Second Year Biology Chapter 25 Online MCQ Test for 2nd Year Biology Chapter 25 Ecosystem Preparation

FSC Part 2 Biology
Chapter 25 Test

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MCQ's Test For Chapter 0 "Biology FSC Part 2 Chapter 25 Online MCQ's Test"

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Biology FSC Part 2 Chapter 25 Online MCQ's Test

00:00
Question # 1

In sub humid tropical grassland rate of primary production is more than

Question # 2

The living organisms producing their own food.

Question # 3

Water is stored for use during the period of drought in fleshy stems of

Question # 4

Once nitrate enters the plant cell it is reduced to.

Question # 5

The average rainfall is between 750 - 1500 mm in

Question # 6

Using the hardin-weinberg principle, which expression represents the frequency of the homo-zygous recessive genotype?

Question # 7

If population of predator increase then population of prey

Question # 8

Which one of the following pairs represents analogous features?

Question # 9

Annual rain fall in deserts is less than

Question # 10

The whole of the world land is called.

Question # 11

Lichens are example of.

Question # 12

The macronutrient in biogeochemical cycle is.

Question # 13

In Ecosystem, Second tropic level is altitude are.

Question # 14

Soilerosion, fire and water percolation down through the soil cause loss of.

Question # 15

An association between two organisms by which both are benefited is called.

Question # 16

Diseases in living organisms caused by parasites are called.

Question # 17

The animal that is caught and eaten is called.

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FSC Part 2 Biology Chapter 25 Online Test MCQ's

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FSc Part II Biology Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which one is Tall grass
A. Andropogon
B. Panicum
C. Both a & b
D. Stipa
2 Water is stored for use during the period of drought in fleshy stems of
A. Cacti
B. Euphoribia
C. Both a & b
D. None of these
3 In sub humid tropical grassland rate of primary production is more than
A. 2000 g/m2
B. 3000 g/m2
C. 4000 g/m2
D. 6000 g/m2
4 Primary succession may start in a dry soil or rock is called.
A. Hydrosere
B. Xerosere
C. Derosere
D. Desert
5 The total energy of the sun, trapped by the producer in an ecosystem is about.
A. 20%
B. 01%
C. 10%
D. 30%
6 In which of the following situations would evoluation be lowest for an inter breeding population?
A. Migration Selection Pressure Variation(Due to Mutation) Absent Low Low
B. Migration Selection Pressure Variation(Due to Mutation) Absent High High
C. Migration Selection Pressure Variation(Due to Mutation) High Low High
D. Migration Selection Pressure Variation(Due to Mutation) High High Low
7 An association between two organisms by which both are benefited is called.
A. Parasitism
B. commensalism
C. Mutualism
D. Predation
8 Diseases in living organisms caused by parasites are called.
A. Infestation
B. Endoparasites
C. Disinfestation
D. Ectoparasites
9 Herbaceous stage in xerosere is the
A. First stage
B. Third stage
C. Fourth stage
D. Last stage
10 The distinct levels of food chain are called.
A. Food chain
B. Food Web
C. Trophic level
D. Energy pyramid

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