study of interaction between living organism and their environment

Question # 14

The productivity of aquatic ecosystem is basically determined by the:

Question # 15

The animals which feed on grasses are called:

Question # 16

Primary succession that starts on a dry habitat is called:

Question # 17

Polytrichum is a

Question # 18

What are the environmental buffers?

Question # 19

Ozone is present at about ________ km above earth

Question # 20

This is a ------------------- relationship between algae and fungi

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Diseases in living organisms caused by parasites are called:
A. Infestations
B. Plaques
C. Influxes
D. Swarms
2 ______ lichens are the examples of foliose lichens
A. Dermatocarpon
B. Permellia
C. Both a and b
D. None of above
3 Grazers feed mainly on which kind of plants
A. Tree leaves
B. Shrubs
C. Grasses
D. Cereals
4 Lichens are dual organisms composed of symbiotic association of algae living within a fungus:
A. Mycelium
B. Sporangium
C. Hyphae
D. Rhizophore
5 ______ incorporate gaseous nitrogen from air into organic nitrogen containing compounds
A. Nitrogen fixing bacteria
B. Nitrogen degrading bacteria
C. Both A and B
D. None of above
6 A relationship that harms one of the partners is called
A. Parasitism
B. Symbiosis
C. Commensalism
D. None
7 The basic role of an organism in the community is called
A. Niche
B. Factor
C. Ability
D. None of above
8 The purest form of global warming is in the shape of
A. Disease
B. Flood
C. Acid rain
D. All of these
9 The relationship between insects and flowering plants is the example of:
A. Commensalism
B. Mutualism
C. Predation
D. Parasitism
10 A little light is left to power photosynthesis at the depth of:
A. 500 feet
B. 700 feet
C. 600 Feet
D. 1000 Feet

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