Population Biotic Community MCQs

Option A: Population

Option B: Community

Option C: Flora

Option D: Fauna

Correct Answer: Population ✔

Option A: Mortality

Option B: Natality

Option C: Dispersal

Option D: Emigration

Correct Answer: Natality ✔

Option A: Environmental resistance

Option B: Biotic potential

Option C: Imigration

Option D: All of these

Correct Answer: Environmental resistance ✔

Option A: Lag phase

Option B: Linear phase

Option C: Stationary phase

Option D: Exponential phase

Correct Answer: Linear phase ✔

Option A: Stationary phase

Option B: Biotic potential

Option C: Acceleration limit

Option D: Carrying capacity

Correct Answer: Carrying capacity ✔

Option A: A list of species present (species structure and diversity indices

Option B: Biomass of producers and consumers

Option C: Autotrophic and heterotrophic measurements

Option D: All of the above

Correct Answer: A list of species present (species structure and diversity indices ✔

Option A: A collection of plant and animals

Option B: Organism living in a habitat

Option C: Autotrophs and hetrotrophs

Option D: Web of life

Correct Answer: Organism living in a habitat ✔

Option A: Vegetation

Option B: Flora

Option C: Species

Option D: Community

Correct Answer: Community ✔

Option A: Biocoenosis

Option B: Zoocoenosis

Option C: Plant community

Option D: Ecotype

Correct Answer: Plant community ✔

Option A: A group of independent and integrating populations of different species

Option B: A group of independent and interacting populations of same species

Option C: A group of a independent and interacting populations of same species in a specific area

Option D: A group of independent and interacting populations of different species in a specific area

Correct Answer: A group of independent and interacting populations of different species in a specific area ✔

Option A: Stratification

Option B: Dominance

Option C: Physiognomy

Option D: Diversity

Correct Answer: Stratification ✔

Option A: Low abundance, little influence

Option B: High abundance, little influence

Option C: Low abundance, high influence

Option D: High abundance, high influence

Correct Answer: Low abundance, high influence ✔

Option A: Keystone species

Option B: Edge species

Option C: Critical link species

Option D: Edaphic pod species

Correct Answer: Critical link species ✔

Option A: Biomass

Option B: Abundance

Option C: Density

Option D: Frequency

Correct Answer: Abundance ✔

Option A: Abundance

Option B: Density

Option C: Frequency

Option D: Phenology

Correct Answer: Frequency ✔

Option A: Diatoms

Option B: Ferns

Option C: Mosses

Option D: Lichens

Correct Answer: Lichens ✔

Option A: Lithophytic

Option B: Xerophytic

Option C: Mesophytic

Option D: Hydrophytic

Correct Answer: Mesophytic ✔

Option A: Potantilla

Option B: Zizyphus

Option C: Umbilicaria

Option D: Grimmia

Correct Answer: Zizyphus ✔

Option A: Ecosystem

Option B: Climatic community

Option C: Ecotons

Option D: Seral community

Correct Answer: Climatic community ✔

Option A: Lichens-mosses-annual herbs-wood shrubs

Option B: Annual herb-weedy shrubs-lichens-mosses

Option C: Woody shrubs-mosses-lichens-annual herbs

Option D: Mosses-annual herbs-woody shrubs-lichens

Correct Answer: Lichens-mosses-annual herbs-wood shrubs ✔

Option A: Rhus

Option B: Weissia

Option C: Poa

Option D: Capparis

Correct Answer: Poa ✔

Option A: Halosphere

Option B: Psammosphere

Option C: Xerosphere

Option D: Hydrosphere

Correct Answer: Psammosphere ✔

Option A: Boswellia

Option B: Balanites

Option C: Anogeissus

Option D: Quercus

Correct Answer: Quercus ✔

Option A: Induced

Option B: Deflated

Option C: Secondary

Option D: Retrogessive

Correct Answer: Secondary ✔

Option A: Erosion

Option B: Fire

Option C: Hail

Option D: Wind

Correct Answer: Erosion ✔

Option A: Ecesis, aggregation and competition

Option B: Migration, aggregation and competition

Option C: Aggregation, competition and coaction

Option D: Migration, ecesis and aggregation

Correct Answer: Migration, ecesis and aggregation ✔

Option A: Clements

Option B: Hult

Option C: Odum

Option D: King

Correct Answer: King ✔

Option A: Tansley

Option B: Hult

Option C: Hodges

Option D: Kormondy

Correct Answer: Hult ✔

Option A: Migration

Option B: Ecesis

Option C: Aggregation

Option D: All of these

Correct Answer: Migration ✔

Option A: Allogenic

Option B: Retrogressive

Option C: Heterotrophic

Option D: Induced

Correct Answer: Heterotrophic ✔

Option A: Edaphic factors

Option B: Biotic factors

Option C: Topographic factors

Option D: All of these

Correct Answer: All of these ✔

Option A: Cyclic succession

Option B: Induced succession

Option C: Retrogressive succession

Option D: Allogenic succession

Correct Answer: Cyclic succession ✔

Option A: Lemna, Wolffia, Spirodela

Option B: Nuphar, Nelumbo, Victoria

Option C: Scirpus, Typha, Sagittaria

Option D: Najas, Ceratophyllum, Elodea

Correct Answer: Scirpus, Typha, Sagittaria ✔

Option A: Nudation – ecesis – aggregation – migration

Option B: Migartion – ecesis – aggregation – nudation

Option C: Nudation – migration – ecesis – aggregation

Option D: Nudation – ecesis – migration – aggregation

Correct Answer: C. Nudation – migration – ecesis – aggregation ✔

Option A: Predictable

Option B: Unpredictable

Option C: Hephazard

Option D: Always changing

Correct Answer: Predictable ✔

Option A: Erosion

Option B: Drought

Option C: Deposition

Option D: Micro-organisms

Correct Answer: Drought ✔

Option A: Induced

Option B: Deflated

Option C: Allogenic

Option D: Autogenic

Correct Answer: Autogenic ✔

Option A: Reaction

Option B: Competition

Option C: Coaction

Option D: Ecesis

Correct Answer: Coaction ✔

Option A: Reaction

Option B: Nudation

Option C: Invasion

Option D: Ecesis

Correct Answer: Reaction ✔

Option A: Primary

Option B: Deflated

Option C: Secondary

Option D: Induced

Correct Answer: Deflated ✔

Option A: Diatoms

Option B: Najas

Option C: Zanichellia

Option D: Lemna

Correct Answer: Diatoms ✔

Option A: Phytoplanktons

Option B: Reed-swamps

Option C: Sedges

Option D: Floating plants

Correct Answer: Floating plants ✔

Option A: Human beings

Option B: Non-pathogenic microbes

Option C: Pathogenic microbes

Option D: Grazing animals

Correct Answer: Non-pathogenic microbes ✔

Option A: Eleocharis, Fimbristylis

Option B: Salix, Populus

Option C: Ranunculus, Polygonum

Option D: Acer, Ulmus

Correct Answer: Salix, Populus ✔

Option A: Hypnuma

Option B: Parmelia

Option C: Lecanora

Option D: Barbula

Correct Answer: Lecanora ✔

Option A: Pond freshly filled with water after a dry phase

Option B: Freshly cleared crop fields

Option C: Newly exposed habitat with no record of earlier vegetation

Option D: Forest clearing after devastating free

Correct Answer: Newly exposed habitat with no record of earlier vegetation ✔

Option A: Climate

Option B: Soil organism

Option C: Bed rock

Option D: Pool of available nutrients

Correct Answer: Pool of available nutrients ✔

Option A: Genetic drift

Option B: Ecological succession trend

Option C: A food pyramid

Option D: A phylogenetic trend

Correct Answer: Ecological succession trend ✔

Option A: Mangroves

Option B: Tropical evergreen forests

Option C: Temperate forests

Option D: Oceanic island communities

Correct Answer: Tropical evergreen forests ✔

Option A: Greenlands

Option B: Savannahas

Option C: Deciduous forests

Option D: Tropical rain forest

Correct Answer: Tropical rain forest ✔

Option A: Seral community

Option B: Biotic community

Option C: Pioneer community

Option D: Ecosere

Correct Answer: Pioneer community ✔

Option A: Blue-green algae

Option B: Viruses

Option C: Lichens

Option D: Mosses

Correct Answer: Viruses ✔

Option A: Biotic succession

Option B: Physiographic succession

Option C: Climatic succession

Option D: Geographic succession

Correct Answer: Biotic succession ✔

Option A: Water factor

Option B: Temperature

Option C: Soil fertility

Option D: Climate

Correct Answer: Climate ✔

Option A: Increases, then decreases

Option B: Remains constant

Option C: Decreases continuously

Option D: Increases continuously

Correct Answer: Increases continuously ✔

Option A: Polygonum

Option B: Casuarina

Option C: Wolffia

Option D: None of these

Correct Answer: Polygonum ✔

Option A: Ecotone

Option B: Climax stage

Option C: Seral community

Option D: Ecotype

Correct Answer: Climax stage ✔

Option A: Herbivores

Option B: Carnivores

Option C: Planktons

Option D: Fauna and flora

Correct Answer: Planktons ✔

Option A: Freshly cleared crop field

Option B: Forest clearing after devastating fire

Option C: Pons, freshly filled water after a dry phase

Option D: Newly-exposed habitat with no record of earlier vegetation

Correct Answer: Newly-exposed habitat with no record of earlier vegetation ✔

Option A: Lichen, mos, herbs, shrubs

Option B: Moss, lichen, herbs, shrubs

Option C: Lichen, moss, shrubs, herbs

Option D: Shrubs, herbs, moss, lichen

Correct Answer: Lichen, mos, herbs, shrubs ✔

Option A: Seral community

Option B: Climax community

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Climax community ✔

Option A: Water factor

Option B: Sand

Option C: Mud

Option D: Desert

Correct Answer: Water factor ✔