Biology MCQs

Plant Ecology MCQs with Answers

What is the term for the study of the relationship between plants and their environment?
a) Plant physiology
b) Plant taxonomy
c) Plant ecology
d) Plant morphology
Answer: c) Plant ecology

Which of the following factors does NOT influence the distribution of plants?
a) Temperature
b) Light intensity
c) Soil pH
d) Wind speed
Answer: d) Wind speed

Which term describes the specific role of a plant species within an ecosystem?
a) Ecological niche
b) Keystone species
c) Pioneer species
d) Indicator species
Answer: a) Ecological niche

Which of the following is an example of an abiotic factor that affects plant growth?
a) Predation
b) Competition
c) Temperature
d) Mutualism
Answer: c) Temperature

Which term describes the gradual replacement of one plant community by another over time?
a) Ecological succession
b) Ecological competition
c) Ecological colonization
d) Ecological adaptation
Answer: a) Ecological succession

Which of the following is an example of a pioneer species?
a) Oak tree
b) Grass
c) Fern
d) Moss
Answer: d) Moss

Which term describes the relationship between two species in which both benefit?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: a) Mutualism

Which of the following is an example of a parasitic plant?
a) Sunflower
b) Rose
c) Orchid
d) Dodder
Answer: d) Dodder

Which term describes the process by which water is lost from a plant’s leaves?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: a) Transpiration

Which of the following is an example of a xerophyte?
a) Cactus
b) Fern
c) Orchid
d) Maple tree
Answer: a) Cactus

Which term describes the study of the spatial distribution of plants and their interactions with the environment?
a) Plant morphology
b) Plant taxonomy
c) Plant physiology
d) Plant biogeography
Answer: d) Plant biogeography

Which of the following is an example of a plant adaptation to low light conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Deep root system
Answer: c) Epiphytic growth

Which term describes the process by which plants convert light energy into chemical energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: c) Photosynthesis

Which of the following is an example of a hydrophyte?
a) Oak tree
b) Cactus
c) Water lily
d) Pine tree
Answer: c) Water lily

Which term describes the relationship between two species in which one benefits and the other is unaffected?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: b) Commensalism

Which of the following is an example of a mycorrhizal association?
a) Plant-pollinator interaction
b) Plant-herbivore interaction
c) Plant-fungus interaction
d) Plant-pathogen interaction
Answer: c) Plant-fungus interaction

Which term describes the total mass of living plant material in a given area?
a) Biomass
b) Biodiversity
c) Ecosystem
d) Biome
Answer: a) Biomass

Which of the following is an example of a halophyte?
a) Oak tree
b) Cactus
c) Mangrove tree
d) Fern
Answer: c) Mangrove tree

Which term describes the movement of pollen from the anther to the stigma of a flower?
a) Pollination
b) Fertilization
c) Germination
d) Dispersal
Answer: a) Pollination

Which of the following is an example of a plant defense mechanism against herbivores?
a) Mimicry
b) Camouflage
c) Thorns
d) Warning coloration
Answer: c) Thorns

Which term describes the maximum rate at which a population can increase under ideal conditions?
a) Carrying capacity
b) Density-dependent factor
c) Intrinsic rate of increase
d) Limiting factor
Answer: c) Intrinsic rate of increase

Which of the following is an example of a plant adaptation to low water availability?
a) Succulent leaves
b) Broad leaves
c) Epiphytic growth
d) Shallow root system
Answer: a) Succulent leaves

Which term describes the role of plants in converting solar energy into chemical energy?
a) Primary production
b) Secondary production
c) Trophic level
d) Food web
Answer: a) Primary production

Which of the following is an example of a plant adaptation to fire-prone environments?
a) Thick bark
b) Thin leaves
c) Epiphytic growth
d) Shallow root system
Answer: a) Thick bark

Which term describes the process by which plants and animals disperse to new areas?
a) Pollination
b) Fertilization
c) Germination
d) Dispersal
Answer: d) Dispersal

Which of the following is an example of a plant adaptation to high wind conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Deep root system
Answer: b) Thin leaves

Which term describes the relationship between two species in which one benefits and the other is harmed?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: c) Parasitism

Which of the following is an example of a plant adaptation to nutrient-poor soils?
a) Mycorrhizal associations
b) Deep root system
c) Thick bark
d) Succulent leaves
Answer: a) Mycorrhizal associations

Which term describes the process by which plants convert stored energy into usable energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: b) Respiration

Which of the following is an example of a plant adaptation to low nutrient availability?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Deep root system
Answer: d) Deep root system

Which term describes the process by which plants take in water and nutrients from the soil?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: d) Absorption

Which of the following is an example of a plant adaptation to low oxygen conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Aerenchyma tissue
Answer: d) Aerenchyma tissue

Which term describes the relationship between two species in which one benefits and the other is harmed?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: c) Parasitism

Which of the following is an example of a plant adaptation to fire-prone environments?
a) Serotiny
b) Vivipary
c) Epiphytic growth
d) Thorns
Answer: a) Serotiny

Which term describes the process by which plants release water vapor through their leaves?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: a) Transpiration

Which of the following is an example of a plant adaptation to high temperature conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Shade tolerance
Answer: d) Shade tolerance

Which term describes the process by which plants convert sunlight into chemical energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: c) Photosynthesis

Which of the following is an example of a plant adaptation to drought conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Succulent stems
Answer: d) Succulent stems

Which term describes the relationship between two species in which one benefits and the other is unaffected?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: b) Commensalism

Which of the following is an example of a plant adaptation to low light conditions?
a) Mycorrhizal associations
b) Broad leaves
c) Epiphytic growth
d) Shallow root system
Answer: c) Epiphytic growth

Which term describes the process by which plants convert stored energy into usable energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: b) Respiration

Which of the following is an example of a plant adaptation to nutrient-poor soils?
a) Mycorrhizal associations
b) Deep root system
c) Thick bark
d) Succulent leaves
Answer: a) Mycorrhizal associations

Which term describes the process by which plants take in water and nutrients from the soil?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: d) Absorption

Which of the following is an example of a plant adaptation to low oxygen conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Aerenchyma tissue
Answer: d) Aerenchyma tissue

Which term describes the relationship between two species in which one benefits and the other is harmed?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: c) Parasitism

Which of the following is an example of a plant adaptation to fire-prone environments?
a) Serotiny
b) Vivipary
c) Epiphytic growth
d) Thorns
Answer: a) Serotiny

Which term describes the process by which plants release water vapor through their leaves?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: a) Transpiration

Which of the following is an example of a plant adaptation to high temperature conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Shade tolerance
Answer: d) Shade tolerance

Which term describes the process by which plants convert sunlight into chemical energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: c) Photosynthesis

Which of the following is an example of a plant adaptation to drought conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Succulent stems
Answer: d) Succulent stems

Which term describes the relationship between two species in which one benefits and the other is unaffected?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: b) Commensalism

Which of the following is an example of a plant adaptation to low light conditions?
a) Mycorrhizal associations
b) Broad leaves
c) Epiphytic growth
d) Shallow root system
Answer: c) Epiphytic growth

Which term describes the process by which plants convert stored energy into usable energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: b) Respiration

Which of the following is an example of a plant adaptation to nutrient-poor soils?
a) Mycorrhizal associations
b) Deep root system
c) Thick bark
d) Succulent leaves
Answer: a) Mycorrhizal associations

Which term describes the process by which plants take in water and nutrients from the soil?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: d) Absorption

Which of the following is an example of a plant adaptation to low oxygen conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Aerenchyma tissue
Answer: d) Aerenchyma tissue

Which term describes the relationship between two species in which one benefits and the other is harmed?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: c) Parasitism

Which of the following is an example of a plant adaptation to fire-prone environments?
a) Serotiny
b) Vivipary
c) Epiphytic growth
d) Thorns
Answer: a) Serotiny

Which term describes the process by which plants release water vapor through their leaves?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: a) Transpiration

Which of the following is an example of a plant adaptation to high temperature conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Shade tolerance
Answer: d) Shade tolerance

Which term describes the process by which plants convert sunlight into chemical energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: c) Photosynthesis

Which of the following is an example of a plant adaptation to drought conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Succulent stems
Answer: d) Succulent stems

Which term describes the relationship between two species in which one benefits and the other is unaffected?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: b) Commensalism

Which of the following is an example of a plant adaptation to low light conditions?
a) Mycorrhizal associations
b) Broad leaves
c) Epiphytic growth
d) Shallow root system
Answer: c) Epiphytic growth

Which term describes the process by which plants convert stored energy into usable energy?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: b) Respiration

Which of the following is an example of a plant adaptation to nutrient-poor soils?
a) Mycorrhizal associations
b) Deep root system
c) Thick bark
d) Succulent leaves
Answer: a) Mycorrhizal associations

Which term describes the process by which plants take in water and nutrients from the soil?
a) Transpiration
b) Respiration
c) Photosynthesis
d) Absorption
Answer: d) Absorption

Which of the following is an example of a plant adaptation to low oxygen conditions?
a) Large leaves
b) Thin leaves
c) Epiphytic growth
d) Aerenchyma tissue
Answer: d) Aerenchyma tissue

Which term describes the relationship between two species in which one benefits and the other is harmed?
a) Mutualism
b) Commensalism
c) Parasitism
d) Predation
Answer: c) Parasitism

Which of the following is an example of a plant adaptation to fire-prone environments?
a) Serotiny
b) Vivipary
c) Epiphytic growth
d) Thorns
Answer: a) Serotiny

 

 

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