Top 1000+ Solved Horticultural Science MCQ Questions Answer
Q. Growing medium kept too wet will deprive the plant:
a. Soluble salts
b. Water
c. Oxygen
d. Fertilizer
Q. The interrelationship of size with floral arrangement to its surroundings is:
a. Harmony
b. Rhythm
c. Scale
d. Balance
Q. Hard, thorny structures which protect the buds of woody plants during winter, aretermed as:
a. Nodes
b. Scales
c. Bracts
d. None of all
Q. A common example of incomplete flower is:
a. Apetalous flower
b. Staminate flower
c. Pistillate flower
d. All of the above
Q. 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
Q. 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
Q. Which of the following is a shade-loving flower?
a. Marigold
b. Snapdragon
c. Chrysanthemum
d. Impatiens
Q. 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.
Q. 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
Q. All of the following are bulbous and tuberous-rooted plants except:
a. Dahlias
b. Dutch iris
c. Caladiums
d. Snapdragons
Q. involves incorporating water soluble fertilizer into the irrigationsystems of greenhouse and nursery crops.
a. Broadcasting
b. Fertilization
c. Fertigation
d. Perforation
Q. Which of the tree bears red colour flowers?
a. Erythrena subrosa
b. Albizia lebbek
c. Sapium sebiferum
d. Thuja orientalus