Calibrachoa Trivia Questions and Answers

purple flower with green leaves
  1. What family does Calibrachoa belong to?
    A: Rosaceae
    B: Solanaceae
    C: Fabaceae
    D: Asteraceae
    Correct Answer: B
    Explanation: Calibrachoa is a genus of plants in the Solanaceae (nightshade) family.
  2. In which region are Calibrachoa primarily found?
    A: North America
    B: South America
    C: Europe
    D: Asia
    Correct Answer: B
    Explanation: Calibrachoa are found across much of South America, from southern Brazil to Peru and Chile.
  3. What kind of habit do Calibrachoa plants typically have?
    A: Upright
    B: Sprawling
    C: Climbing
    D: Floating
    Correct Answer: B
    Explanation: Calibrachoa are evergreen short-lived perennials and subshrubs with a sprawling habit.
  4. How are Calibrachoa flowers typically described?
    A: Large with multiple petals
    B: Small and petunia-type
    C: Fragrant
    D: In clusters
    Correct Answer: B
    Explanation: Calibrachoa have small, petunia-type flowers.
  5. What hybrid genus is derived from crossing Calibrachoa and Petunia?
    A: Petbrantia
    B: Solapet
    C: Petchoa
    D: Calitunia
    Correct Answer: C
    Explanation: Petchoa is a hybrid genus derived from crossing Calibrachoa and Petunia.
  6. Who was Calibrachoa named after?
    A: Vicente Cervantes
    B: José Rojas
    C: Antonio de la Cal y Bracho
    D: Juan Domínguez
    Correct Answer: C
    Explanation: Calibrachoa was named after Antonio de la Cal y Bracho, a 19th-century Mexican botanist and pharmacologist.
  7. What is a unique feature of Calibrachoa seeds?
    A: They have a silky surface
    B: They are brightly colored
    C: They have a net-like surface
    D: They are very large
    Correct Answer: C
    Explanation: Calibrachoa seeds have a net-like surface due to perpendicular walls to the seed surface.
  8. What type of flowers does Calibrachoa pygmaea have?
    A: Funnel-shaped
    B: Bell-shaped
    C: Salver-shaped
    D: Star-shaped
    Correct Answer: C
    Explanation: Calibrachoa pygmaea has salver-shaped flowers.
  9. What shape are the leaves of Calibrachoa?
    A: Ovate, elliptic, reverse ovate, or linear
    B: Heart-shaped
    C: Needle-like
    D: Fan-shaped
    Correct Answer: A
    Explanation: The leaves of Calibrachoa can be ovate, elliptic, reverse ovate, or linear.
  10. What type of growth do Calibrachoa plants exhibit?
    A: Annual or perennial
    B: Biennial
    C: Only annual
    D: Only ephemeral
    Correct Answer: A
    Explanation: Calibrachoa plants can grow as annual or perennial.
  11. What feature distinguishes Calibrachoa from Petunia in terms of chromosomes?
    A: Major differences in chromosomes
    B: Identical chromosomes
    C: Calibrachoa has fewer chromosomes
    D: Only one chromosome differs
    Correct Answer: A
    Explanation: There are major chromosomal differences that distinguish Calibrachoa from Petunia.
  12. Which subfamily does Calibrachoa belong to?
    A: Rosacetoideae
    B: Petunioideae
    C: Solaoideae
    D: Fabaoideae
    Correct Answer: B
    Explanation: Calibrachoa belongs to the Petunioideae subfamily.
  13. Where in South America can you commonly find Calibrachoa?
    A: Forests
    B: Desert regions
    C: Scrub and open grassland
    D: Coastal areas
    Correct Answer: C
    Explanation: Calibrachoa inhabits scrub and open grassland regions.
  14. What is notable about the calyx of Calibrachoa flowers?
    A: It has more than 20 ribs
    B: It is usually lobed to about the middle
    C: It is completely fused
    D: It is always colorful
    Correct Answer: B
    Explanation: The calyx of Calibrachoa flowers is usually lobed to about the middle.
  15. How are the bracts of Calibrachoa inflorescences described?
    A: Falling off early
    B: Oppositely standing and foliage-like
    C: Only one side of the stem
    D: Very large and showy
    Correct Answer: B
    Explanation: The bracts of Calibrachoa inflorescences are oppositely standing and foliage-like.
  16. What are the colors of the Calibrachoa crown?
    A: Only blue and yellow
    B: Green and orange
    C: Purple, red, pink, or whitish
    D: Black and silver
    Correct Answer: C
    Explanation: The crown of Calibrachoa can be purple, red, pink, or whitish.
  17. Which clades does Calibrachoa belong to?
    A: Bryophytes, Gymnosperms, Monocots
    B: Tracheophytes, Angiosperms, Eudicots, Asterids
    C: Lichens, Ferns, Mosses
    D: Fungi, Liverworts, Algae
    Correct Answer: B
    Explanation: Calibrachoa belongs to the clades Tracheophytes, Angiosperms, Eudicots, and Asterids.
  18. How many chromosomal ribs does the Calibrachoa calyx typically have?
    A: One to three
    B: Five or ten
    C: Fifteen or twenty
    D: More than twenty
    Correct Answer: B
    Explanation: The calyx of Calibrachoa typically has five or ten ribs.
  19. What are the fruits of Calibrachoa plants?
    A: Berries
    B: Nuts
    C: Capsules
    D: Drupes
    Correct Answer: C
    Explanation: The fruits of Calibrachoa plants are capsules.
  20. What kinds of shapes can Calibrachoa leaves have?
    A: Pinnate and palmate
    B: Needle-like and tubular
    C: Ovate, elliptic, reverse ovate, or linear
    D: Scaly and triangular
    Correct Answer: C
    Explanation: Calibrachoa leaves can be ovate, elliptic, reverse ovate, or linear.
  1. What is the growth habit of Calibrachoa Million Bells in a hanging basket?
    A: Upright and tall
    B: Sprawling and trailing
    C: Compact and bushy
    D: Climbing and winding
    Correct Answer: B
    Explanation: Calibrachoa Million Bells in a hanging basket has a sprawling and trailing growth habit.
  2. What is distinctive about the flowers of the hybrid ‘Superbells Strawberry Punch’?
    A: Edible petals
    B: Double-layered petals
    C: Brightly colored and petunia-like
    D: Large fragrant blooms
    Correct Answer: C
    Explanation: The hybrid ‘Superbells Strawberry Punch’ has brightly colored and petunia-like flowers.
  3. Who named Calibrachoa?
    A: Charles Darwin
    B: Vicente Cervantes
    C: Gregor Mendel
    D: Carl Linnaeus
    Correct Answer: B
    Explanation: Calibrachoa was named by Vicente Cervantes.
  4. Calibrachoa belongs to which order?
    A: Rosales
    B: Solanales
    C: Lamiales
    D: Fabales
    Correct Answer: B
    Explanation: Calibrachoa belongs to the order Solanales.
  5. What color can the crown of Calibrachoa flowers NOT be?
    A: Blue
    B: Whittish
    C: Pink
    D: Purple
    Correct Answer: A
    Explanation: The crown of Calibrachoa flowers can be purple, red, pink, or whitish but not blue.
  6. How do Calibrachoa plants typically reproduce?
    A: Through spores
    B: By cuttings
    C: By seeds
    D: Asexual reproduction only
    Correct Answer: C
    Explanation: Calibrachoa plants typically reproduce by seeds.
  7. Which of the following describes Calibrachoa flowers?
    A: Zygomorphic
    B: Radial symmetry
    C: Asymmetrical
    D: Irregular
    Correct Answer: A
    Explanation: Calibrachoa flowers are usually zygomorphic, meaning they have bilateral symmetry.
  8. The calyx of which Calibrachoa species is reciprocal in both cases?
    A: Calibrachoa minor
    B: Calibrachoa pygmaea
    C: Calibrachoa major
    D: Calibrachoa grandiflora
    Correct Answer: B
    Explanation: Calibrachoa pygmaea is unique in having a reciprocal calyx.
  9. What characteristic do all Calibrachoa seeds share?
    A: Smooth surface
    B: Net-like structure
    C: Spiky exterior
    D: Fuzzy coating
    Correct Answer: B
    Explanation: All Calibrachoa seeds have a net-like surface.
  10. What is the primary growth form of Calibrachoa plants?
    A: Climbers
    B: Small shrubs or herbaceous plants
    C: Large trees
    D: Aquatic plants
    Correct Answer: B
    Explanation: Calibrachoa are small shrubs or herbaceous plants.
  11. What is a common habitat for Calibrachoa?
    A: Dense forests
    B: Urban areas
    C: Scrub and open grassland
    D: Mountain peaks
    Correct Answer: C
    Explanation: Calibrachoa commonly inhabit scrub and open grassland areas.
  12. Which scientist named the hybrid ‘Petchoa’?
    A: Vicente Cervantes
    B: Unknown researchers
    C: Carl Linnaeus
    D: Modern horticulturists
    Correct Answer: D
    Explanation: Petchoa is a hybrid genus named by modern horticulturists through crossing Calibrachoa and Petunia.
  13. What is the typical shape of the Calibrachoa crown?
    A: Funnel-shaped
    B: Tubular
    C: Star-shaped
    D: Cone-shaped
    Correct Answer: A
    Explanation: The crown of Calibrachoa is typically funnel-shaped.
  14. Where in South America is Calibrachoa NOT commonly found?
    A: Southern Brazil
    B: Peru
    C: Chile
    D: Mexico
    Correct Answer: D
    Explanation: Calibrachoa is common from southern Brazil to Peru and Chile, not Mexico.
  15. How are the leaves of Calibrachoa plants described?
    A: Serrated and spiky
    B: Entire and smooth
    C: Fuzzy and large
    D: Lobed and narrow
    Correct Answer: B
    Explanation: The leaves of Calibrachoa are entire (flat-edged) and smooth.
  16. What type of plant is Calibrachoa?
    A: Evergreen short-lived perennials and subshrubs
    B: Deciduous trees
    C: Annual herbs
    D: Xerophytes
    Correct Answer: A
    Explanation: Calibrachoa are evergreen short-lived perennials and subshrubs.
  17. What type of inflorescence does Calibrachoa have?
    A: Panicle
    B: Monochasial
    C: Umbel
    D: Spike
    Correct Answer: B
    Explanation: Calibrachoa inflorescences are monochasial, meaning they have a single axis.
  18. What is the scientific name of the genus to which ‘Superbells Strawberry Punch’ belongs?
    A: Petunia
    B: Calibrachoa
    C: Solanaceae
    D: Asteraceae
    Correct Answer: B
    Explanation: ‘Superbells Strawberry Punch’ belongs to the genus Calibrachoa.
  19. What type of edge do Calibrachoa leaves have?
    A: Toothed
    B: Wavy
    C: Flat or rolled back
    D: Spiny
    Correct Answer: C
    Explanation: The leaves of Calibrachoa have edges that are flat or rolled back.
  20. Which part of the Calibrachoa plant is described as woody?
    A: Flowers
    B: Roots
    C: Shoot axis
    D: Leaves
    Correct Answer: C
    Explanation: Calibrachoa plants have woody shoot axes.
  21. What is the scientific order that includes Calibrachoa?
    A: Lamiales
    B: Solanales
    C: Rosales
    D: Fabales
    Correct Answer: B
    Explanation: Calibrachoa belongs to the order Solanales.
  22. What type of flowers do most Calibrachoa species have?
    A: Bilaterally symmetrical
    B: Radially symmetrical
    C: Irregularly shaped
    D: Bell-shaped
    Correct Answer: A
    Explanation: Most Calibrachoa flowers are bilaterally symmetrical, also known as zygomorphic.
  23. Who classified Calibrachoa as a separate genus?
    A: Botanical researchers
    B: Vicente Cervantes
    C: Carl Linnaeus
    D: Modern taxonomists
    Correct Answer: B
    Explanation: Vicente Cervantes classified Calibrachoa as a separate genus.
  24. How many ribs does the calyx of Calibrachoa usually have?
    A: One to three
    B: Five or ten
    C: Fifteen to twenty
    D: More than twenty
    Correct Answer: B
    Explanation: The calyx of Calibrachoa typically has five or ten ribs.
  25. What is the characteristic of the bud cover in most Calibrachoa species?
    A: Irregularly shaped
    B: Reciprocal
    C: Single-layered
    D: Absent
    Correct Answer: B
    Explanation: The bud cover in most Calibrachoa species is reciprocal.
  26. What is the name of the hybrid genus formed by Calibrachoa and Petunia?
    A: Petabela
    B: Calipet
    C: Petchoa
    D: Solapet
    Correct Answer: C
    Explanation: The hybrid genus formed by crossing Calibrachoa and Petunia is named Petchoa.
  27. What year was the botanist Antonio de la Cal y Bracho active in?
    A: 17th century
    B: 18th century
    C: 19th century
    D: 20th century
    Correct Answer: C
    Explanation: Antonio de la Cal y Bracho was a 19th-century Mexican botanist and pharmacologist.
  28. How do Calibrachoa flowers differ from Petunia flowers genetically?
    A: Number of petals
    B: Chromosomal differences
    C: Flower color
    D: Leaf shape
    Correct Answer: B
    Explanation: Calibrachoa and Petunia flowers have major chromosomal differences.
  29. How are Calibrachoa seeds described?
    A: Smooth and shiny
    B: Covered in tiny hairs
    C: Net-like surface
    D: Surrounded by a fruit layer
    Correct Answer: C
    Explanation: Calibrachoa seeds have a net-like surface.
  30. What shape is the bud of Calibrachoa pygmaea?
    A: Tubular
    B: Oval
    C: Salver-shaped
    D: Star-shaped
    Correct Answer: C
    Explanation: The bud of Calibrachoa pygmaea is salver-shaped.
  31. What kind of bracts do Calibrachoa flowers have?
    A: Colorful and large
    B: Droopy and feathery
    C: Oppositely standing, foliage-like
    D: Absent
    Correct Answer: C
    Explanation: Calibrachoa flowers have oppositely standing, foliage-like bracts.
  32. Which of the following is NOT a feature of Calibrachoa plants?
    A: Woody shoot axis
    B: Large and fragrant flowers
    C: Small shrubs or herbaceous plants
    D: Small petunia-type flowers
    Correct Answer: B
    Explanation: Calibrachoa plants do not have large and fragrant flowers; they have small petunia-type flowers.
  33. What typically happens to Calibrachoa plants in colder climates?
    A: They become evergreen perennials
    B: They die back to the ground
    C: They remain unaffected
    D: They turn into annuals
    Correct Answer: D
    Explanation: In colder climates, Calibrachoa plants typically turn into annuals.
  34. What characteristic of Calibrachoa seeds results from wall structures?
    A: They are edible
    B: They have a net-like surface
    C: They are very large
    D: They can float
    Correct Answer: B
    Explanation: The net-like surface of Calibrachoa seeds results from wall structures perpendicular to the seed surface.
  35. What genus is related to Calibrachoa through hybridization?
    A: Nicotiana
    B: Datura
    C: Petunia
    D: Solanum
    Correct Answer: C
    Explanation: Calibrachoa is related to Petunia through hybridization.
  36. What kind of planting arrangement is popular for Calibrachoa?
    A: Ground cover
    B: Hanging baskets
    C: Indoor pots
    D: Vertical gardens
    Correct Answer: B
    Explanation: Calibrachoa Million Bells are popular in hanging baskets for their trailing growth habit.
  37. What is a clade that Calibrachoa belongs to?
    A: Gymnosperms
    B: Eudicots
    C: Monocots
    D: Non-vascular plants
    Correct Answer: B
    Explanation: Calibrachoa belongs to the clade Eudicots.
  38. What part of Calibrachoa is often found to be reciprocal?
    A: Leaves
    B: Bud cover
    C: Fruits
    D: Flowers
    Correct Answer: B
    Explanation: The bud cover of Calibrachoa is often reciprocal.
  39. What characteristic makes Calibrachoa different from other Solanaceae family members?
    A: It’s aquatic nature
    B: Net-like seed surface
    C: Yellow flowers
    D: Evergreen and short-lived perennial nature
    Correct Answer: B
    Explanation: One distinguishing characteristic of Calibrachoa compared to some other Solanaceae family members is its unique net-like seed surface.
  40. What is a key identifying feature of Calibrachoa seeds?
    A: Very large size
    B: Smooth and slippery surface
    C: Net-like exterior
    D: Brightly colored
    Correct Answer: C
    Explanation: A key identifying feature of Calibrachoa seeds is their net-like exterior.

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