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

Some dominant trees of temperate deciduous forests are

Question # 2

In xerosere, polytrichum and tortula represent.

Question # 3

In which of the following situations would evoluation be lowest for an inter breeding population?

Question # 4

Who proposed the term 'Niche' in ecology.

Question # 5

Pinus wallichiana pinus roxbugil Abies pindrow picea smithiana Cederous deodara are plants of

Question # 6

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

Question # 7

Which one of the following pairs represents analogous features?

Question # 8

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

Question # 9

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

Question # 10

Which one is Tall grass

Question # 11

One of the following is an example of predator prey relationship

Question # 12

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

Question # 13

The abiotic component of an ecosystem is.

Question # 14

Fresh water ecosystem covers less than

Question # 15

In Ecosystem, Second tropic level is altitude are.

Question # 16

Lichens are example of.

Question # 17

Coniferous forests located at high latitude are 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 The existing species are the modified descendants of pre-existing ones according to:
A. Theory of special creation
B. Theory of organic evolution
C. Uniformitarianism
D. Theory of catatrophe
2 The random loss of alleles in a population is called:
A. Mutation
B. Selection
C. Gene flow
D. Genetic drift
3 Fresh water ecosystem covers less than
A. 7%
B. 5%
C. 3%
D. 1%
4 The parts of body use extensivly to cope with the environment become larger & stronger, while those that are not used deteriorate was argued by:
A. Charls darwin
B. Alfred wallace
C. Carolus
D. Lamorck
5 The remoras benefit from this relationship the shark is not affected at all
A. Symbiosis
B. Mycorrhiza
C. Commensalism
D. Mutualism
6 An association between organisms of different species in which one partner gets benefit and other is harmed.
A. Mutualism
B. Symbiosis
C. Parasitism
D. Commensalsim
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 Herbaceous stage in xerosere is the
A. First stage
B. Third stage
C. Fourth stage
D. Last stage
9 In each case succession is initiated by a few hardy invaders called.
A. Starters
B. Pioneers
C. Decomposers
D. Climax community
10 Once nitrate enters the plant cell it is reduced to.
A. Nitrite
B. Ammonia
C. Carbohydrate
D. Proteins

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