Free Horticulture MCQs with Answers

• A. 10-15 weeks
• B. 10-25 weeks
• C. 12-25 weeksHire Grant Writers
• D. 12-28 weeks

Explanation: Under the stated cold-storage range, fresh onion is commonly assigned a storage life of about 12 to 28 weeks.

• A. 8-30 weeks
• B. 10-20 weeks
• C. 4-10 weeks
• D. 20-25 weeks

Explanation: Fresh apples stored near their recommended low-temperature range may remain marketable for roughly 8 to 30 weeks, depending on cultivar…

• A. Conversion of sugar to starch
• B. Harvesting
• C. Ripening
• D. None of the above

Explanation: Low temperature slows the metabolic and enzymatic changes that produce the climacteric rise in respiration, so ripening is delayed.

• A. Above 10ºC
• B. Above 20ºC
• C. None of the above
• D. Above 30ºC

Explanation: Fruit enzymes generally become less active above about 30°C because excessive heat reduces enzyme stability and may denature proteins.

• A. Flavor
• B. Texture
• C. Physiological age
• D. All the above

Explanation: Fruit eating quality depends on flavour, texture, and physiological maturity or age.

• A. All the above
• B. Oxidative system
• C. Chloroplry lases
• D. pH changes

Explanation: Green colour is lost when chlorophyll is degraded by chlorophyllase, promoted by pH changes and oxidative reactions during ripening.

• A. Grape
• B. Lemon
• C. Banana
• D. Pineapple

Explanation: Banana is climacteric, so it continues to ripen after harvest with a rise in respiration and ethylene production.

• A. Leucoplast
• B. Amyloplast
• C. Phagoplast
• D. Chloroplast

Explanation: Chromoplasts commonly arise through the transformation of chloroplasts as fruits or flowers mature, with chlorophyll being replaced by…

• A. Soubulization of pectate of middle lamelle
• B. Jelly formation at acidic pH
• C. Conversion of starch in sugar
• D. Incorporation of pectate in middle lamella

Explanation: Fruit softening mainly results from enzymatic breakdown and solubilization of pectic substances in the middle lamella, which weakens…

• A. Love
• B. Peace
• C. Friendship
• D. All the aboveSearch Public Records

Explanation: In the traditional language of flowers, jasmine is associated with peace, although meanings can vary between cultures.

• A. Vitamins
• B. Proteins
• C. Lipids
• D. Carbohydrates

Explanation: Banana contains appreciable starch and sugars, making carbohydrates its main energy-providing nutrient.

• A. Day-neutral plant
• B. Long day plant
• C. Short day plant
• D. None of the aboveDownload Nature Guides

Explanation: Tomato flowers and fruit develop without a strict requirement for either long or short days, so tomato is classified as a day-neutral…

• A. Vitamins
• B. All the above
• C. Carbohydrates
• D. Minerals

Explanation: Fruits supply vitamins and minerals and also provide carbohydrates, mainly as natural sugars and sometimes starch.

• A. Rhizocotina solani
• B. Phytopatinara infeston
• C. Phytophuthora spesies
• D. Phytophatara cupsa

Explanation: Chilli collar rot is commonly caused by Phytophthora capsici; option d is a misspelled form of that scientific name.

• A. Banana bunchy top
• B. Finger tip rot
• C. Panama diseases
• D. Root knot

Explanation: Root-knot nematodes, mainly Meloidogyne species, attack banana roots and produce characteristic galls, causing root-knot disease.

• A. Cole crop
• B. Solanaceous vegetables
• C. Floral vegetable
• D. Leafy vegetables

Explanation: Cabbage, cauliflower, broccoli and knol-khol are members of the cole-crop group, mainly cultivated for their leaves, stems or flower…

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

Explanation: Alternate bearing, in which a heavy crop is followed by a light crop, is a classic and serious problem in mango.

• A. Hodgson
• B. Lincous
• C. Swingle
• D. None of the above

Explanation: Swingle’s citrus classification recognised the genera Citrus, Poncirus and Fortunella, with Fortunella being the kumquat group.

• A. Indehiscent fruit
• B. Dehiscent fruit
• C. Sehizo fruit
• D. None of the above

Explanation: An indehiscent fruit retains its pericarp at maturity, so it does not split open to release the seed.

• A. Sub-tropical fruits
• B. Nuts
• C. Berries
• D. None of the above

Explanation: Almonds and pecans are commonly classified as nuts because their edible portions are seeds enclosed in hard coverings.