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

00:00
Question # 1

Grasslands of tropic climate have woody trees and are called:

Question # 2

The amount of energy left after plant have met their respiratory need is net primary production called as

Question # 3

Both organisms benefit from the ______ relationship

Question # 4

The major components of ecosystem are

Question # 5

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

Question # 6

The relationship of a single population towards its environment is called

Question # 7

The chemical elements essential for life in living organisms are called:

Question # 8

The term originally was coined by the German zoologist Ernst Haeckel in

Question # 9

Limnetic phytoplanktons include:

Question # 10

The green photosynthetic plants, which capture and bring light energy into the ecosystem are:

Question # 11

The animal that is caught and eaten away is called

Question # 12

There is an association between two organisms, which brings benefits to both the organisms

Question # 13

A short food chain of two or three links supports a community:

Question # 14

When bacteria break down nitrates and release nitrogen  back into atmosphere this process is called:

Question # 15

All the organisms, primarily animals, which obtain energy directly or indirectly from the produces as ready-organic food are:

Question # 16

Population of Pakistan was ________ in 1947

Question # 17

Ecology is a ______ word.

Question # 18

In 1917, Joseph Grinnell an American ornithologist first proposed the term niche in:

Question # 19

______ components include all living organisms including plants and animals supported by biosphere

Question # 20

Overgrazing

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Oxides of nitrogen are produced by burning of
A. Carbonate
B. Leaded patrol
C. Fossil fuels
D. All of above
2 Nutrient elements become the part of protoplasm during
A. Photosynthesis
B. Decomposition
C. Fixation
D. Assimilation
3 A symbiotic association between a fungus and the roots of higher plants is known as
A. Lichen
B. Parasitism
C. Mycorrhiza
D. Commensalism
4 Dams and canal networks developed for irrigation purpose in Pakistan and many other countries create the problems of
A. Salinity and soil erosion
B. Salinity and water logging
C. Soil depletion and water erosion
D. Soil erosion and depletion
5 Ecology is a ______ word.
A. German
B. British
C. French
D. Greek
6 When succession starts on dry soil or rocks it is called:
A. Hydrosere 
B. Derosere
C. Xerosere
D. lithosere
7 Which eat consumers
A. Predators
B. Carnivores
C. Omnivores
D. All
8 Crustose refers to:
A. Aquatic lifeless structure
B. Aquatic lively structure
C. Land lively structure
D. Land lifeless structure
9 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
10 Mycorrhiza is an association of
A. Algae with roots of higher plants
B. Bryophytes with roots of higher plants
C. Fungi with roots of higher plants
D. Bacteria with roots of higher plants

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