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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Biology FSC Part 2 Chapter 25 Online MCQ's Test

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Question # 1

The animal that is caought and eaten is called.

Question # 2

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

Question # 3

Moderate grazing is very helpful to maintain ecosystem.

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Tundra ecosystem is located on Mountains

Question # 8

Lichen is a symbiotic association between a fungus and.

Question # 9

Some dominant trees of temperate deciduous forests are

Question # 10

The macronutrient in biogeochemical cycle is.

Question # 11

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

Question # 12

The average rainfall is between 750 - 1500 mm in

Question # 13

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

Question # 14

In root nodules, the organisms present are.

Question # 15

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

Question # 16

One of the following is an example of predator prey relationship

Question # 17

The random loss of alleles in a population 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 The actual location of place, where an organism lives is called its.
A. Niche
B. environment
C. Habitat
D. Ecosystem
2 Study of single population's relationship to its environment is called.
A. Niche
B. Autecology
C. synecology
D. Predation
3 In grassland ecosystem annual rainfall is about 250 to
A. 350 mm
B. 450 mm
C. 650 mm
D. 750 mm
4 The total energy of the sun, trapped by the producer in an ecosystem is about.
A. 20%
B. 01%
C. 10%
D. 30%
5 The leaves with very small surface area, are found in.
A. Hydrophytes
B. Xerophytes
C. Sciophytes
D. Mesophytes
6 The macronutrient in biogeochemical cycle is.
A. Iron
B. Iodine
C.
Zinc
D. Calcium
7 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
8 The study of birds is:
A. Ornithology
B. Ichthyology
C. Herpetology
D. Entomology
9 Grasslands present in temperate climates are also called
A. Prairies
B. Pampas
C. plain
D. Lowland
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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