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

Moderate grazing is very helpful to maintain ecosystem.

Question # 2

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

Question # 3

Similarity in characteristics resulting from common ancestry is known as:

Question # 4

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

Question # 5

The remoras benefit from this relationship the shark is not affected at all

Question # 6

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

Question # 7

C-Eton defined the Niche as the species.

Question # 8

Which one of the following pairs represents analogous features?

Question # 9

In root nodules, the organisms present are.

Question # 10

Study of different communities with relation to environment is called.

Question # 11

In tropical and subtropical grassland rain reaches about

Question # 12

In each case succession is initiated by a few hardy invaders called.

Question # 13

The total energy of the sun, trapped by the producer in an ecosystem is about.

Question # 14

Biome is a

Question # 15

The abiotic component of an ecosystem is.

Question # 16

In grassland ecosystem annual rainfall is about 250 to

Question # 17

In xerosere, polytrichum and tortula represent.

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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 Some dominant trees of temperate deciduous forests are
A. Taxus baccata
B. Pinus wallichiana
C. Berberis lyceum
D. Both a,b and c
2 Tundra ecosystem is located on Mountains
A. Kara-koram
B. Hindukush
C. Salman
D. Both a & b
3 Similarity in characteristics resulting from common ancestry is known as:
A. Analogy
B. Homology
C. Evolutionary relationship
D. Phylogeny
4 Who proposed the term 'Niche' in ecology.
A. Haeckel
B. Grinnell
C. Elton
D. Darwin
5 In xerosere, polytrichum and tortula represent.
A. Herbaceous stage
B. Moss stage
C. Follage lichen stage
D. Crustose lichen stage
6 Study of single population's relationship to its environment is called.
A. Niche
B. Autecology
C. synecology
D. Predation
7 C-Eton defined the Niche as the species.
A. Behavior
B. Role
C. Address
D. Habitat
8 The remoras benefit from this relationship the shark is not affected at all
A. Symbiosis
B. Mycorrhiza
C. Commensalism
D. Mutualism
9 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
10 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

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