Deck 21: Horticulture and Gardening

Question 1

Hard, thorny structures which protect the buds of woody plants during winter, are termed as:

A)Nodes
B)Scales
C)Bracts
D)None of all

Answer 1

Scales

Question 2

A common example of incomplete flower is:

A)Apetalous flower
B)Staminate flower
C)Pistillate flower
D)All of the above

Answer 2

All of the above

Question 3

To preserve the germination ability of most seeds, store them in a:

A)Warm, dry environment
B)Cool, dry environment
C)Cool environment after scarification
D)Warm, moist environment after stratification

Answer 3

Cool, dry environment

Question 4

The soil pH level primarily controls:

A)Soil temperature
B)Activity of soil-borne diseases
C)Moisture absorption by roots
D)Availability of essential plant nutrients

Question 5

Which of the following is a shade-loving flower?

A)Marigold
B)Snapdragon
C)Chrysanthemum
D)Impatiens

Question 6

Plants which flower on the previous season growth:

A)Should be pruned after flowering.
B)Does not need to be pruned
C)Should be pruned in the dormant stage.
D)Should be cut back heavily in late summer.

Question 7

The most common summer cooling system in greenhouses is:

A)Package evaporative coolers
B)Fan-tube cooling system
C)Fog evaporative cooling
D)Fan-and-pad evaporative cooling

Question 8

All of the following are bulbous and tuberous-rooted plants except:

A)Dahlias
B)Dutch iris
C)Caladiums
D)Snapdragons

Question 9

involves incorporating water soluble fertilizer into the irrigation systems of greenhouse and nursery crops.

A)Broadcasting
B)Fertilization
C)Fertigation
D)Perforation

Question 10

Which of the tree bears red colour flowers?

A)Erythrena subrosa
B)Albizia lebbek
C)Sapium sebiferum
D)Thuja orientalus

Question 11

Lack of early spring flowering from tulip bulbs planted outdoors is due to:

A)Bright sunlight
B)Lack of winter cooling
C)Excessive moisture
D)Magnesium and calcium deficiencies

Question 12

A leaf with parallel venation:

A)Has leaflets
B)Is a monocot
C)Has crossing veins
D)Is a compound leaf

Question 13

When making hand-tied bouquets, the stems should be positioned:

A)Parallel to each other
B)Perpendicular to each other
C)Any way that looks nice and holds together
D)In a spiraling manner

Question 14

Which of the following is not a method for sterilizing plant growing medium?

A)Steaming
B)Baking
C)Using chemical fumigants
D)Keeping the growing medium moist for 6 to 7 days

Question 15

Which of the following is not among the major principles of design?

A)Balance
B)Scale
C)Emphasis
D)Price

Question 16

The showy red, pink, or white portion of the poinsettia are:

A)Flowers
B)Bracts
C)Petals
D)Sepals

Question 17

A technique to produce well branched, compact plants with many flowers is:

A)Stunting
B)Compacting
C)Pinching
D)Potting

Question 18

Which of the following is a member of the Dianthus family?

A)Chrysanthemum
B)Phlox
C)Sedum
D)Carnation

Question 19

Which of the shrub bears red colour flowers

A)Atriplex halimus
B)Tecoma stans
C)Jatropha metrifeda
D)Jasminum sambac

Question 20

The acceleration of flowering by manipulating environmental conditions is known as:

A)Pulsing
B)Forcing
C)Leaching
D)After-ripening

Question 21

Which shrub has white colour flowers with fragrance

A)Tabernaemontana divertice
B)Hibiscus rosa chinensis
C)Thevetia merifolia
D)Jasminum sambac

Question 22

Peat is often mixed into the growing medium of container plants because it:

A)Is inexpensive
B)Has good air and water holding capacities
C)Has a high pH
D)Absorbs excessive soluble salts

Question 23

The two most practical means of the home owner to control insects and diseases are:

A)Mechanical and chemical
B)Mechanical and biological
C)Chemical and biological
D)Biological and natural

Question 24

In temperate climates, pruning should not be done near the end of the summer because:

A)New growth will not harden before winter
B)It may increase foliage disease
C)Plants will not recover in time to produce new growth before winter
D)Sever "bleeding" from the cuts will kill the plant

Question 25

A plant hardy in tropical zone will also be hardy in zone:

A)Temperate
B)Subtropical
C)Arid
D)Semi-arid