Forestry MCQs

Option A: Equally developed palisade and spongy parenchyma

Option B: Multistratose epidermis

Option C: Non-functional stomata

Option D: None of these

Correct Answer: Multistratose epidermis ✔

Option A: 4.50%

Option B: 9%

Option C: 8.25%

Option D: 16.50%

Correct Answer: 9% ✔

Option A: Between 0.1 – 0.5%

Option B: Between 0.01 – 0.1%

Option C: Above 1.0%

Option D: Between 0.5 – 1.0%

Correct Answer: Above 1.0% ✔

Option A: Eremophytes

Option B: Oxylophytes

Option C: Psilophytes

Option D: Psammophytes

Correct Answer: Psammophytes ✔

Option A: Acanthus ilicifolius

Option B: Avicennia offcinalis

Option C: Ceriops roxburghiana

Option D: All of these

Correct Answer: All of these ✔

Option A: Sagittaria

Option B: Typha

Option C: Najas

Option D: Spirodela

Correct Answer: Spirodela ✔

Option A: Tropical

Option B: Sub-tropical

Option C: Alpine

Option D: Temperate

Correct Answer: Temperate ✔

Option A: Capparis aphylla

Option B: Solanum xanthocarpum

Option C: Euphorbia milli

Option D: All of these

Correct Answer: Capparis aphylla ✔

Option A: Tropical

Option B: Sub-tropical

Option C: Temperate

Option D: Alpine

Correct Answer: Temperate ✔

Option A: 5 meters only

Option B: 20 meters only

Option C: 50 meters

Option D: 80-100 meters

Correct Answer: 20 meters only ✔

Option A: Mesotherms

Option B: Megatherms

Option C: Microtherms

Option D: Hekistotherms

Correct Answer: Hekistotherms ✔

Option A: High OP, high K+ conc

Option B: High OP, low K+ conc

Option C: Low OP, low K+ conc

Option D: Low OP, high K+ conc

Correct Answer: High OP, low K+ conc ✔

Option A: Chilling

Option B: Thermal death

Option C: Desiccation

Option D: Freezing

Correct Answer: Chilling ✔

Option A: Tropical zone

Option B: Sub-tropical zone

Option C: Alpine zone

Option D: Temperate zone

Correct Answer: Alpine zone ✔

Option A: Low K+ concentration and low O.P

Option B: High K+ concentration and low O.P

Option C: Low K+ concentration and high O.P

Option D: High K+ concentration and high O.P

Correct Answer: Low K+ concentration and high O.P ✔

Option A: Low temperature

Option B: High Temperature

Option C: Temperature below freezing

Option D: Temperature above 45 degree C

Correct Answer: Low temperature ✔

Option A: Pore size

Option B: Soil organisms

Option C: Type of roots

Option D: All of these

Correct Answer: All of these ✔

Option A: Turbidity of solar radiations

Option B: Percentage of solar absorption

Option C: Percentage of reflected light by a surface

Option D: Amount of light absorbed by forests

Correct Answer: Percentage of reflected light by a surface ✔

Option A: Lodging

Option B: Erosion

Option C: Salt spray

Option D: Injuries

Correct Answer: Salt spray ✔

Option A: 1-2%

Option B: 3-5%

Option C: 5-10%

Option D: 20-30%

Correct Answer: 5-10% ✔

Option A: Sciophytes

Option B: Chasmophytes

Option C: Helophytes

Option D: None of these

Correct Answer: Chasmophytes ✔

Option A: Epilimnion

Option B: Metalimnion

Option C: Hypolimnion

Option D: Thermocline

Correct Answer: Hypolimnion ✔

Option A: 40 meters

Option B: 400 meters

Option C: 200 meters

Option D: 5 meters

Correct Answer: 200 meters ✔

Option A: 10? – 15?C

Option B: 5? – 10?C

Option C: 20? – 25?C

Option D: 30? – 40?C

Correct Answer: C. 20? – 25?C ✔

Option A: Heliophytes

Option B: Chasmophytes

Option C: Chersophytes

Option D: Sciophytes

Correct Answer: Sciophytes ✔

Option A: Vertically oriented leaves

Option B: Horizontally oriented leaves

Option C: Dropping leaves

Option D: Twisted leaves

Correct Answer: Vertically oriented leaves ✔

Option A: Clements

Option B: Raunkiaer

Option C: Odum

Option D: Warming

Correct Answer: Raunkiaer ✔

Option A: Triticum

Option B: Lycopersicon

Option C: Gossypium

Option D: Nicotiana

Correct Answer: Triticum ✔

Option A: About 1%

Option B: 3 – 5%

Option C: 7 – 8%

Option D: 14%

Correct Answer: About 1% ✔

Option A: Low temperature

Option B: High wind velocity

Option C: High light intensity

Option D: None of these

Correct Answer: High wind velocity ✔

Option A: 9%

Option B: 10%

Option C: 48%

Option D: 39%

Correct Answer: 9% ✔

Option A: Reaction wood formation

Option B: Absence of secondary growth

Option C: Absence of tylosis

Option D: All of these

Correct Answer: Reaction wood formation ✔

Option A: Social and antagonistic

Option B: Nutritive and antagonistic

Option C: Social and reciprocal

Option D: Nutritive and reciprocal

Correct Answer: Nutritive and antagonistic ✔

Option A: Above 32′

Option B: At the soil surface

Option C: Between 32′ – 64′ from soil level

Option D: In the hydrosphere

Correct Answer: At the soil surface ✔

Option A: Neutralism

Option B: Mutualism

Option C: Parasitism

Option D: Commensalism

Correct Answer: Commensalism ✔

Option A: Lodging

Option B: Erosion and deperition

Option C: Unidirectional wind

Option D: Salt spray

Correct Answer: Unidirectional wind ✔

Option A: Heliophilous

Option B: Hydrophilous

Option C: Pyrophilous

Option D: Pyriform

Correct Answer: Pyrophilous ✔

Option A: Obligate parasitism

Option B: Facultative parasitism

Option C: Halotism

Option D: None of these

Correct Answer: Halotism ✔

Option A: Reduction of biotic thrust

Option B: Destruction of diseased plants

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: 40?C

Option B: 60?C

Option C: 65?C

Option D: 80?C

Correct Answer: 80?C ✔

Option A: Commensalism

Option B: Protoco-operation

Option C: Mutualism

Option D: Antibiosis

Correct Answer: Antibiosis ✔

Option A: Rhizosphere

Option B: Rhizoplane

Option C: Soil microflora

Option D: All of these

Correct Answer: Rhizosphere ✔

Option A: Mc Dougal

Option B: Warming

Option C: Odum

Option D: de Bary

Correct Answer: de Bary ✔

Option A: Culture chamber

Option B: Inoculation chamber

Option C: Phytotron

Option D: All of these

Correct Answer: Phytotron ✔

Option A: Amensalism

Option B: Predation

Option C: Protoco-operation

Option D: Parasitism

Correct Answer: Amensalism ✔

Option A: No roots

Option B: Longer roots system

Option C: Aerial roots system

Option D: Shallow root system

Correct Answer: Shallow root system ✔

Option A: Commensalism

Option B: Predation

Option C: Neutralism

Option D: Mutualism

Correct Answer: Commensalism ✔

Option A: Non-obligatory mutualism

Option B: Non-obligatory commensalism

Option C: Facultative predation

Option D: Facultative parasitism

Correct Answer: Non-obligatory mutualism ✔

Option A: Litter

Option B: Organisms

Option C: Inorganic matter

Option D: All of these

Correct Answer: Litter ✔

Option A: Zoophily

Option B: Zoochory

Option C: Epiphytism

Option D: Mycorrhiza

Correct Answer: Epiphytism ✔

Option A: In situ seed germination

Option B: Longer viability

Option C: early cone separation

Option D: All these characters

Correct Answer: Longer viability ✔

Option A: Commensalism

Option B: Competition

Option C: Exploitation

Option D: None of these

Correct Answer: Commensalism ✔

Option A: Borne on the leaves

Option B: Borne underground

Option C: Present on the main stem

Option D: Suspended from the branches

Correct Answer: Borne underground ✔

Option A: Interference competition

Option B: Scramble competition

Option C: Allelopathy

Option D: Synnecrosis

Correct Answer: Interference competition ✔

Option A: Amensalism

Option B: Parasitism

Option C: Predation

Option D: Exploitation

Correct Answer: Amensalism ✔

Option A: Birds

Option B: Herbivores

Option C: Hunters

Option D: Human beings

Correct Answer: Human beings ✔

Option A: Darlingtonia

Option B: Viscum

Option C: Both (a) & (b)

Option D: Cephalotus

Correct Answer: Viscum ✔

Option A: Depresants

Option B: Allomones

Option C: Allelochemics

Option D: Kairomones

Correct Answer: Allelochemics ✔

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 ✔