Forestry Environment MCQs

Option A: Allotropy

Option B: Allelopathy

Option C: Synnecrosis

Option D: Allolimy

Correct Answer: Allotropy ✔

Option A: Thesium

Option B: Tape worm

Option C: Bacteria

Option D: Balanophora

Correct Answer: Bacteria ✔

Option A: Large leaves

Option B: Decrease in mechanical tissue

Option C: Large mechanical tissue

Option D: Increase in aerenchyma

Correct Answer: Increase in aerenchyma ✔

Option A: Ecotone

Option B: Ecological equivalents

Option C: Ecotype

Option D: None of these

Correct Answer: Ecotype ✔

Option A: Polar ice

Option B: Greenland

Option C: Antarctica

Option D: Glaciers and Mountains

Correct Answer: Glaciers and Mountains ✔

Option A: Autecology

Option B: Ethology

Option C: Ecology

Option D: Syncology

Correct Answer: Syncology ✔

Option A: Economic Botany

Option B: Ecology

Option C: Pollen analysis

Option D: Mining the area

Correct Answer: Ecology ✔

Option A: Man and biology programme

Option B: Man and biosphere programme

Option C: Mammals and biosphere programme

Option D: Mammals and biology programme

Correct Answer: Man and biosphere programme ✔

Option A: Desert

Option B: Hills

Option C: Plains

Option D: Sea

Correct Answer: Desert ✔

Option A: Bulbs

Option B: Corms

Option C: Rhizomes

Option D: Seeds

Correct Answer: Seeds ✔

Option A: Xerophytes

Option B: Halophytes

Option C: Hydrophytes

Option D: Mesophytes

Correct Answer: Hydrophytes ✔

Option A: Hydrophytes

Option B: Xerophytes

Option C: Halophytes

Option D: None of these

Correct Answer: Hydrophytes ✔

Option A: Soil nutrients become very dilute

Option B: Root respiration stops

Option C: Nutrients leach down due to excessive water

Option D: Cell sap in plant becomes too dilute

Correct Answer: Root respiration stops ✔

Option A: Deserts

Option B: Water

Option C: Hills

Option D: Water bank

Correct Answer: Deserts ✔

Option A: Deserts

Option B: Lakes and ponds

Option C: Mixed temperate forests

Option D: Mixed tropical forests

Correct Answer: Deserts ✔

Option A: Fresh water lakes

Option B: Shady places

Option C: Tissue of other plants

Option D: Geographically limited areas

Correct Answer: Geographically limited areas ✔

Option A: 42 1/2? North and South

Option B: 22 1/2? North and South

Option C: 60? North and South

Option D: 40? North and South

Correct Answer: 22 1/2? North and South ✔

Option A: Halophytes

Option B: Heliophytes

Option C: Hydrophytes

Option D: Saprophytes

Correct Answer: Halophytes ✔

Option A: Dark cave

Option B: Pond

Option C: River bank

Option D: Saline water

Correct Answer: Dark cave ✔

Option A: 0.30%

Option B: 0.00%

Option C: 3.00%

Option D: 0.03%

Correct Answer: 0.03% ✔

Option A: Tropical forest

Option B: Deciduous forests

Option C: Savannah

Option D: Both (a) and (b)

Correct Answer: Deciduous forests ✔

Option A: Desert plant

Option B: Parasite

Option C: Water plant

Option D: Terrestrial plant

Correct Answer: Water plant ✔

Option A: Antagonism

Option B: Parasitism

Option C: Endemism

Option D: Symbiosis

Correct Answer: Symbiosis ✔

Option A: Hydrophytes

Option B: Submerged hydrophytes

Option C: Xerophytes

Option D: Mesophytes

Correct Answer: Submerged hydrophytes ✔

Option A: Hydrophytes

Option B: Xerophytes

Option C: Mesophytes

Option D: Heliophytes

Correct Answer: Hydrophytes ✔

Option A: Mineral soil

Option B: Litter

Option C: Unweathered material like rock

Option D: None of the above

Correct Answer: Litter ✔

Option A: Chara

Option B: Hydrilla

Option C: Lotus

Option D: Water lettuce

Correct Answer: Chara ✔

Option A: Sand

Option B: Loam

Option C: Graved

Option D: Clay

Correct Answer: Clay ✔

Option A: Physiologically wet

Option B: Physiologically dry

Option C: Physically dry

Option D: None of the above

Correct Answer: Physiologically dry ✔

Option A: Xerophytes

Option B: Mesophytes

Option C: Hydrophytes

Option D: Halophytes

Correct Answer: Hydrophytes ✔

Option A: Grasslands

Option B: Evergreen forests

Option C: Deciduous forests

Option D: Thorn forests

Correct Answer: Thorn forests ✔

Option A: Endemic

Option B: Sibling

Option C: Allopatric

Option D: Sympatric

Correct Answer: Endemic ✔

Option A: An epiphytic relationship with the alga

Option B: A parasitic relationship with the alga

Option C: A symbiotic relationship with the alga

Option D: A saprophytic relationship with the alga

Correct Answer: A symbiotic relationship with the alga ✔

Option A: Hold organic matter

Option B: Hold water

Option C: Support life

Option D: Retain nutrients

Correct Answer: Hold organic matter ✔

Option A: Sandy

Option B: Clayey

Option C: Laterite

Option D: Alluvial

Correct Answer: Alluvial ✔

Option A: Edaphotropism

Option B: Edaptic factor

Option C: Pedogenesis weathering

Option D: Edaphic climax

Correct Answer: Pedogenesis weathering ✔

Option A: To grant mechanical support

Option B: Due to light factor

Option C: To draw water from deeper zones

Option D: None of the above

Correct Answer: To draw water from deeper zones ✔

Option A: In lakes and streams

Option B: In rivers

Option C: Underground

Option D: On polar ice and glaciers

Correct Answer: On polar ice and glaciers ✔

Option A: Drought resisting

Option B: Drought escaping

Option C: Drought enduring

Option D: None of these

Correct Answer: Drought escaping ✔

Option A: Halophyte

Option B: Mesophyte

Option C: Xerophyte

Option D: Hydrophyte

Correct Answer: Xerophyte ✔

Option A: Saprophytic association between fungus and the roots of seed plants

Option B: Parasitic association between fungus and the roots of seed plant

Option C: Symbiotic association between fungus and the roots of seed plants

Option D: All of the above

Correct Answer: Symbiotic association between fungus and the roots of seed plants ✔

Option A: Plant community

Option B: Environment

Option C: A species

Option D: Radiation

Correct Answer: A species ✔

Option A: Reproductive ecology

Option B: Autecology

Option C: Synecology

Option D: Ecological niche

Correct Answer: Autecology ✔

Option A: Mimic only

Option B: Model only

Option C: Both (a) & (b)

Option D: Either of these

Correct Answer: Both (a) & (b) ✔

Option A: Plant ecology

Option B: Animal ecology

Option C: Ecological study of individual species

Option D: Ecological study of group of species, which is grown together

Correct Answer: Ecological study of individual species ✔

Option A: Flora and fauna

Option B: Community

Option C: Ecosystem

Option D: Ecology

Correct Answer: Flora and fauna ✔

Option A: Lithophytes

Option B: Xerophytes

Option C: Hydrophytes

Option D: Mesophyte

Correct Answer: Hydrophytes ✔

Option A: Topographic

Option B: Temperature

Option C: Biotic

Option D: Edaphic climax

Correct Answer: Edaphic climax ✔

Option A: When both partners are harmed

Option B: When both partners are benefited

Option C: When weaker partner is benefited and the stronger is unharmed

Option D: None of these

Correct Answer: When weaker partner is benefited and the stronger is unharmed ✔

Option A: Stenothermic

Option B: Eurythermic

Option C: Monothermic

Option D: Mesothermic

Correct Answer: Stenothermic ✔

Option A: Lithophytes

Option B: Oxalophytes

Option C: Phancrophytes

Option D: Psammophytes

Correct Answer: Psammophytes ✔

Option A: Symbiosis

Option B: Commensalism

Option C: Mutualism

Option D: Parasitism

Correct Answer: Commensalism ✔

Option A: Sea anemon, hermite crab

Option B: Bird and rhino

Option C: Butter fly and sunflower

Option D: Liver fluck and sheep

Correct Answer: Sea anemon, hermite crab ✔

Option A: Trophic

Option B: Eutrophic

Option C: Oligotrophic

Option D: Euphotic

Correct Answer: Eutrophic ✔

Option A: Coniferous forest

Option B: Alpine

Option C: Tundra forest

Option D: Deciduous forest

Correct Answer: Alpine ✔

Option A: Locusts migrate for feeding occasionally

Option B: Whales show periodic migration

Option C: Many birds migrate from Siberia to South pole

Option D: Arctic term migrate from North to South pole

Correct Answer: Arctic term migrate from North to South pole ✔

Option A: Aerenchyma

Option B: Collenchyma

Option C: Stomata

Option D: Root system

Correct Answer: Aerenchyma ✔

Option A: Euphotic, despotic and aphotic

Option B: Aphotic, euphotic and despotic

Option C: Euphotic, aphotic and despotic

Option D: Despotic, euphotic and aphotic

Correct Answer: Euphotic, despotic and aphotic ✔

Option A: Mutualism

Option B: Symbiosis

Option C: Co-operation

Option D: Commensalism

Correct Answer: Commensalism ✔

Option A: Shark and sucker fish-commensalism

Option B: Algae and fungi in lichens-parasitism

Option C: Orchids growing on trees-epiphytism

Option D: Cuscuta (doder) growing on other flowering plants-epiphytism

Correct Answer: Algae and fungi in lichens-parasitism ✔

Option A: Vascular system

Option B: Aerenchyma

Option C: Root system

Option D: Stoma

Correct Answer: Aerenchyma ✔

Option A: Thermosphere

Option B: Mesosphere

Option C: Stratospheres

Option D: Troposphere

Correct Answer: Troposphere ✔

Option A: Small spiny stem

Option B: Soft and mucilaginous stem

Option C: Thick and large leaf

Option D: None of the above

Correct Answer: Soft and mucilaginous stem ✔

Option A: Decomposers

Option B: Endoparasitism

Option C: Ectoparasitism

Option D: Symbiotic relationship

Correct Answer: Symbiotic relationship ✔

Option A: Upper soil layer

Option B: Entire solum

Option C: Horizon B

Option D: Entire top-soil

Correct Answer: Upper soil layer ✔

Option A: Cosmopolitan in distribution

Option B: Restricted to, grow over certain areas

Option C: Found in arctic region

Option D: Gregarious in habit

Correct Answer: Restricted to, grow over certain areas ✔

Option A: Alluvial

Option B: Padsol

Option C: Laterite

Option D: None of these

Correct Answer: Laterite ✔

Option A: Hackel

Option B: Cuvier

Option C: Reiter

Option D: Malthus

Correct Answer: Hackel ✔

Option A: Which allows limited amount of water to be retained into it

Option B: Which allows water to pass through it very quickly

Option C: Which allows percolation the water slowly from it

Option D: Which holds whole of the water that enters into it

Correct Answer: Which allows percolation the water slowly from it ✔

Option A: Tropical deciduous forest

Option B: Tropical evergreen forest

Option C: North coniferous forest

Option D: Temperature deciduous forest

Correct Answer: Temperature deciduous forest ✔

Option A: Forest

Option B: Desert

Option C: Grassland

Option D: Shrub land

Correct Answer: Desert ✔

Option A: Terra rossa – Most suitable for roses

Option B: Chernozems – Richest soil in the world

Option C: Black soil – Rich in calcium carbonate

Option D: Laterite – Contains aluminium compound

Correct Answer: C. Black soil – Rich in calcium carbonate ✔

Option A: Desert

Option B: Tropical forest

Option C: Deciduous forest

Option D: Tundra

Correct Answer: Tropical forest ✔

Option A: Toxin

Option B: Hormone

Option C: Phytotoxin

Option D: Phytoalexin

Correct Answer: Phytoalexin ✔

Option A: Epidermis as dissolved CO2

Option B: Epidermis as carbonates only

Option C: Epidermis as carbonates only

Option D: Both (b) and (c)

Correct Answer: Epidermis as carbonates only ✔

Option A: Higher rate of CO2 fixation than the sun plants

Option B: More extended root system

Option C: Leaves modified to spines

Option D: Larger photosynthetic unit size than the sun plants

Correct Answer: Higher rate of CO2 fixation than the sun plants ✔