Deck 1: Ecology and Ecosystems: Understanding Interactions and Relationships

Question 1

Ecology deals with the study of:

A)Living beings
B)Living and non living components
C)Reciprocal relationship between living and non living components
D)Environment

Answer 1

Reciprocal relationship between living and non living components

Question 2

Autecology deals with

A)Ecology of species
B)Ecology of many species
C)Ecology of community
D)All the above

Answer 2

Ecology of species

Question 3

Synecology deals with

A)Ecology of many species
B)Ecology of many populations
C)Ecology of community
D)None of the above

Answer 3

Ecology of community

Question 4

Ecotype is a type of species in which environmentally induced variations are

A)Temporary
B)Genetically fixed
C)Genetically not related
D)None of the above

Question 5

The term 'Biocoenosis' was proposed by

A)Transley
B)Carl Mobius
C)Warming
D)None of the above

Question 6

The pyramid of energy in any ecosystem is

A)Always upright
B)May be upright or invented
C)Always inverted
D)None of the above

Question 7

Energy flow in ecosystem is

A)Unidirectional
B)Bidirectional
C)Multidirectional
D)None of the above

Question 8

An ecosystem must have continuous external source of

A)minerals
B)energy
C)food
D)All of the above

Question 9

Trophic levels are formed by

A)Only plants
B)only animals
C)Only carnivorous
D)Organisms linked in food chain

Question 10

Biotic potential is counteracted by

A)Competition with other organisms
B)Producer is the largest
C)Limitation of food supply
D)None of the above

Question 11

Definition of ecosystem is

A)The community of organisms together with the environment in which they live
B)The abiotic component of a habitat
C)The part of the earth and its atmosphere which inhibits living organisms
D)A community of organisms interacting with one another

Question 12

In a food chain of grassland ecosystem the top consumers are

A)Herbivorous
B)Carnivorous
C)Bacteria
D)Either carnivorous or herbivorous

Question 13

MAB stands for

A)Man and biosphere
B)Man, antibiotics and bacteria
C)Man and biotic community
D)Mayer, Anderson and Bisby

Question 14

Species that occur in different geographical regions separated by special barrier are:

A)Allopatric
B)Sympatric
C)Sibling
D)None of the above

Question 15

Which one is true?

A)symbiosis when neither population affects each other
B)symbiosis when the interaction is useful to both the populations
C)commensalism when none of the interacting populations affect each other
D)commensalism when the interaction is useful to both the populations

Question 16

A high density of elephant population in an area can result in

A)mutualism
B)Intraspecific competition
C)Interspecific competition
D)Predation on one another

Question 17

Barnacles growing on the back of whale is an example for

A)mutualism
B)parasitism
C)amensalism
D)commensalism

Question 18

Pencillium does not swallow the growth of bacterium Staphylococcus. This sort of relationship is called

A)commensalism
B)predation
C)amensalism
D)mutualism

Question 19

Symbiosis is shown by

A)E.coli
B)Cuscuta
C)Rafflesia
D)Monotropa

Question 20

When both partners are affected negatively the nature of interaction is

A)commensalism
B)competition
C)predation
D)amensalism

Question 21

An association between two individuals or populations where both are benefitted and where neither can survive without the other is

A)competition
B)commensalism
C)mutualism
D)protocoperation

Question 22

Which of the following interactions will not promote co evolution?

A)commensalism
B)mutualism
C)parasitism
D)interspecific competition

Question 23

The effect of interspecific competition on niches is to make them

A)larger
B)smaller
C)more triangular
D)change location