Top 1000+ Solved Horticultural Science MCQ Questions Answer

From 601 to 615 of 884

Q. when all the parts of the design suggest a single impression it is called

a. Harmony

b. Transition

c. Balance

d. Unity

  • d. Unity

Q. In Punjab pruning of roses is managed during

a. Summer

b. Winter

c. Spring

d. Year around

  • b. Winter

Q. Which of the following roses bear clustered flowers?

a. Hybrid tea

b. Floribunda

c. Miniature

d. All of the above

  • d. All of the above

Q. The new growth of a Dieffenbachia is weak and spindly, with large gaps between theleaves. The problem is probably:

a. Salt damage

b. Nitrogen deficiency

c. Botrytis

d. Lack of light

  • d. Lack of light

Q. Cuttings of potted chrysanthemums are planted at an angle to encourage:

a. Increased branching

b. Larger blooms

c. A more rounded plant

d. Earlier flowering

  • a. Increased branching

Q. The common name for Zebrina pendula is:

a. African Lily

b. Boston ivy

c. Wandering Jew

d. Grape ivy

  • c. Wandering Jew

Q. Which of the following flower types is not suitable for pressing?

a. Daffodil

b. Dusty miller

c. Pansy

d. African violet

  • a. Daffodil

Q. The most important environmental factor regulating flower initiation in bulbous speciesis:

a. Light

b. Temperature

c. Moisture

d. Ventilation

  • b. Temperature

Q. Plant propagation is important because of the reason:

a. Selected plants chosen to maintain their traits

b. Usefulness

c. For specific traits

d. Preserving plant products as a source of food

  • a. Selected plants chosen to maintain their traits

Q. Successful Plant Propagation involves the:

a. Knowledge of technical skills

b. Knowledge of plant biology

c. Knowledge of plant

d. All of these

  • d. All of these

Q. Which type of cutting is taken in the dormant season when tissues are fully maturedand lignified.

a. Softwood

b. Semi-hardwood

c. Hardwood

d. Herbaceous

  • c. Hardwood

Q. Colchicine is chemically:

a. Volatile oil

b. Tannins

c. Protein

d. Alkaloid

  • d. Alkaloid

Q. Quinine alkaloids are present in

a. Nux vomica

b. Cocoa leaves

c. Belladona roots

d. Cinchona bark

  • d. Cinchona bark

Q. This mineral is exposed to high heat and expanded. It is often used as a propagationmedia.

a. Perlite

b. Vermiculite

c. Peat Moss

d. Sand

  • b. Vermiculite
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