Introduction to Pomology MCQs (Quiz 15) Posted on July 23, 2026Author agropublishers 0 1. Select correctly matched fruit crop–scientific name pair Oil palm — Borassus flabellifer Cinnamon — Elaeis guineensis Arecanut — Fragaria chiloensis Coconut — Cocos nucifera 2. In table grape production, main purpose of applying gibberellic acid (GA3) shortly after berry set is __________________ To induce uniform leaf fall before harvest To increase berry size and improve cluster looseness To stimulate earlier coloration and ripening To promote berry thinning by causing flower drop 3. In citrus species, seeds are commonly used for ______________________ Raising rootstocks Air layering Micropropagation Commercial fruit production 4. Why are most commercial seedless bananas described as triploid rather than diploid or tetraploid? They have only one set of chromosomes, so they skip meiosis entirely They have two sets of chromosomes, allowing perfect pairing in meiosis They have four sets of chromosomes, which always pair correctly in meiosis They have three sets of chromosomes, disrupting normal pairing in meiosis 5. The greatest disadvantage of seed propagation in perennial fruit crops is _________________________ Genetic variability and prolonged juvenile phase Low germination Poor root development Poor nutrient uptake 6. Select correctly matched fruit crop–botanical family pair Banana— Rutaceae Cashew — Myrtaceae Guava — Anacardiaceae Litchi — Sapindaceae 7. The greatest advantage of vegetative propagation is that it produces ______________________________ Polyploid plants Disease-resistant plants True-to-type plants Hybrid seedlings 8. Select correctly matched fruit crop–botanical family pair Gooseberry — Ericaceae Cranberry — Ericaceae Blueberry — Rosaceae Lingonberry — Rosaceae 9. Naphthalene acetic acid (NAA) belongs to which class of plant growth regulators? Growth retardants Synthetic Gibberellins Synthetic auxins Synthetic Cytokinins 10. Biosynthesis of hormone ______________ is inhibited by paclobutrazol Gibberellin Ethylene Auxin Cytokinin Loading … Question 1 of 10
