- 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - Which subfamily does Calibrachoa belong to?
A: Rosacetoideae
B: Petunioideae
C: Solaoideae
D: Fabaoideae
Correct Answer: B
Explanation: Calibrachoa belongs to the Petunioideae subfamily. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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.
- 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. - 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. - 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. - Calibrachoa belongs to which order?
A: Rosales
B: Solanales
C: Lamiales
D: Fabales
Correct Answer: B
Explanation: Calibrachoa belongs to the order Solanales. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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. - 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.