Forestry MCQs

Option A: Succulents

Option B: Heterophyllous

Option C: Herbaceous

Option D: Viviparous

Correct Answer: Succulents ✔

Option A: Hygroscopic water

Option B: Gravitational water

Option C: Capillary water

Option D: Hygroscopic and gravitational water

Correct Answer: Capillary water ✔

Option A: Turgidity

Option B: Wilting coefficient

Option C: Field capacity

Option D: Water retaining power of the soil

Correct Answer: Wilting coefficient ✔

Option A: High temperature of soil encourages root growth

Option B: Low temperature at night encourages root growth

Option C: Those plants adapted to produce long system can survive better in desert

Option D: Roots grow in search of water

Correct Answer: Those plants adapted to produce long system can survive better in desert ✔

Option A: They are absolutely devoid of xylem

Option B: They totally lack phloem

Option C: They do not have stomata

Option D: The supporting tissues and xylem are feebly developed

Correct Answer: The supporting tissues and xylem are feebly developed ✔

Option A: There is plenty of water in the soil

Option B: There is too high a concentration of salts for the plants to absorb sufficient water from the soil

Option C: Light available to plant is not sufficient

Option D: The soil is muddy

Correct Answer: There is too high a concentration of salts for the plants to absorb sufficient water from the soil ✔

Option A: Because there is no transpiration

Option B: Because respiration ceases at such a low temperature

Option C: Because no photosynthesis takes place at such a low temperature

Option D: Because of desiccation and mechanical damage to the tissues

Correct Answer: Because of desiccation and mechanical damage to the tissues ✔

Option A: Rhizophora mangle

Option B: Ficus religiosa

Option C: Mangifera indica

Option D: Prosopis specigera

Correct Answer: Rhizophora mangle ✔

Option A: Epiphytes

Option B: Insectivorous plants

Option C: Halophytes

Option D: Mesophytes

Correct Answer: Halophytes ✔

Option A: Niche

Option B: Ecotype

Option C: Edge line

Option D: Ecotone

Correct Answer: Corridor ✔

Option A: 3,900-6,000 m

Option B: 1,900-3,000 m

Option C: 1,000-1,5000 m

Option D: 500-1,000 m

Correct Answer: 3,900-6,000 m ✔

Option A: Monsoon region

Option B: Mid-latitude forests

Option C: Mediterranean region

Option D: Coniferous forests

Correct Answer: Monsoon region ✔

Option A: Savanna – Acacia trees

Option B: Prairie – Epiphytes

Option C: Coniferous forest – Evergreen trees

Option D: Tundra – Permafrost

Correct Answer: B. Prairie – Epiphytes ✔

Option A: Low temperature and excess rain

Option B: High temperature and excess rain

Option C: High temperature and lesser rain

Option D: Wild animals (tigers, lions, bears etc.)

Correct Answer: High temperature and excess rain ✔

Option A: The size of fishes becomes large

Option B: The size of fish population becomes smaller

Option C: The size of fish population is in no way connected with the amount of light falling on a pond

Option D: Mutation will take place in fishes

Correct Answer: The size of fish population becomes smaller ✔

Option A: Above 9,000

Option B: At 6,000

Option C: 6,000-9,000

Option D: At sea level

Correct Answer: Above 9,000 ✔

Option A: Tropical zone

Option B: Gangetic plains

Option C: Mangrove belt

Option D: Alpine zone

Correct Answer: Alpine zone ✔

Option A: Feebly developed root system

Option B: Deep and much branched root system

Option C: Well developed leaves

Option D: III developed vascular system

Correct Answer: Deep and much branched root system ✔

Option A: By man only

Option B: Mainly by climate

Option C: By animals only

Option D: By altitude of a place only

Correct Answer: Mainly by climate ✔

Option A: Only because of high temperature

Option B: Because no seeds fall near the soil

Option C: Because of several environmental factors combining together

Option D: Because the soil is sandy

Correct Answer: Because of several environmental factors combining together ✔

Option A: Dehradun valley

Option B: Kullu valley

Option C: Western ghats

Option D: Sunderbans

Correct Answer: Sunderbans ✔

Option A: The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms

Option B: The trees of temperate forests are taller than these of tropical rain forests

Option C: Plants of temperate forests are comparatively more mesophytic

Option D: Tropical forests are comparatively homogenous

Correct Answer: The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms ✔

Option A: Acacia

Option B: Aloe

Option C: Euphorbia

Option D: Rhizophora

Correct Answer: Rhizophora ✔

Option A: Producers only

Option B: Consumers only

Option C: Decomposers only

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Potometer

Option B: Porometer

Option C: Colorimeter

Option D: Conductivity meter

Correct Answer: Conductivity meter ✔

Option A: The host

Option B: The parasite

Option C: Of mutual benefit

Option D: Not beneficial

Correct Answer: Of mutual benefit ✔

Option A: Algae and fungi

Option B: Algae and bryophytes

Option C: Algae and roots of gymnosperms

Option D: Fungi and roots of higher plants

Correct Answer: Fungi and roots of higher plants ✔

Option A: Littoral zone

Option B: Limnetic zone

Option C: Both (a) & (b)

Option D: Profundal zone

Correct Answer: Profundal zone ✔

Option A: Photoperiod

Option B: CO2 content to the soil

Option C: Texture and porosity of soil

Option D: Rainfall

Correct Answer: CO2 content to the soil ✔

Option A: Saprophytism

Option B: Symbiosis

Option C: Epiphytism

Option D: Parasitism

Correct Answer: Symbiosis ✔

Option A: Bates

Option B: Darwin

Option C: Lamark

Option D: Darlington

Correct Answer: Bates ✔

Option A: Mutualistic

Option B: Parasitic

Option C: Saprophytic

Option D: Commensal

Correct Answer: Mutualistic ✔

Option A: One is benefitted, other remains unaffected

Option B: One is benefitted, other remains unaffected

Option C: Both are benefitted

Option D: Both are unaffected

Correct Answer: One is benefitted, other remains unaffected ✔

Option A: No roots at all

Option B: Curved roots

Option C: Long roots

Option D: Shallow roots

Correct Answer: Long roots ✔

Option A: Periodic migration

Option B: Long distance migration

Option C: Short distance migration

Option D: None of these

Correct Answer: Periodic migration ✔

Option A: Migration

Option B: Camouflaging

Option C: Batesion mimicry

Option D: Mullerian mimicry

Correct Answer: Camouflaging ✔

Option A: Harmful relationship of two organisms

Option B: A process advantageous to algae

Option C: Living together

Option D: Phenomenon useful to fungi

Correct Answer: Living together ✔

Option A: Mosses

Option B: Liverworts

Option C: Ferns

Option D: Grasses

Correct Answer: Grasses ✔

Option A: Parasitism

Option B: Commensalism

Option C: Saprophytism

Option D: Symbiosis

Correct Answer: Commensalism ✔

Option A: Electrons are bombarded

Option B: Plants are grown in controlled environment

Option C: Mutations are produced plants

Option D: True breeding plants are produced

Correct Answer: Plants are grown in controlled environment ✔

Option A: Reiter

Option B: Haeckel

Option C: Warming

Option D: Hilaire

Correct Answer: Hilaire ✔

Option A: Weathering : sedimentation

Option B: Weathering : pedogenesis

Option C: Pedogenesis : weathering

Option D: Sedimentation : pedogenesis

Correct Answer: Weathering : pedogenesis ✔

Option A: Ecotype

Option B: Ecad

Option C: Ecotone

Option D: Life form

Correct Answer: Ecad ✔

Option A: Algae

Option B: Bacteria

Option C: Fungi

Option D: Lichens

Correct Answer: Lichens ✔

Option A: Kangaroo rat

Option B: Camel

Option C: Desert rat

Option D: All of these

Correct Answer: All of these ✔

Option A: Biome

Option B: Ecotone

Option C: Biological spectrum

Option D: Biological clock

Correct Answer: Ecotone ✔

Option A: Nature of parent material

Option B: Annual rainfall

Option C: Wind velocity

Option D: Mean temperature

Correct Answer: Nature of parent material ✔

Option A: Odum

Option B: Misra

Option C: Warming

Option D: Maeckel

Correct Answer: Odum ✔

Option A: Horizons A1 and A2 only

Option B: Horizon A only

Option C: Horizons A2 and B only

Option D: Horizons A and B

Correct Answer: Horizons A and B ✔

Option A: Lithosphere

Option B: Xerosphere

Option C: Pasmmosphere

Option D: Pedosphere

Correct Answer: Lithosphere ✔

Option A: Horizons A2 and B

Option B: Horizon B only

Option C: Horizon A1

Option D: Horizons B and C

Correct Answer: Horizon A1 ✔

Option A: Oxides of Ca and Na

Option B: Oxides of Ca and K

Option C: Aluminosilicates of Na, K and Ca

Option D: Nitrates of Fe and Al

Correct Answer: Aluminosilicates of Na, K and Ca ✔

Option A: Elton

Option B: Mivart

Option C: Reiter

Option D: Misra

Correct Answer: Mivart ✔

Option A: Carbonation and oxidation

Option B: Hydrolysis and chelation

Option C: Hydrolysis and reduction

Option D: All of these

Correct Answer: All of these ✔

Option A: Ecad

Option B: Ecotone

Option C: Ecotype

Option D: Biome

Correct Answer: Ecotype ✔

Option A: Acids

Option B: Alkalies

Option C: Oxygen

Option D: Carbon dioxide

Correct Answer: Acids ✔

Option A: Statistics

Option B: Radiation

Option C: Embryology

Option D: All of these

Correct Answer: Embryology ✔

Option A: Alluvial

Option B: Colluvial

Option C: Residual

Option D: Eolian

Correct Answer: Alluvial ✔

Option A: A00

Option B: A1

Option C: Both (a) & (b)

Option D: A00 and A1

Correct Answer: Both (a) & (b) ✔

Option A: Atmosphere

Option B: Water

Option C: Gravitational water

Option D: Snow

Correct Answer: Water ✔

Option A: Atmosphere and lithosphere

Option B: Lithosphere and biosphere

Option C: Atmosphere and hydrosphere

Option D: All of these

Correct Answer: Atmosphere and lithosphere ✔

Option A: Horizon-B

Option B: Horizon-A

Option C: Horizon-O

Option D: Horizon-C

Correct Answer: Horizon-B ✔

Option A: Hypotrophic

Option B: Eutrophic

Option C: Heterotrophic

Option D: Oligotrophic

Correct Answer: Oligotrophic ✔

Option A: Weathering

Option B: Gleization

Option C: Laterization

Option D: Pedogenesis

Correct Answer: Weathering ✔

Option A: Eolian

Option B: Aerial

Option C: Residual

Option D: Colluvial

Correct Answer: Eolian ✔

Option A: Gleization

Option B: Mineralization

Option C: Laterization

Option D: Podsolization

Correct Answer: Gleization ✔

Option A: 3.8-5.4

Option B: 6.5-7.5

Option C: 4.5-8.5`

Option D: 5.5-6.5

Correct Answer: 5.5-6.5 ✔

Option A: Coarse sand

Option B: Silt

Option C: Fine sand

Option D: Clay

Correct Answer: Fine sand ✔

Option A: Blocks

Option B: Clods

Option C: Peds

Option D: Plates

Correct Answer: Peds ✔

Option A: Gravitational water

Option B: Capillary water

Option C: Run off water

Option D: Water vapour

Correct Answer: Capillary water ✔

Option A: Fully decomposed organic matter only

Option B: Party decomposed organic matter + CO2

Option C: Minerals and fully decomposed organic matter

Option D: Partly decomposed organic matter + mineral + water

Correct Answer: Minerals and fully decomposed organic matter ✔

Option A: Marsilea

Option B: Utricularia

Option C: Vallisneria

Option D: Monochoria

Correct Answer: Vallisneria ✔

Option A: Tpha

Option B: Trapa

Option C: Potamogeton

Option D: Ceratophyllum

Correct Answer: Ceratophyllum ✔

Option A: Cation storage capacity

Option B: Reversible bending of cations

Option C: Excess of monovalent cations

Option D: Excess of polyvalent cations

Correct Answer: Reversible bending of cations ✔

Option A: Horizon-C

Option B: Horizon-A

Option C: Horizon-R

Option D: Horizon-B

Correct Answer: Horizon-C ✔

Option A: Pore frequency ratio

Option B: Pore density ration

Option C: Pore abundance ratio

Option D: Pore space ratio

Correct Answer: Pore space ratio ✔

Option A: Geology

Option B: Pedology

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Pedology ✔

Option A: There is no soil air

Option B: Water retaining capacity is high

Option C: Pore space is narrow

Option D: Pore frequency is low

Correct Answer: Pore frequency is low ✔

Option A: Horizon-B

Option B: Horizon-A

Option C: Horizon-C

Option D: All of these

Correct Answer: Horizon-A ✔

Option A: H+

Option B: AI+3

Option C: Both (a) & (b)

Option D: H+ and Zn+2

Correct Answer: Both (a) & (b) ✔

Option A: Gravitational water

Option B: Capillary water

Option C: Water holding capacity

Option D: Field capacity

Correct Answer: Field capacity ✔

Option A: Nitrogen

Option B: Oxygen

Option C: Carbon

Option D: Hydrogen

Correct Answer: Carbon ✔

Option A: Mull

Option B: Mor

Option C: Peat

Option D: Muck

Correct Answer: Mor ✔

Option A: Free floating

Option B: Rooted emergent

Option C: Submerged floating

Option D: None of these

Correct Answer: Rooted emergent ✔

Option A: Rats and moles

Option B: Bacteria and fungi

Option C: Termites and nematodes

Option D: Algae and actinomycetes

Correct Answer: Termites and nematodes ✔

Option A: Available water

Option B: Unavailable water

Option C: Run off water

Option D: Total atmospheric precipitation

Correct Answer: Unavailable water ✔

Option A: Prosopis

Option B: Tephrosia

Option C: Nerium

Option D: Aloe

Correct Answer: Aloe ✔

Option A: Holard – Chesard = Ecard

Option B: Chesard – Ecard = Holard

Option C: Holard + Ecard = Chesard

Option D: Ecard – Chesard = Holard

Correct Answer: A. Holard – Chesard = Ecard ✔

Option A: Pelophilous

Option B: Heliophilous

Option C: Psammophilous

Option D: Lithophilous

Correct Answer: Pelophilous ✔

Option A: Halophytes

Option B: Heliophytes

Option C: Halophytes

Option D: Sciophytes

Correct Answer: Halophytes ✔

Option A: Suaeda fruticosa

Option B: Cressa cretica

Option C: Salsola foetide

Option D: All of these

Correct Answer: All of these ✔

Option A: Oxylophytes

Option B: Lithophytes

Option C: Eremophytes

Option D: Psilophytes

Correct Answer: Eremophytes ✔

Option A: Psychrophytes

Option B: Lithophytes

Option C: Halophytes

Option D: Sciophytes

Correct Answer: Lithophytes ✔

Option A: Halophyte

Option B: Oxylophyte

Option C: Psychrophyte

Option D: Psammophyte

Correct Answer: Psychrophyte ✔

Option A: Mircophylly

Option B: Pneumatophores and vivipary

Option C: Absence of aerenchyma

Option D: Poor water storage

Correct Answer: Pneumatophores and vivipary ✔

Option A: Potamogeton

Option B: Najas

Option C: Ranunculus

Option D: None of these

Correct Answer: Potamogeton ✔

Option A: Uniform mesophyll

Option B: Absence of cuticle

Option C: Well developed root-shoot systems

Option D: All of these

Correct Answer: Well developed root-shoot systems ✔

Option A: Megatherms

Option B: Hekistotherms

Option C: Microtherms

Option D: Mesotherms

Correct Answer: Mesotherms ✔

Option A: Nymphaea, Poamogeton, Victoria

Option B: Utricularia, Typha, Aponogeton

Option C: Lemna, Spirodela, Azolla

Option D: Ranunculus, Vallisneria, Hydrilla

Correct Answer: Lemna, Spirodela, Azolla ✔

Option A: Calotropis procera

Option B: Zizyphis jujuba

Option C: Acacia nilotica

Option D: Capparis aphylla

Correct Answer: Capparis aphylla ✔