Deck 2: Ecological Succession and Pyramid Structures

Question 1

The pioneers in xerach succession is the

A)crustose lichen
B)mosses
C)foliose lichen
D)shrubs

Answer 1

crustose lichen

Question 2

The process of successful establishment of the species in a new area is called

A)sere
B)climax
C)invasion
D)ecesis

Answer 2

ecesis

Question 3

The formation of a climax community from an abandoned farm land is a an example of

A)Autogenic succession
B)allogenic successsion
C)primary succession
D)secondary succession

Answer 3

secondary succession

Question 4

Succession initiated on large sand deposits or deserts is called

A)hydrosere
B)psammosere
C)xerosere
D)oxylosere

Question 5

The development of a bare area without any life form is called

A)nudation
B)ecesis
C)sere
D)reaction

Question 6

The conversion of a pond to a climax forest community is an example of

A)xerarch succession
B)mesarch succession
C)hydrarch succession
D)all of these

Question 7

The intermediate developmental stages in the ecological succession is called

A)sere
B)ecesis
C)climax
D)nudation

Question 8

All the statements are correct regarding ecological succession except

A)It is a random process
B)Species diversity increases as succession proceeds
C)The food chain relationships becomes more complex
D)The role of decomposers becomes more and more important

Question 9

The order of succession in a lithosere or xerosere is

A)Foliose lichen stage->Crustose lichen stage->moss stage->herb stage->shrub stage->forest stage (climax community)
B)Crustose lichen stage->Foilose lichen stage->moss stage->herb stage->shrub stage->forest stage (climax community)
C)Moss stage ->Foilose lichen stage-> Crustose lichen stage ->herbstage->shrub stage->forest stage (climax community)
D)Crustose lichen stage->Foilose lichen stage->moss stage-> ->shrubstage-> herb stage->forest stage (climax community)

Question 10

The order of succession in a hydrosere is

A)Rooted aquatic plants-> phytoplankton->Free floating stage->Reedswamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
B)Rooted aquatic plants-> phytoplankton->Free floating stage-> SedgeMeadow stage-> Reed swamp stage-> wood land stage-> Climax forest
C)phytoplankton->Rooted aquatic plants->Free floating stage->Reedswamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest
D)phytoplankton->Rooted aquatic plants->Free floating stage->Reedswamp stage->Sedge Meadow stage-> wood land stage-> Climax forest

Question 11

The pyramid of numbers is inverted in the case of

A)parasitic food chain
B)Grassland ecosystem
C)Forest ecosystem
D)lake ecosystem

Question 12

The concept of ecological pyramid was first proposed by

A)E.P. Odum
B)A.G. Tansley
C)Juday
D)Charles Elton

Question 13

The pyramid of energy in terrestrial ecosystem is

A)upright
B)inverted
C)spindle shaped
D)irregular

Question 14

Which of the following ecological pyramid is always upright?

A)Pyramid of energy
B)Pyramid of number
C)Pyramid of biomass
D)none of these

Question 15

The pyramid of numbers in a single tree is

A)upright
B)inverted
C)spindle shaped
D)none of these

Question 16

A graphic representation of number of individuals of different species belonging to each trophic level in a an ecosystem is known as

A)ecological pyramid
B)pyramid of biomass
C)pyramid of number
D)pyramid of energy

Question 17

The pyramid of biomass is inverted in

A)forest ecosystem
B)grassland ecosystem
C)fresh water ecosystem
D)tundra

Question 18

In pond ecosystem, the pyramid of biomass is

A)upright
B)inverted
C)spindle shaped
D)none of these

Question 19

In grassland ecosystem, the pyramid of biomass is

A)upright
B)inverted
C)spindle shaped
D)none of these

Question 20

Which of the following statement is incorrect regarding ecological pyramids

A)The pyramid of energy is inverted in ocean ecosystem
B)The pyramid of biomass is inverted in aquatic ecosystem
C)The pyramid of numbers is upright in grass land ecosystem
D)The pyramid of biomass is upright in grass land ecosystem

Question 21

Organisms having the potential for interbreeding and producing fertile offspring is called

A)Class
B)Order
C)Genus
D)Species

Question 22

A group of individuals of a plant or animal species, inhabiting a given area is called

A)Biome
B)Population
C)Ecosystem
D)Community

Question 23

Climate includes

A)Seasonal variation
B)General patterns of atmosphere conditions
C)Average weather of an area
D)All of these