Evergreen Plants Trivia Questions and Answers

aerial view of green leafed trees

1: What is an evergreen plant?
A: A plant that loses all its leaves in autumn
B: A plant that remains green and functional throughout the year
C: A plant that blooms only in the winter
D: A plant that thrives only in tropical climates
Correct Answer: B
Explanation: Evergreen plants maintain their foliage year-round, unlike deciduous plants which shed their leaves seasonally.

2: Which of these plants is NOT an evergreen?
A: Pine
B: Hemlock
C: Larch
D: Fir
Correct Answer: C
Explanation: While most conifers are evergreen, the larch is a notable exception as it is deciduous.

3: What does the Latin term sempervirens mean?
A: Always green
B: Rapid growth
C: Seasonal change
D: Flowering plant
Correct Answer: A
Explanation: Sempervirens translates to “always green,” referring to the evergreen nature of certain plants.

4: Which tree has individual leaves that can last over 30 years?
A: Pine
B: Eucalyptus
C: Great Basin bristlecone pine
D: Sequoia
Correct Answer: C
Explanation: The Great Basin bristlecone pine can retain individual leaves for over 30 years.

5: Which family does the evergreen tree Kauri belong to?
A: Pinaceae
B: Cupressaceae
C: Araucariaceae
D: Taxaceae
Correct Answer: C
Explanation: The Kauri tree is part of the Araucariaceae family.

6: What is a common trait of evergreen plants in poor soil environments?
A: High rate of photosynthesis
B: Hard leaves and excellent water economy
C: Rapid leaf shedding
D: High nutrient requirement
Correct Answer: B
Explanation: Evergreen plants often have hard leaves and an efficient water economy to adapt to environments with low nutrient levels.

7: How do evergreen plants generally shed their leaves?
A: All at once during autumn
B: Gradually throughout the year
C: Only during the dry season
D: Only after flowering
Correct Answer: B
Explanation: Evergreen trees lose their leaves gradually and not all at once.

8: Why are fewer plants evergreen in cool temperate climates?
A: Because they grow slower
B: Due to the inability to tolerate severe cold
C: They require more sunlight
D: They need more acidic soil
Correct Answer: B
Explanation: Few evergreen broadleaf plants can tolerate severe cold below about −26 °C (−15 °F).

9: Which plant family includes the coconut tree?
A: Lauraceae
B: Arecaceae
C: Myrtaceae
D: Magnoliaceae
Correct Answer: B
Explanation: The coconut tree is part of the Arecaceae family.

10: What kind of forest is characterized by being too cold for rapid soil decay, favoring evergreen plants?
A: Tropical rainforest
B: Boreal forest (Taiga)
C: Mediterranean forest
D: Deciduous forest
Correct Answer: B
Explanation: Boreal forests have cold conditions that slow down soil organic matter decay, favoring evergreen species.

11: What is the unique feature of the Japanese umbrella pine in terms of taxonomy?
A: It belongs to multiple families
B: It has its own family and is the only species in it
C: It is deciduous
D: It blooms twice a year
Correct Answer: B
Explanation: The Japanese umbrella pine is unique because it has its own family, of which it is the only species.

12: Which evergreen family does the sequoia tree belong to?
A: Cupressaceae
B: Pinaceae
C: Taxaceae
D: Aquifoliaceae
Correct Answer: A
Explanation: The sequoia tree is part of the Cupressaceae family.

13: What are clubmosses?
A: Deciduous plants
B: Evergreen plants
C: Flowering plants
D: Aquatic plants
Correct Answer: B
Explanation: Clubmosses and their relatives are evergreen plants.

14: How do evergreen plants in Mediterranean climates contribute to soil conditions?
A: By increasing soil nitrogen content
B: By contributing acidifying leaf litter
C: By lowering soil acidity
D: By enriching soil with phosphorus
Correct Answer: B
Explanation: Evergreen plants in Mediterranean climates contribute acidifying leaf litter, which can increase soil acidity.

15: Which plant is an example of a woody evergreen from frost-free climates?
A: Oak
B: Cypress
C: Eucalyptus
D: Fir
Correct Answer: C
Explanation: Eucalyptus is a woody evergreen from frost-free climates.

16: Which evergreen plant is known for significant longevity of its leaves in decades?
A: Sequoia sempervirens
B: Cupressus sempervirens
C: Lonicera sempervirens
D: Prunus sempervirens
Correct Answer: A
Explanation: Sequoia sempervirens leaves can last for several decades.

17: What is a morphological character of broad-leaved evergreen species compared to deciduous species?
A: Thinner leaves
B: Larger volume of parenchyma and air spaces per unit leaf area
C: Lower total leaf area
D: Higher specific leaf area
Correct Answer: B
Explanation: Broad-leaved evergreen species generally have thicker leaves with a larger volume of parenchyma and air spaces per unit leaf area.

18: What is a reason for trees being deciduous?
A: To conserve water during the rainy season
B: As an adaptation to a cold or dry/wet season
C: To attract more pollinators
D: To increase photosynthesis
Correct Answer: B
Explanation: Deciduous trees shed their leaves usually as an adaptation to cold or dry/wet seasons.

19: Which type of plant leaf litter has a higher carbon-nitrogen ratio?
A: Deciduous leaf litter
B: Evergreen leaf litter
C: Flowering plant leaf litter
D: Grass leaf litter
Correct Answer: B
Explanation: Evergreen leaf and needle litter has a higher carbon-nitrogen ratio compared to deciduous leaf litter.

20: Why are some pines and cypresses in warmer areas evergreens?
A: Because they grow quickly
B: They grow on poor soils and disturbed ground
C: They require high nutrients
D: Their leaves are softer
Correct Answer: B
Explanation: In warmer areas, some pines and cypresses grow on poor soils and disturbed ground, making them evergreen.

21: Where are Rhododendron broadleaf evergreens usually found?
A: On nutrient-rich soils
B: On highly acidic soil
C: In hot deserts
D: In deep freshwater lakes
Correct Answer: B
Explanation: Rhododendron broadleaf evergreens are usually found on highly acidic soils.

22: What is a characteristic of evergreen needle litter in taiga forests?
A: It decomposes rapidly
B: Has a lower carbon-nitrogen ratio
C: Contributes to higher soil acidity
D: Has a short lifespan
Correct Answer: C
Explanation: Evergreen needle litter in taiga forests contributes to higher soil acidity due to its slow decomposition rate.

23: What adaptation helps evergreens survive in nutrient-poor environments?
A: High rate of photosynthesis
B: Rapid leaf shedding
C: Efficient water economy
D: High nutrient requirements
Correct Answer: C
Explanation: Evergreens usually have excellent water economy, which helps them survive in nutrient-poor environments.

24: What type of climate favors the prevalence of broad-leaved evergreen plants?
A: Cool temperate climate
B: Warm temperate climate
C: Arid desert climate
D: High alpine climate
Correct Answer: B
Explanation: Many warm temperate climate plants are evergreen.

25: In what way do existing evergreen plants help younger evergreens thrive?
A: By providing nutrients
B: By giving shelter from cold and drought
C: By increasing soil fertility
D: By attracting more pollinators
Correct Answer: B
Explanation: Existing evergreen plants can make it easier for younger evergreens to survive by providing shelter from cold and/or drought.

26: Which evergreen plant family includes the southern magnolia?
A: Aquifoliaceae
B: Lauraceae
C: Magnoliaceae
D: Arecaceae
Correct Answer: C
Explanation: The southern magnolia belongs to the Magnoliaceae family.

27: Which plant family includes the bay tree, an evergreen?
A: Myrtaceae
B: Lauraceae
C: Fagaceae
D: Cyatheaceae
Correct Answer: B
Explanation: The bay tree is part of the Lauraceae family.

28: Which evergreen plant is part of the Arecaceae family?
A: Holly
B: Coconut
C: Southern magnolia
D: Queen sago
Correct Answer: B
Explanation: The coconut tree is part of the Arecaceae family.

29: What kind of soil do evergreen plants like sequoias prefer?
A: Highly alkaline soil
B: Nutrient-rich soil
C: Disturbed ground
D: Acidic soil
Correct Answer: D
Explanation: Several evergreen plants, like different species of rhododendron, prefer highly acidic soils.

30: Which evergreen tree is commonly associated with rainforest environments?
A: Pine
B: Fir
C: Eucalyptus
D: Spruce
Correct Answer: C
Explanation: Many rainforest trees, including various eucalyptus species, are evergreens that thrive in these environments.

31: Why are leaves of broad-leaved evergreen species generally thicker?
A: To conserve nutrients
B: To increase photosynthesis rate
C: To reduce water loss
D: To support rapid growth
Correct Answer: C
Explanation: Thicker leaves help to reduce water loss, which is beneficial for evergreen species in diverse environments.

32: What is an example of a frost-free evergreen plant?
A: Pine
B: Bay tree
C: Hemlock
D: Larch
Correct Answer: B
Explanation: The bay tree is a frost-free evergreen plant belonging to the Lauraceae family.

33: What is the common name for the tree with the binomial term Cupressus sempervirens?
A: Sequoia
B: Pine
C: Cypress
D: Oak
Correct Answer: C
Explanation: Cupressus sempervirens refers to a type of cypress.

34: Which evergreen family is known for the Shamel ash?
A: Lauraceae
B: Pinaceae
C: Cupressaceae
D: Oleaceae
Correct Answer: D
Explanation: The Shamel ash is part of the Oleaceae family.

35: Why do evergreen plants often have a lower rate of photosynthesis compared to deciduous plants?
A: Lack of nutrients
B: High water intake
C: Larger leaf biomass
D: Smaller leaf area
Correct Answer: C
Explanation: Evergreen plants often have a larger leaf biomass, which usually results in a lower rate of photosynthesis compared to deciduous plants.

36: How do evergreen plants help maintain their survival in temperate climates?
A: By storing large amounts of carbon
B: By producing less leaf litter
C: By creating harsher soil conditions for competitors
D: By growing rapidly
Correct Answer: C
Explanation: Evergreen plants can reinforce their survival by contributing acidifying leaf litter, creating soil conditions that are less favorable for competitors.

37: Which evergreen plant family includes the queen sago?
A: Myrtaceae
B: Arecaceae
C: Cycadaceae
D: Lauraceae
Correct Answer: C
Explanation: The Queen sago belongs to the Cycadaceae family.

38: How do evergreen plants typically manage nutrient loss compared to deciduous plants?
A: They lose more nutrients
B: They lose fewer nutrients
C: They recycle nutrients quicker
D: They do not manage nutrient loss
Correct Answer: B
Explanation: Evergreen plants usually lose fewer nutrients gradually compared to deciduous plants that lose them all at once when shedding leaves.

39: What temperature can most evergreen broadleaf plants not tolerate?
A: Above 10°C
B: Below -26°C
C: Above 30°C
D: Below -5°C
Correct Answer: B
Explanation: Evergreen broadleaf plants usually cannot tolerate severe cold below about −26 °C (−15 °F).

40: Which rainfall environment typically supports evergreen plants?
A: Tundra
B: Desert
C: Rainforest
D: Grassland
Correct Answer: C
Explanation: Most tropical rainforest plants are considered to be evergreens, replacing their leaves gradually throughout the year.

41: What feature makes evergreen plants suitable for arid climates?
A: Rapid photosynthesis
B: High water retention
C: Soft leaves
D: Low seed production
Correct Answer: B
Explanation: Evergreen plants often have an excellent water economy, making them well-suited for arid climates.

42: How do evergreens contribute to soil acidity in temperate climates?
A: By decomposing quickly
B: By providing nutrient-rich leaf litter
C: By producing acidifying leaf and needle litter
D: By shedding all leaves at once
Correct Answer: C
Explanation: Evergreen leaf and needle litter has higher carbon-nitrogen ratios and acidifies the soil.

43: Which plant is an example of an ancient gymnosperm that is evergreen?
A: Oak
B: Bamboo
C: Cycad
D: Hemlock
Correct Answer: C
Explanation: Cycads are ancient gymnosperms which are evergreen.

44: Which characteristic is typical of evergreen plants in taiga regions?
A: High nutrient soil requirement
B: Soft leaves
C: Slow decomposition of leaf litter
D: Rapid growth
Correct Answer: C
Explanation: In taiga regions, the cold conditions lead to slow decomposition of leaf litter, favoring evergreen species.

45: What type of soil condition is favorable for Mediterranean evergreen seedlings?
A: High nitrogen content
B: High acidity and lower nitrogen
C: High pH
D: Low potassium content
Correct Answer: B
Explanation: Mediterranean evergreen seedlings grow well in soils with high acidity and lower nitrogen content.

46: Which plant group is an example of non-conifer evergreen species?
A: Pine
B: Bamboo
C: Fir
D: Spruce
Correct Answer: B
Explanation: Most bamboos are considered evergreen and do not belong to the conifer group.

47: Which evergreen tree is part of the Pinaceae family?
A: Eucalyptus
B: Holly
C: Pine
D: Yew
Correct Answer: C
Explanation: Pine trees are evergreen trees belonging to the Pinaceae family.

48: How does evergreen leaf litter impact soil nitrogen content?
A: Increases nitrogen content
B: Lowers nitrogen content
C: Has no impact
D: Reduces organic matter
Correct Answer: B
Explanation: Evergreen leaf litter tends to lower soil nitrogen content.

49: Which evergreen family includes the Australian tree fern?
A: Aquifoliaceae
B: Cyatheaceae
C: Myrtaceae
D: Fagaceae
Correct Answer: B
Explanation: The Australian tree fern belongs to the Cyatheaceae family.

50: What is a reason for some plants being semi-evergreen?
A: To balance between maximizing sunlight and conserving moisture
B: To grow faster
C: To attract more pollinators
D: To produce more seeds
Correct Answer: A
Explanation: Semi-evergreen plants balance between maximizing sunlight exposure and conserving moisture.

51: What kind of evergreen plant is a southern live oak?
A: Shrub
B: Tree
C: Vine
D: Grass
Correct Answer: B
Explanation: The southern live oak is an evergreen tree.

52: Which evergreen family includes the holly tree?
A: Magnoliaceae
B: Myrtaceae
C: Aquifoliaceae
D: Cyatheaceae
Correct Answer: C
Explanation: The holly tree belongs to the Aquifoliaceae family.

53: What is a feature of evergreen plants in seasonally arid climates?
A: They are semi-deciduous
B: They replace leaves gradually
C: They shed all leaves during dry season
D: They grow in nutrient-rich soils
Correct Answer: B
Explanation: In seasonally arid climates, evergreen species replace their leaves gradually rather than shedding them all at once.

54: Which evergreen family does the real yellowwood belong to?
A: Pinaceae
B: Podocarpaceae
C: Taxaceae
D: Cupressaceae
Correct Answer: B
Explanation: The real yellowwood is part of the Podocarpaceae family.

55: What is a characteristic of evergreen plants in cold climates?
A: High growth rate
B: Low tolerance for soil acidity
C: Thick needles or leaves
D: Rapid nutrient recycling
Correct Answer: C
Explanation: Evergreen plants in cold climates often have thick needles or leaves.

56: In which environment are evergreen plants exceptionally abundant?
A: Tundra
B: Tropical rainforest
C: Sagebrush steppe
D: Grasslands
Correct Answer: B
Explanation: Evergreen plants are especially abundant in tropical rainforest environments.

57: Why do Mediterranean evergreen seedlings have faster growth compared to other seedlings?
A: Higher temperatures
B: Stored resources determine fast growth
C: Abundant water supply
D: Rich soil nutrients
Correct Answer: B
Explanation: Mediterranean evergreen seedlings rely on unique carbon and nitrogen storages that promote fast growth.

58: What does the family Lauraceae include besides the bay tree?
A: Eucalypts
B: Coconut
C: Real yellowwood
D: Southern magnolia
Correct Answer: A
Explanation: The Lauraceae family includes many other plants, such as eucalypts.

59: Which tree is not an evergreen but belongs to a primarily evergreen family?
A: Oak
B: Spruce
C: Larch
D: Cycad
Correct Answer: C
Explanation: The larch is a deciduous tree that belongs to a primarily evergreen family.

60: Which evergreen family does the yew tree belong to?
A: Podocarpaceae
B: Aquifoliaceae
C: Taxaceae
D: Myrtaceae
Correct Answer: C
Explanation: The yew tree belongs to the Taxaceae family.

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