Top 1000+ Solved Horticultural Science MCQ Questions Answer
Q. Rolling the lawn each year may be necessary to
a. Level the lawn
b. Push grass roots into close contact with soil
c. Provide a firm surface for mowing
d. All of the above
Q. The common name for diffenbachia is
a. Umbrella tree
b. Bougainvillea
c. Snake plant
d. Dumb cane
Q. When indoor plants are over watered:
a. They drop their leaves
b. They die
c. Their leaves turn yellow
d. All of the above
Q. The night temperature of indoor plants should be _________ºF cooler than day timetemperature
a. 5-10
b. 3-4
c. 20-30
d. 10-15
Q. Charcoal is used in a terrarium for its
a. Color
b. Drainage material
c. Drainage ability
d. None of the above
Q. The use of high nitrogen fertilizers in terrarium soil results in the release of
a. Moisture
b. Ammonia gas
c. New plants
d. None of the above
Q. Plants tend to grow towards light sources. It is known as
a. Photosynthesis
b. The rain cycle
c. Transpiration
d. Phototropism
Q. Moisture is lost through small openings on the underside of the leaves known as:
a. Air holes
b. Stems
c. Stomata
d. None of the above
Q. The larger, center most of the plants used in bonsai is cut off:
a. To dwarf the plant
b. To cause root branching
c. To make root system shallow
d. To simplify root pruning job
Q. Lower temperature than normal convert male flowers into perfect flowers in ________:
a. Date palm
b. Mango
c. Papaya
d. Citrus
Q. Tomato is a _________ crop.
a. Self pollinated
b. Insect pollinated
c. Oftenly cross pollinated
d. Wind pollinated