All Free Agriculture MCQs with Answers

Every Agriculture question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.

2,315 questions · page 43 of 116

  • 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.

Correct answer: 12-28 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…

Correct answer: 8-30 weeks
  • 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.

Correct answer: Ripening
  • 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.

Correct answer: Above 30ºC
  • A. Flavor
  • B. Texture
  • C. Physiological age
  • D. All the above

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

Correct answer: All the above
  • 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.

Correct answer: All the above
  • 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.

Correct answer: Banana
  • 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…

Correct answer: Chloroplast
  • 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…

Correct answer: Soubulization of pectate of middle lamelle
  • 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.

Correct answer: Peace
  • A. Vitamins
  • B. Proteins
  • C. Lipids
  • D. Carbohydrates

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

Correct answer: Carbohydrates
  • 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…

Correct answer: Day-neutral plant
  • 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.

Correct answer: All the above
  • 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.

Correct answer: Phytophatara cupsa
  • 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.

Correct answer: Root knot
  • 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…

Correct answer: Cole crop
  • 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.

Correct answer: 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.

Correct answer: Swingle
  • 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.

Correct answer: Indehiscent fruit
  • 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.

Correct answer: Nuts