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

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Question # 1

Fresh water ecosystem covers less than

Question # 2

The stage in which Lichens are just like crumpled leaves attached to one point.

Question # 3

The bacteria in the root nodules fix nitrogen and convert it into

Question # 4

The leaves with very small surface area, are found in.

Question # 5

Diseases in living organisms caused by parasites are called.

Question # 6

Which one of the following would cause the hardy-weinberg principle to be inacurate?

Question # 7

Biome is a

Question # 8

The existing species are the modified descendants of pre-existing ones according to:

Question # 9

The animal that is caught and eaten is called.

Question # 10

In 1917, term Niche was first proposed by American ornithologist named.

Question # 11

C-Eton defined the Niche as the species.

Question # 12

A localized group of individuals belonging to the same species is called as.

Question # 13

Study of different communities with relation to environment is called.

Question # 14

Once nitrate enters the plant cell it is reduced to.

Question # 15

The random loss of alleles in a population is called:

Question # 16

The whole of the world land is called.

Question # 17

The study of birds is:

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25th Chapter

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 All the food chains begin with.
A. Producers
B. Primary consumers
C. Secondary consumers
D. Decomposers
2 In Ecosystem, Second tropic level is altitude are.
A. Producer
B. Primary consumer
C. Secondary consumer
D. Tertiary consumer
3 Human appendix, coccyx and nictiating membrane of the eye are:
A. Vestigical organs
B. Homologous organs
C. Analogous organs
D. Embroyonic organs
4 In tropical and subtropical grassland rain reaches about
A. 1500 mm
B. 2000 mm
C. 2500 mm
D. 3000 mm
5 Who proposed the term 'Niche' in ecology.
A. Haeckel
B. Grinnell
C. Elton
D. Darwin
6 Biome is a
A. Simple community
B. Complex community
C. Regional community
D. Climax community
7 Which one of the following would cause the hardy-weinberg principle to be inacurate?
A. The size of the population is very large.
B. Individual mate with one another at random
C. Natural selection is present
D. There is no source of new copies of alleles from outside the population
8 In grassland ecosystem annual rainfall is about 250 to
A. 350 mm
B. 450 mm
C. 650 mm
D. 750 mm
9 Moderate grazing is very helpful to maintain ecosystem.
A. Tundra
B. Grass land
C. Pond
D. Desert
10 An association between two organisms by which both are benefited is called.
A. Parasitism
B. commensalism
C. Mutualism
D. Predation

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