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 major unit of ecology is the:

Question # 2

Three principal stages of nitrogen cycle are:

Question # 3

Shallow water zone of the lake near the shore is called:

Question # 4

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

Question # 5

Mascara is a type of:

Question # 6

The succession started on rocks is termed as

Question # 7

Life on earth is affected by both

Question # 8

Nitrogen makes up ______ percent of the gases in atmosphere

Question # 9

Soil nitrogen resources are also strengthened by the addition of ______ by the man himself

Question # 10

One poles the average temperature is:

Question # 11

The term ecology was first used by a ________ zoologist.

Question # 12

On poles, the average temperature is

Question # 13

The average rainfall in desert ecosystem is:

Question # 14

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

Question # 15

The study of relationship of a single population to its environment is called:

Question # 16

The deficiency of which one of the following is cause of goiter

Question # 17

The animal that is caught and eaten is called:

Question # 18

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

Question # 19

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

Question # 20

The first comers in an area are termed as

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MCAT Biology Chapter 8 Important MCQ's

Sr.# Question Answer
1 Which of these stages appears as a pioneer during succession on barren land?
A. Foliage lichens
B. Mosses
C. Crustose lichens
D. Fruiticose lichens
2 Primary succession that starts on a dry soil or rock is called:
A. Hydrosere
B. Derosere
C. Xerosere
D. Aquasere
3 Lichens have thick crust and live in extreme conditions is a successional stage of
A. Foliage lichen
B. Crustose lichen
C. Moss stage
D. All of these
4 bare rocks are the habitats of 
A. Mosses
B. Lichens
C. Grasses
D. Trees
5 The major components of ecosystem are
A. 2
B. 3
C. 4
D. 6
6 The ecosystem consists of two basic interacting components:
A. Living and physical
B. Biotic and abiotic
C. Living and biotic
D. Both a & b
7 The deficiency of which one of the following is cause of goiter
A. Iodine
B. Calcium
C. Potassium
D. Iron
8 Coniferous forests of high altitude are known as:
A. tundra
B. Boreal
C. Alpine
D. Arctic
9 Forest ecosystem is subdivided into ____ type of forests.
A. Two
B. Four
C. Five
D. Three
10 Overgrazing
A. Promotes salinity
B. Promotes erosion
C. Promotes grasses
D. Inhibits dicot competitors

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