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

The nutrient cycles are also called as

Question # 2

Nutrients required by organisms in small quantity or in trace amount like zinc, molybdenum, iron, iodine are:

Question # 3

Heterotrophic organisms are basically:

Question # 4

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

Question # 5

In temperature deciduous forest the range of temperature is form:

Question # 6

Annual rainfall in grassland is about:

Question # 7

Which oxides causes headache and brain damage

Question # 8

Grazing is important

Question # 9

The nutrients in aquatic ecosystem tends to be concentrated near the

Question # 10

The establishment of stable vegetation on an area is termed as

Question # 11

Iron, iodine and zinc required by the organisms are said to the:

Question # 12

Fungi are

Question # 13

Terrestrial ecosystem have main types of ecosystem:

Question # 14

In case of symbiosis ___________ is benefited.

Question # 15

The organisms found in the gut of the termites which help it digest wood are the

Question # 16

About 20 years ago what was the rate at which human population was increasing

Question # 17

Mycorrhiza is an association of

Question # 18

Ecology is a ______ word.

Question # 19

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

Question # 20

Three principal stages of nitrogen cycle are:

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which can't increase their weight in inorganic medium
A. Producer
B. Consumer
C. Decomposer
D. Both b & c
2 Loins are
A. Primary consumers
B. Secondary consumers
C. Tertiary consumer
D. All of above
3 Salt water ocean and sea are the largest ecosystem which cover __________ of earth surfaces.
A. 70%
B. 71%
C. 80%
D. 65%
4 Grazing is important
A. To maintain the population of competitors
B. To maintain the population of grasses
C. To maintain the vigor of grasses
D. All of these
5 The establishment of woody plants that inhibits the growth of most plants other than mosses in succession is known as
A. Climax stage
B. Shrub stage
C. Tree stage
D. All of these
6 Both organisms benefit from the ______ relationship
A. Mutualism
B. Commensalism
C. Parasitism
D. All of above
7 Ecology is a ______ word.
A. German
B. British
C. French
D. Greek
8 Over grazing may lead to:
A. Tundra
B. Taiga
C. Grassland
D. Desert
9 Climax in zerosere is the establishment fo
A. Woody forest
B. Grasses
C. Herbs
D. Shrubs
10 Predation decreases by decreasing the prey due to
A. Decrease in food
B. Decrease in water
C. Decrease in consumers
D. All of these

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