Ecology MCQ: MCQ Test (25 questions)

Question 1 of 25

An association of individuals of different species living in the same habitat and having functional interactions is :

APopulation
BEcological niche
CBIotic community
DEcosystem

Question 2 of 25

Ecosystem is-

AAlways open
BAlways closed
CBoth open closed depending upon community
DBolth open and closed depending upon biomass

Question 3 of 25

Which of the following is most stable ecosystem ?

AForest
BGrass land
CDesert
DSea

Question 4 of 25

Ina ecosystem the largest number is that of-

APrimary producer
BPrimary consumer
CSecondary consumer
DDecomposer

Question 5 of 25

Crop sown soon after the onset of south- wst monsoon in India is called-

ARabi
BKharif
CRainfed
DDry farming

Question 6 of 25

Epiphytes are found in those places where-

ATemperature is very low
BConcentration of oxygen is high
CRain fall occur all over year
DRain fall occur according to season

Question 7 of 25

Abiotic component of our environment-

APlants
BAnimal
CBoth a and b
DAir

Question 8 of 25

B-Diversity is also known as-

AGlobal diversity
BEcosystem diversity
CBetween habitat diversity
DWithin habital diversity

Question 9 of 25

Which of the following constitute a food-chain ?

AGrass, wheat and mango
BGrass, goat and human
CGoat, cow and elephant
DGrass. Fish and goatn(e) None of the above

Question 10 of 25

We get solar energy from-

AMoon
BSea
CSun
DAir

Question 11 of 25

Which one of the following organisms is likely to show the highest concentration of DDT, one it has been introduce into the ecosystem-

AGrasshopper
BToad
CSnake
DCattle

Question 12 of 25

Plant and animal living in a particular area constitute-

AFlora and Fauna
BCommunity
CEcosystem
DEcology

Question 13 of 25

Long roots system are found in xerophytes, because-

AIt give mechanical support to plant
BTo absorb water situated deep inside earth
CHigh temperature of soil cause growth in root
DHow temperature during night cause growth on root

Question 14 of 25

In a food chain man is-

AProducer
BOnly primary consumer
COnly secondary consumer
DPrimary as well as secondary consumer

Question 15 of 25

Hydrophonics is related to-

AGrowth of plant without soil
BGrowth of plant without water
CConservation of water
DRelation of sound with water

Question 16 of 25

Centre for Ecological Sciences is situated at-

ANew Delhi
BAllahabad
CKarnal
DBengaluru

Question 17 of 25

The term ecosystem is first given by-

AReiter
BAristotle
CTansley
DHaeckel

Question 18 of 25

Producer of an ecosystem-

AConvert organic compound into in organic compound
BConvert solar energy into chemical energy
CUse chemical energy
DRelease energy

Question 19 of 25

Eco-mark is given to an Indian product which is :

ARich in protein
BEnvironment friendly
CEconomically viable
DPure and unadulterated

Question 20 of 25

Energy transfer from organism to organism in a natural community develops-

ABiological control
BFood chain
CFood web
DPyramid of energy

Question 21 of 25

Hydrophytes are-

AAnimal found in sea
BAquatic plant
CA plant disease
DA root less plant

Question 22 of 25

What is the other name of Sahyadri Range ?

ALesser Himalayas
BShivaliks
CWestern Ghats
DEastern Ghats

Question 23 of 25

Largest ecosystem of world is-

AGrass land
BLake
CSea
DForest

Question 24 of 25

In a food chain energy transfer-

AFrom river to earth
BLower lattitude to higher lattitude
CFrom one organism to other organism
DNone of these

Question 25 of 25

Two components of ecosystem are-

AHerb and shurb
BAbiotic and biotic
CFrog and human
DPlant and animal