Ecology MCQ: MCQ Test (25 questions)

Question 1 of 25

Reduced leaves and sunken stomata are the main feature of-

AEpiphytes
BHydrophytes
CXerophytes
DMesophytes

Question 2 of 25

When we eat the flesh of goat we are-

APrimary consumer
BSecondary consumer
CTertiary consumer
DNone

Question 3 of 25

Lichens, which are capable of intiating ecological succession even on a bare rock, are actually a symbiotic association of

AAlgae and bacteria
BAlgae and fungi
CBacteria and fungi
DFungi and mosses

Question 4 of 25

In a food chain man is-

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

Question 5 of 25

Which of the following is most stable ecosystem ?

AForest
BGrass land
CDesert
DSea

Question 6 of 25

The world's only floating national park is situated in-

AManipur
BKualalumpur
CBilaspur
DDispur

Question 7 of 25

What is parasitism ?

AAssociation necessary for survival of both partners
BAssociation in which one species is benefitted and causes harm to another species
CAssociation in which one species is benefitted and another is unaffected
DNone of these

Question 8 of 25

Ina ecosystem the largest number is that of-

APrimary producer
BPrimary consumer
CSecondary consumer
DDecomposer

Question 9 of 25

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

ABiological control
BFood chain
CFood web
DPyramid of energy

Question 10 of 25

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

ARabi
BKharif
CRainfed
DDry farming

Question 11 of 25

The ratio of forest area needed for ecologycal balance in India-

A11.1%
B22.2%
C33.3%
D44.4%

Question 12 of 25

Vultures which used to be very common in Indian country-side some years ago are rarely seen nowadays.nThis is attributed to-

AThe destruction of their nesting sites by new invasive species
BA drug used by cattle owners for treating their diseased cattle
CScarcity of food available to them
DA widespread and fatal disease among them

Question 13 of 25

Ecosystem is-

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

Question 14 of 25

an artificial ecosystem is represented by-

APisciculture tank
BAgricultural land
CZoo
DAquarium

Question 15 of 25

Which type of forests majorly comprises of lichens and mosses ?

ATaiga forests
BTundra forests
CTemperate mixed forests
DTropical ever green forests

Question 16 of 25

Two components of ecosystem are-

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

Question 17 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 18 of 25

The term ecology is first given by-

ARobbert brown
BAristotle
CKhurana
DReiter

Question 19 of 25

The Millennium Ecosystem Assessment describes the following major categories of ecosystem services-provisioning, supporting, regulating, preserving and cultural.nWhich one of the following is supporting service

AProduction of food and water
BControl of climate and disease
CNutrient cycling and crop pollination
DMaintenance of diversity

Question 20 of 25

The importance of ecosystem lies is-

ACycling of material
BFlow of energy
CBoth A & B
DIts biomass

Question 21 of 25

Which of the following are examples of carnivorous plants ?

ASundew Venus fly trap, Pitcher plant
BCuscuta, Rafflesia, Mistletoe
CSandalwood tree, Broom rape, Pitcher plant
DCuscuta, Bladderwort, Mistletoe

Question 22 of 25

No trees are found in Tundra biome near polar region of northern hemisphere. This is due to-

ASnowfall inhibits plant respiration
BFrozen ice beneath the surface soil restricts root growth
CLess wind movement and inadequate sun light
DLow temperature which restricts development of reproductive organs.

Question 23 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 24 of 25

The resources which are obtained from biosphere and have life are :

ARenewable resources
BPotential biosphere
CBiotic resources
DAbiotic resources

Question 25 of 25

In dry regions, the leaf size of a tree becomes smaller. It is so to-

AReduce metabolism
BReduce transpiration
CMaintain natural growth
DProtect plant from animals