Alocasia Polly Trivia Questions and Answers

1: What feature is characteristic of Alocasia genus leaves?
A: Small and needle-like
B: Cordate or sagittate shaped
C: Triangular folds
D: Thin grass-like blades
Correct Answer: B
Explanation: Alocasia genus leaves are typically broad and have cordate (heart-shaped) or sagittate (arrowhead-shaped) forms.

2: Alocasia is a genus belonging to which family?
A: Rosaceae
B: Araceae
C: Fabaceae
D: Asteraceae
Correct Answer: B
Explanation: Alocasia is part of the Araceae family.

3: How many accepted species are there in the genus Alocasia?
A: 90
B: 150
C: 30
D: 60
Correct Answer: A
Explanation: The Alocasia genus has about 90 accepted species.

4: Where are Alocasia plants native to?
A: North America
B: Europe
C: Tropical and subtropical Asia and eastern Australia
D: Africa
Correct Answer: C
Explanation: They are native to tropical and subtropical Asia and eastern Australia.

5: The genus Alocasia typically includes plants that are what type?
A: Trees
B: Shrubs
C: Rhizomatous or tuberous, broad-leaved perennials
D: Vines
Correct Answer: C
Explanation: Alocasia includes rhizomatous or tuberous, broad-leaved, perennial flowering plants.

6: What is a common use for Alocasia hybrids and cultivars around the world?
A: Food crops
B: Timber production
C: Ornamental plants
D: Medicinal herbs
Correct Answer: C
Explanation: Many growers cultivate Alocasia hybrids and cultivars as ornamental plants.

7: Which part of Alocasia plants contain the highest concentrations of toxins?
A: Upper leaves
B: Flowers
C: Lower parts, including corms
D: Seeds
Correct Answer: C
Explanation: The lower parts of Alocasia plants, such as the corms, contain the highest concentrations of toxins.

8: What can consumption of raw Alocasia cause?
A: Allergic reactions
B: Severe swelling and sharp pain in the throat
C: Instant blood clotting
D: Nausea only
Correct Answer: B
Explanation: Raw Alocasia can cause numbness, swelling of the tongue and pharynx, and sharp pain in the throat.

9: What is a necessary process to make the corms of some Alocasia species edible?
A: Freezing
B: Prolonged boiling
C: Sun drying
D: Fermentation
Correct Answer: B
Explanation: The corms of some Alocasia species can be made edible after prolonged boiling.

10: Which fruit is suggested to help dissolve raphides in Alocasia corms?
A: Mango
B: Tamarind
C: Banana
D: Apple
Correct Answer: B
Explanation: Acidic fruits like tamarind may help dissolve the raphides in Alocasia corms.

11: Which Alocasia species is known as “Giant taro”?
A: Alocasia reginula
B: Alocasia macrorrhizos
C: Alocasia melo
D: Alocasia nebula
Correct Answer: B
Explanation: Alocasia macrorrhizos is also known as “Giant taro.”

12: Which Alocasia species is referred to as “Chinese taro”?
A: Alocasia cucullata
B: Alocasia sanderiana
C: Alocasia micholitziana
D: Alocasia azlanii
Correct Answer: A
Explanation: Alocasia cucullata is known as “Chinese taro.”

13: Which hybrid Alocasia has gained the Royal Horticultural Society’s Award of Garden Merit?
A: A. × gigantea
B: A. × mortfontanensis
C: A. × amazonica
D: A. × reginae
Correct Answer: C
Explanation: A. × amazonica has gained the Royal Horticultural Society’s Award of Garden Merit.

14: What conditions are ideal for growing Alocasia as houseplants?
A: Direct sunlight and dry air
B: Dim light and medium to high humidity
C: Very cold temperatures
D: Low humidity and sandy soil
Correct Answer: B
Explanation: Alocasia houseplants thrive in dim light and medium to high humidity.

15: Which Alocasia species is known for its “Black velvet” foliage?
A: Alocasia lindenii
B: Alocasia reginula
C: Alocasia micholitziana
D: Alocasia macrorrhizos
Correct Answer: B
Explanation: Alocasia reginula is known for its “Black velvet” foliage.

16: Which is a synonym for the genus Alocasia?
A: Ensolenanthe
B: Helianthus
C: Trifolium
D: Taraxacum
Correct Answer: A
Explanation: Ensolenanthe is a synonym for the genus Alocasia.

17: The leaves of Alocasia can grow to a length of how many centimeters?
A: 5 to 15
B: 20 to 90
C: 100 to 200
D: 1 to 10
Correct Answer: B
Explanation: The leaves of Alocasia can grow to a length of 20 to 90 cm.

18: Which Alocasia species is native to Sri Lanka?
A: Alocasia macrorrhizos
B: Alocasia alba
C: Alocasia scalprum
D: Alocasia nebula
Correct Answer: B
Explanation: Alocasia alba is native to Sri Lanka.

19: Where does Alocasia sanderiana originate from?
A: Philippines
B: Malaysia
C: India
D: Japan
Correct Answer: A
Explanation: Alocasia sanderiana originates from the Philippines.

20: What nickname is given to Alocasia longiloba?
A: Green shield
B: Elephant ear
C: Night-scented lily
D: Spoon lily
Correct Answer: A
Explanation: Alocasia longiloba is referred to as “Green shield.”

21: Alocasia plants are prone to infestations from what indoor pest?
A: Aphids
B: Spider mites
C: Snails
D: Caterpillars
Correct Answer: B
Explanation: Alocasia plants are prone to spider mite infestations indoors.

22: What is another common name for Alocasia macrorrhizos?
A: Black velvet
B: Elephant ear
C: Fairy wings
D: Iron cross
Correct Answer: B
Explanation: Alocasia macrorrhizos is also known as “Elephant ear.”

23: How are the flowers of Alocasia typically displayed?
A: Prominently on long stalks
B: Hidden behind leaf petioles
C: At the tips of branches
D: Floating on water
Correct Answer: B
Explanation: The flowers of Alocasia are often hidden behind leaf petioles.

24: What substance in Alocasia can cause numbing and swelling of the tongue?
A: Cyanide
B: Raphide crystals of calcium oxalate
C: Tannin
D: Caffeine
Correct Answer: B
Explanation: Alocasia contains raphide crystals of calcium oxalate that can cause numbing and swelling.

25: What should be regularly done to Alocasia leaves indoors?
A: Trim them
B: Clean them weekly
C: Paint them
D: Spray paint
Correct Answer: B
Explanation: Alocasia leaves should be cleaned weekly for better growth and health.

26: During winter, what change should be made to the watering schedule for Alocasia?
A: Increase the frequency
B: Keep it the same
C: Reduce the frequency
D: Stop watering completely
Correct Answer: C
Explanation: The watering schedule should be reduced during winter.

27: For successful indoor growth, how should Alocasia plants be acclimatized?
A: Abruptly moved into the house
B: Gradually acclimatized from garden to indoors
C: Placed in a dark room immediately
D: Exposed to constant artificial light
Correct Answer: B
Explanation: Gradually acclimatizing them from garden to indoors helps them adapt better.

28: Where should Alocasia plants be placed to avoid direct sunlight indoors?
A: On the roof
B: Near a south-facing window
C: Behind a sheer curtain
D: Outside at night
Correct Answer: C
Explanation: Alocasia should be placed behind a sheer curtain to avoid direct sunlight indoors.

29: What common name is given to Alocasia odora?
A: Snake plant
B: Night-scented lily
C: Giant taro
D: Dragon tail
Correct Answer: B
Explanation: Alocasia odora is known as night-scented lily.

30: What is the botanical term for the Alocasia species’ flower structure?
A: Anthocyanin
B: Petal
C: Araceous florets
D: Sepal
Correct Answer: C
Explanation: Alocasia produces araceous florets, which are often inconspicuous.

31: Which Alocasia species is named after a descriptor due to its dark leaves with prominent veins?
A: Alocasia micholitziana
B: Alocasia zebrina
C: Alocasia nebula
D: Alocasia melo
Correct Answer: C
Explanation: Alocasia nebula is named for its dark leaves with prominent veins.

32: Why should Alocasia be grown in a controlled greenhouse environment?
A: Because they require constant exposure to sunlight
B: To maintain medium to high humidity and consistent temperature
C: Avoid contamination from soil
D: For increased resistance to pests
Correct Answer: B
Explanation: A controlled greenhouse helps maintain the ideal humidity and temperature for Alocasia.

33: Which Alocasia species is known as the “Batwing Alocasia”?
A: Alocasia zebrina
B: Alocasia micholitziana
C: Alocasia nycteris
D: Alocasia nebula
Correct Answer: C
Explanation: Alocasia nycteris is referred to as Batwing Alocasia.

34: What makes Alocasia plants susceptible to drying out during artificial heating?
A: Thin leaves
B: Broad leaves with large surface area
C: Root structure
D: Flowering habits
Correct Answer: B
Explanation: The broad leaves with a large surface area make them prone to drying out.

35: Which Alocasia species’ native habitat is Borneo with unique leaf patterns?
A: Alocasia cuprea
B: Alocasia melo
C: Alocasia reginula
D: Alocasia robusta
Correct Answer: B
Explanation: Alocasia melo is native to Borneo and is known for its unique leaf patterns.

36: What protective measure helps Alocasia adapt better when moved indoors for winter?
A: Complete darkness exposure
B: Gradual acclimatization
C: Direct hot air blower
D: Daily soaking in water
Correct Answer: B
Explanation: Gradual acclimatization helps them adapt to indoor conditions better.

37: What defines the petioles of Alocasia plants?
A: Short and thin
B: Long and sturdy
C: Rhizomatic
D: Woody
Correct Answer: B
Explanation: Alocasia leaves are supported by long and sturdy petioles.

38: Which Alocasia species is also called “Spoon lily”?
A: Alocasia reginula
B: Alocasia zebrina
C: Alocasia macrorrhizos
D: Alocasia brisbanensis
Correct Answer: D
Explanation: Alocasia brisbanensis is also known as “Spoon lily.”

39: How should the leaves of Alocasia be treated to maintain health?
A: Washed using detergent
B: Trimmed every week
C: Regularly cleaned
D: Painted with wax
Correct Answer: C
Explanation: Regular cleaning of the leaves helps maintain the health of Alocasia plants.

40: What is the importance of maintaining medium to high humidity for Alocasia in a greenhouse?
A: Reduce fungal infections
B: Necessary for their tropical growth conditions
C: Promote quicker flowering
D: To increase leaf color
Correct Answer: B
Explanation: Medium to high humidity is necessary for the tropical growth conditions of Alocasia plants.

41: Where does the hybrid Alocasia × amazonica originate its name?
A: Because it’s native to the Amazon rainforest
B: Derived from its cross-breeding method
C: Named after its leaf patterns
D: From its cultivation in Amazon countries
Correct Answer: B
Explanation: Alocasia × amazonica is named from cross-breeding methods, not its geographic origin.

42: What differentiates Alocasia reginula from other species?
A: Produces large flowers
B: Features “Black velvet” foliage with a dark, velvety surface
C: It is drought-tolerant
D: Its flowers bloom at night
Correct Answer: B
Explanation: Alocasia reginula is known for its “Black velvet” leaves.

43: What causes Alocasia leaves to potentially develop larger sizes indoors?
A: Lack of pests
B: Availability of fertilizers
C: Dim light conditions often result in larger leaves
D: Exposure to direct sunlight
Correct Answer: C
Explanation: Dim light conditions usually make Alocasia leaves grow larger indoors.

44: Which species of Alocasia is native to Indonesia and known for its shiny coppery leaves?
A: Alocasia zebrina
B: Alocasia cuprea
C: Alocasia micholitziana
D: Alocasia reginula
Correct Answer: B
Explanation: Alocasia cuprea is known for its coppery leaves and is native to Indonesia.

45: What is the proper care protocol to reduce cold damage risk for Alocasia moved indoors?
A: Daily misting
B: Spray pesticide often
C: Gradually reduce exposure to lower temperatures
D: Use artificial heaters extensively
Correct Answer: C
Explanation: Gradually reducing exposure to cold helps to reduce the risk of cold damage for indoor Alocasia.

46: In what specific temperature settings should Alocasia thrive when kept indoors?
A: Cold with low humidity
B: Hot and dry
C: Warm with medium to high humidity
D: Icy conditions
Correct Answer: C
Explanation: Alocasia plants thrive in warm settings with medium to high humidity when kept indoors.

47: How often should Alocasia plants be fertilized for optimal growth?
A: Every month
B: Daily
C: Weekly
D: Annually
Correct Answer: C
Explanation: Alocasia plants should be frequently fertilized, typically weekly, for optimal growth.

48: Which differentiates Alocasia scalprum?
A: Long and thin rhizomes
B: Slimmer, lance-shaped leaves also known as Samar lance
C: Vibrant multicolored flowers
D: Produces edible fruits
Correct Answer: B
Explanation: Alocasia scalprum, also known as Samar lance, is distinctive for its slimmer, lance-shaped leaves.

49: What effect does gradual acclimatization to indoor conditions have on Alocasia?
A: It stunts the plant growth
B: It kills the plant roots
C: Helps them adapt and avoid shock
D: Increases pest infestations
Correct Answer: C
Explanation: Gradually acclimatizing Alocasia to indoor conditions helps them adapt and avoid transplant shock.

50: Which of the following Alocasia species is commonly called “Green shield”?
A: Alocasia odora
B: Alocasia longiloba
C: Alocasia reginae
D: Alocasia robusta
Correct Answer: B
Explanation: Alocasia longiloba is also commonly known as “Green shield.”

51: What do Alocasia plants fail to tolerate when kept indoors?
A: Excess moisture
B: Medium humidity
C: Dim light
D: Direct sunlight
Correct Answer: D
Explanation: Alocasia plants cannot tolerate direct sunlight when kept indoors.

52: What is unique about Alocasia micholitziana foliage?
A: Bright yellow flowers
B: White stripes and velvety surface
C: Thick waxy leaves
D: Red-tinted edges
Correct Answer: B
Explanation: Alocasia micholitziana is known for its white-striped, velvety-surfaced foliage.

53: What condition is critical for the successful growth of Alocasia in a greenhouse?
A: Dry winds
B: Direct sunlight
C: Medium to high humidity
D: Low temperatures
Correct Answer: C
Explanation: Consistent medium to high humidity is vital for the successful growth of Alocasia in a greenhouse.

54: What notable award was given to the hybrid Alocasia × amazonica?
A: Pritzker Prize
B: Pulitzer Prize
C: Nobel Peace Prize
D: Royal Horticultural Society’s Award of Garden Merit
Correct Answer: D
Explanation: Alocasia × amazonica has received the Royal Horticultural Society’s Award of Garden Merit.

55: How can one counteract the numbing and swelling effects of raw Alocasia ingestion?
A: Immediate consumption of water
B: Consumption of acidic fruits like tamarind
C: Sun exposure
D: Application of honey on the tongue
Correct Answer: B
Explanation: Consuming acidic fruits like tamarind can help dissolve the raphides and mitigate numbing and swelling effects.

56: Which species of Alocasia is well known for its slim, elongated leaves resembling a shield?
A: Alocasia zebrina
B: Alocasia nycteris
C: Alocasia longiloba
D: Alocasia macrorrhiza
Correct Answer: C
Explanation: Alocasia longiloba is known for its elongated, shield-like leaves.

57: What’s the preferred watering method during winter for Alocasia plants inside the house?
A: Water heavily daily
B: Water moderately and adjust frequency
C: Do not water at all
D: Water only once a month
Correct Answer: B
Explanation: Moderate watering with adjusted frequency is preferred for Alocasia during winter indoors.

58: What should continuously be monitored to prevent pest infestations on indoor Alocasia?
A: Soil pH levels
B: Leaf cleanliness
C: Flowering stage
D: Corm growth
Correct Answer: B
Explanation: Continuously monitoring and cleaning leaves can help prevent pest infestations on indoor Alocasia plants.

59: What adaptation do Alocasia plants develop for their broad leaves under low light?
A: Thicker foliage
B: Larger and broader size
C: Brittle edges
D: Flowering extremities
Correct Answer: B
Explanation: Under low light, Alocasia plants develop larger and broader leaves.

60: Which Alocasia species is known as “Green velvet”?
A: Alocasia infernalis
B: Alocasia nebula
C: Alocasia micholitziana
D: Alocasia acuminata
Correct Answer: C
Explanation: Alocasia micholitziana is commonly known as “Green velvet.”

I hope these trivia questions make learning about Alocasia engaging and informative!

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