Top 1000+ Solved Horticultural Science MCQ Questions Answer

From 631 to 645 of 884

Q. What is the final step of preparing cuttings?

a. Preparing the rooting medi

b. Selecting quality cutting stock.

c. The application of rooting hormone.

d. Watering-in and placing the cuttings on a mist be

  • d. Watering-in and placing the cuttings on a mist bed.

Q. Why must any left over rooting hormone be discarded after use?

a. To eliminate the possibility of contaminating the entire supply of rooting

b. hormone.

c. To conserve funds used to purchase rooting hormone.

d. To deplete the supply of rooting hormone to help keep the supplier in business.

  • a. To eliminate the possibility of contaminating the entire supply of rooting

Q. Why a propagator trim the leaves of large-leaved cuttings?

a. To eliminate unsightly insect damage.

b. To conserve propagation space.

c. To shape the leaves into topiaries.

d. To achieve a uniform leaf size and shape.

  • b. To conserve propagation space.

Q. What type of cutting does not become woody?

a. Softwood

b. Semi-hardwood

c. Hardwood

d. Herbaceous

  • d. Herbaceous

Q. Sodium hypochlorite is used:

a. To eliminate unsightly insect damage.

b. To conserve moisture.

c. To enhance the rooting.

d. To sterilize cutting tools.

  • d. To sterilize cutting tools.

Q. Secondary dormancy is due to:

a. Immature Embryo

b. Chemical Inhibitors

c. Light Requirement

d. Hardseededness

  • c. Light Requirement

Q. Cutting most oftenly used in fruit plants are:

a. Herbaceous Cutting

b. Leafy cutting

c. Semi hard wood cutting

d. None

  • c. Semi hard wood cutting

Q. Which of the following fertilizer carries 46% nitrogen

a. Urea

b. Ammonium sulphate

c. Potassium nitrate

d. Single super phosphate

  • a. Urea

Q. Red top is the variety of

a. Tomato

b. Potato

c. Apple

d. Guava

  • a. Tomato

Q. Alternate bearing in mangoes is due to

a. Environmental factor

b. Physiological factors

c. Genetic factors

d. All of these

  • d. All of these

Q. Windproof shelterbelts are

a. Very dense

b. Medium dense

c. Porous

d. None of these

  • a. Very dense

Q. Plants control direct sunlight and intercept glare by means of

a. Obstruction

b. Absorption

c. Reflection

d. Radiation

  • a. Obstruction

Q. Roses can successfully be cultivated at a temperature

a. 40°C

b. 21°C

c. 30°C

d. 10°C

  • b. 21°C

Q. Tulip is an example of

a. Rhizome

b. Bulb

c. Tuber

d. Corm

  • b. Bulb

Q. Ground cover includes of plants

a. Annuals

b. Biennial

c. Perennials

d. All of these

  • d. All of these
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