Free Horticulture MCQs with Answers

• A. Shield budding
• B. CuttingExplore Farming Tools
• C. T-budding
• D. Grafting

Explanation: Mango is commonly propagated commercially by grafting, especially veneer or approach grafting, because grafts retain the desirable traits…

• A. Vitamin A
• B. All the above
• C. Vitamin C
• D. Vitamin B

Explanation: Tomato supplies vitamin C and also contributes provitamin A carotenoids and some B-group vitamins, so standard horticulture references…

• A. Leafy vegetables
• B. Bulb crop
• C. Cole crop
• D. Solanaceous

Explanation: Cabbage and cauliflower are cole crops, a group of cool-season vegetables belonging mainly to the cabbage species Brassica oleracea.

• A. Pomaceae
• B. Anacardiaceae
• C. Rutaceae
• D. Palmeae

Explanation: Phoenix dactylifera, the date palm, belongs to the palm family, traditionally called Palmae or Palmeae and now commonly called Arecaceae.

• A. Square system
• B. Quincunx system
• C. Contour system
• D. Hexagonal system

Explanation: Mango orchards are commonly established using the square system because it is simple to lay out and permits cultivation in both directions…

• A. Guava
• B. Mango
• C. Citrus
• D. Date

Explanation: Granulation is a physiological disorder mainly associated with citrus fruits, particularly in older or overmature fruits, where juice sacs…

• A. 4-5 weeks
• B. 6 weeks
• C. 7 weeks
• D. None of the above

Explanation: Under suitable cool, humid storage conditions, lemons can generally be stored for about six weeks, although exact life varies with…

• A. Controlled atmosphere
• B. Oxidation
• C. Humidity control
• D. Refrigeration

Explanation: A controlled atmosphere deliberately lowers oxygen and raises carbon dioxide, commonly to slow respiration and extend the storage life of…

• A. Thinning out
• B. Heading back
• C. Pruning
• D. Training

Explanation: Heading back means cutting off a terminal portion of a shoot, which stimulates lateral growth below the cut.

• A. Training
• B. Thinning
• C. None of the above
• D. Pruning

Explanation: Pruning manages the plant framework and regulates the production and renewal of fruiting wood.

• A. Contour system
• B. Hexagonal system
• C. Triangular system
• D. Rectangular system

Explanation: The contour system follows the natural contour lines of sloping or uneven land, reducing layout problems and erosion.

• A. Triangular system
• B. Square system
• C. Rectangular system
• D. Quincunx system

Explanation: The square system is the most common orchard layout on level land because trees receive nearly uniform spacing and cultivation can be…

• A. 3.0m
• B. 3.5m
• C. 2.5m
• D. 2.0m

Explanation: Falsa is commonly planted at about 2.5 m spacing, allowing enough room for its bushy growth while maintaining efficient use of orchard…

• A. Soft wood cutting
• B. Hard wood cutting
• C. Semi soft wood cutting
• D. Semi hard wood cutting

Explanation: Softwood cuttings are taken from young, flexible shoots and are widely used for propagating many shrubs and flowering ornamentals.

• A. Tongue grafting
• B. Bark grafting
• C. Splice grafting
• D. Bridge grafting

Explanation: In bark grafting, several wedge-shaped scions are inserted between the bark and wood of the stock.

• A. Almond
• B. Both a & b
• C. Apple
• D. None of the aboveHorticulture

Explanation: Cleft grafting is widely used for propagating or top-working apple trees because the scion and stock unite readily during active growth.

• A. Rectangular system
• B. Quineunx system
• C. Square system
• D. None of the above

Explanation: The square system is commonly used in citrus orchards because it gives equal spacing in both directions and allows convenient…

• A. Seeds
• B. Cutting
• C. Buds
• D. None of the above

Explanation: Citrus rootstocks are generally raised from seeds because seedling stocks develop strong, vigorous root systems and are suitable for…

• A. 5-6
• B. 5.5-8.5
• C. 5.5-7.5
• D. None of the above

Explanation: Citrus tolerates a relatively broad soil-pH range, approximately 5.5 to 8.5, although slightly acidic to neutral soil is usually best for…

• A. Scion
• B. Root stock
• C. Both a & b

Explanation: The scion forms the upper part of a grafted plant, including the shoots, leaves, flowers, and fruit-bearing surface.