Top 1000+ Solved Horticultural Science MCQ Questions Answer
Q. What are two of the most important qualities for selecting arooting media?
a. Hard and free from pests
b. Well drained and low moisture retentive
c. Water holding capacity and Air holding capacity
d. None of these
Q. Which of these four plants which are propagated from herbaceous cuttings.
a. Carnation, Chrysanthemum, Coleus and Geranium.
b. Azalea, Coleus, Geranium and Rose
c. Coleus, Ruscus, Gardenia and holly
d. Tuberose, Syngonium, Hibiscus and Dracenia
Q. Why is it important to select cutting free of berries and flowers?
a. The flowers and berries take up too much space in the propagation bed.
b. Because berries and flowers weigh down the cuttings and may cause them to tip over.
c. The flowers and berries would attract harmful insects to the cuttings.
d. Because they consume much of the food stored and produced by the cutting.
Q. Why is it important to transport cutting from the field to the propagation area in a plastic bag?
a. To keep your hands and clothing clean.
b. To help maintain the moisture level of the cutting stock.
c. Because a paper bag would tear too easily
d. To maintain the integrity of the soil around the roots.
Q. What is the optimum length for most of cuttings?
a. 1 to 3 inches
b. 3 to 6 inches
c. 6 to 8 inches
d. 10 to 12 inches
Q. The bottom leaves from the cutting should be removed before "sticking" the cutting forwhich of the following reasons.
a. The leaves may rot
b. The leaves may become diseased
c. Neither A nor B
d. Both A and B
Q. When taking the cutting from the stock plant, at what angle should the cut be made?
a. 25-degrees
b. 45-degrees
c. 60-degrees
d. 90-degrees
Q. When sticking a hard wood cutting, how many nodes should be under the rootingmedium?
a. At least 1
b. 1 to 3
c. 2 to 4
d. 3 to 5
Q. Why are rooting hormones applied to cuttings?
a. To increase the plant's ability to reproduce.
b. To promote the production of a new root system.
c. To help the cutting resist disease.
d. To promote the production of healthy leaves, flowers and berries.
Q. Why must a hole or furrow be made in the growing media before sticking the cutting?
a. To prevent the rooting hormone from getting knocked off the end of the cutting.
b. To make the process of sticking the cutting easier.
c. To establish the depth to which the cutting should be planted.
d. To maintain good air circulation around the cutting's base.
Q. How far should cuttings be inserted into the rooting media?
a. ½ to 3 inch
b. ¾ to 2 inch
c. 1 to 2 inch
d. 1 ½ to 3 inch
Q. It is important to firm the soil around the base of the cutting due to following reasons:
a. To eliminate air pockets.
b. To make sure the base of the cutting makes good contact with the rooting media.
c. Neither A nor B
d. Both A and B
Q. Why is it important to evenly space the cuttings in the rooting medium?
a. To promote good air circulation.
b. To cut down on the transmission of disease organisms.
c. To make the best use of the propagation space.
d. All of the above.
Q. What portion of the stem of a cutting should be coated with rooting hormone?
a. A portion which includes at least two nodes.
b. The bottom ¼ inch.
c. The portion of the stem that will be under the media.
d. The entire cutting should be covered with hormone.