Unit 4: Production Technology of Temperate and Nut Crops - Practice Quiz

HRT208 — Production Technology Of Fruit And Plantation Crops 60 Questions
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1 What type of fruit is an apple botanically classified as?

Apple Easy
A. Capsule
B. Berry
C. Pome
D. Drupe

2 Which propagation method is commonly used to produce commercial apple plants?

Apple Easy
A. Seed sowing
B. Grafting
C. Runner planting
D. Leaf cutting

3 Which training system is commonly used for standard apple trees?

Apple Easy
A. Open center
B. Central leader
C. Kniffin system
D. Bower system

4 Why are pollinizer cultivars commonly planted in apple orchards?

Apple Easy
A. To improve cross-pollination
B. To prevent fruit cracking
C. To control root growth
D. To reduce soil acidity

5 What is the botanical fruit type of pear?

Pear Easy
A. Legume
B. Nut
C. Drupe
D. Pome

6 What is the scientific name of the European pear?

Pear Easy
A. Malus domestica
B. Pyrus communis
C. Juglans regia
D. Prunus persica

7 Which method is commonly used for the commercial propagation of pear?

Pear Easy
A. Tuber division
B. Leaf cutting
C. Budding
D. Runner formation

8 What type of fruit is peach?

Peach Easy
A. Capsule
B. Pome
C. Drupe
D. Berry

9 Which training system is commonly recommended for peach trees?

Peach Easy
A. Telephone system
B. Open center
C. Bower system
D. Central leader

10 Peach trees mainly bear fruit on which type of growth?

Peach Easy
A. Current-season flowers
B. Two-year-old roots
C. One-year-old shoots
D. Three-year-old trunks

11 Which structure is commonly used for the vegetative propagation of strawberry?

Strawberry Easy
A. Corm
B. Sucker
C. Bulb
D. Runner

12 How is the strawberry fruit botanically classified?

Strawberry Easy
A. Simple pome fruit
B. Aggregate accessory fruit
C. Single drupe fruit
D. Dry capsule fruit

13 What are the small seed-like structures visible on the surface of a strawberry called?

Strawberry Easy
A. Scales
B. Arils
C. Achenes
D. Stones

14 Which part of a strawberry plant gives rise to leaves, roots, and flower clusters?

Strawberry Easy
A. Taproot
B. Rhizome
C. Tendril
D. Crown

15 Which part of the almond fruit is normally eaten?

Almond Easy
A. Shell
B. Stalk
C. Kernel
D. Hull

16 Which method is commonly used for the commercial propagation of almond?

Almond Easy
A. Runner planting
B. Corm division
C. Leaf layering
D. Budding

17 Why are compatible pollinizer cultivars often planted in almond orchards?

Almond Easy
A. To prevent shell splitting
B. To ensure cross-pollination
C. To increase soil moisture
D. To reduce tree height

18 What is the scientific name of the English or Persian walnut?

Walnut Easy
A. Prunus dulcis
B. Fragaria ananassa
C. Pyrus communis
D. Juglans regia

19 Which part of the walnut is eaten?

Walnut Easy
A. Shell
B. Husk
C. Pedicel
D. Kernel

20 Why are selected walnut cultivars commonly propagated by grafting?

Walnut Easy
A. To preserve cultivar traits
B. To increase seed variation
C. To produce new hybrids
D. To eliminate all pruning

21 An apple orchard established on M.9 rootstock shows tree leaning and rapid moisture stress during dry periods. Which management practice best addresses both problems?

Apple Medium
A. Apply heavy nitrogen and remove all support stakes
B. Allow wider canopies and discontinue soil mulching
C. Use deep cultivation and infrequent flood irrigation
D. Provide permanent support and frequent regulated irrigation

22 An apple block had a very heavy fruit set last season, followed by poor flowering this season. Which practice would most directly reduce recurrence of this problem?

Apple Medium
A. Thin fruit early during the heavy crop year
B. Delay pruning until the fruit harvest period
C. Withhold irrigation during flower-bud formation
D. Increase nitrogen during the light crop year

23 Apple fruits develop small, sunken, corky spots near the calyx end during storage. Which orchard adjustment is most appropriate?

Apple Medium
A. Apply sulfur sprays and delay fruit harvest
B. Apply iron sprays and reduce fruit thinning
C. Apply calcium sprays and avoid excessive nitrogen
D. Apply boron sprays and increase nitrogen supply

24 A large orchard is planted entirely with a self-unfruitful apple cultivar. Flowering is abundant, but fruit set is consistently low. What is the best corrective measure?

Apple Medium
A. Apply growth retardants immediately after petal fall
B. Introduce compatible pollinizers and maintain bee colonies
C. Increase nitrogen fertilization shortly before full bloom
D. Prune all trees heavily during the flowering period

25 European pears become mealy and develop internal breakdown when allowed to soften fully on the tree. Which harvest strategy is most suitable?

Pear Medium
A. Harvest fully soft fruits and cool them after packing
B. Harvest mature-green fruits and ripen them after storage
C. Harvest immature fruits before their seeds begin developing
D. Harvest overripe fruits and dry them before marketing

26 A desirable pear cultivar is incompatible with quince rootstock, but the grower still wants the dwarfing effect of quince. What should be done?

Pear Medium
A. Increase the grafting height above the canopy
B. Plant the scion directly below the quince roots
C. Remove the rootstock shoots after every harvest
D. Insert a compatible pear interstem between them

27 Pear shoots show blackened blossoms and characteristic shepherd's-crook tips after warm, wet weather. Which action best limits further spread?

Pear Medium
A. Retain infected shoots until normal winter pruning
B. Apply extra nitrogen to stimulate shoot replacement
C. Use overhead irrigation to wash affected blossoms
D. Prune below infected tissue during dry weather

28 A peach orchard has dense canopies and little new shoot growth, causing fruiting to shift toward the outside of the trees. Which pruning approach is most suitable?

Peach Medium
A. Remove only current-season shoots after fruit set
B. Avoid pruning so older branches retain their spurs
C. Head every branch severely during active flowering
D. Use annual pruning to renew one-year-old shoots

29 A peach tree has set too many fruitlets, and the grower wants to improve fruit size without wasting excessive assimilates. What should be done?

Peach Medium
A. Retain clustered fruits until natural fruit drop
B. Remove flowers after the fruits begin coloring
C. Thin young fruits before pit hardening
D. Thin mature fruits shortly before harvest

30 Peach trees in a mild-winter location show delayed leafing, irregular flowering, and poor fruit set. Which long-term decision is most appropriate?

Peach Medium
A. Delay irrigation until all buds have opened naturally
B. Replace them with cultivars having higher chilling needs
C. Replace them with cultivars having lower chilling needs
D. Increase summer pruning to prolong winter dormancy

31 Recently planted strawberry plants show crown rotting because the growing point was covered with soil. What is the correct planting depth?

Strawberry Medium
A. Keep the midpoint of the crown at soil level
B. Cover the crown completely with surface mulch
C. Place the entire crown several centimeters underground
D. Keep all roots and the crown above soil level

32 In an annual plasticulture strawberry system intended mainly for fruit production, numerous runners are forming. How should they be managed?

Strawberry Medium
A. Bury runners beneath mulch to strengthen the crown
B. Retain runners until they begin producing flowers
C. Root all runners to create a dense matted row
D. Remove runners to direct resources toward fruiting

33 Strawberry fruits develop soft brown lesions covered by gray fungal growth during cool, humid weather. Which management combination is most effective?

Strawberry Medium
A. Use drip irrigation, improve aeration, and remove infected fruit
B. Use heavy nitrogen, close ventilation, and delay fruit picking
C. Use evening sprinklers, retain debris, and increase plant density
D. Use frequent flooding, dense mulch, and retain damaged fruit

34 A strawberry field contains 10,000 plants. Each plant produces an average of kg of fruit, of which is marketable. What is the expected marketable yield?

Strawberry Medium
A. kg
B. kg
C. kg
D. kg

35 A self-incompatible almond cultivar flowers profusely but sets few nuts in a single-cultivar block. Which orchard modification is most appropriate?

Almond Medium
A. Apply additional nitrogen while flowers remain unopened
B. Add compatible cultivars with overlapping bloom and bees
C. Add the same cultivar in alternate rows with windbreaks
D. Remove bee colonies and depend mainly on wind pollination

36 A grower is selecting a site and cultivar for almond production in an area with frequent late spring frosts. Which combination offers the best risk reduction?

Almond Medium
A. A late-blooming cultivar on a waterlogged depression
B. A late-blooming cultivar on a site with good air drainage
C. An early-blooming cultivar beside a dense frost barrier
D. An early-blooming cultivar on a low, enclosed valley floor

37 Most almond hulls have split and the nuts have reached harvest maturity. Which postharvest sequence best protects kernel quality?

Almond Medium
A. Shake the trees, remove hulls, and dry promptly
B. Delay harvest, soften shells, and dry under plastic
C. Flood the orchard, retain hulls, and store immediately
D. Pick unopened nuts, wash kernels, and seal them wet

38 A walnut cultivar releases most of its pollen before its female flowers become receptive. How should this pollination problem be managed?

Walnut Medium
A. Rely on honeybees to store pollen until flowers open
B. Plant only the same cultivar at a closer tree spacing
C. Plant pollinizers whose pollen shed overlaps female receptivity
D. Remove male flowers to delay the female flowering period

39 Walnut blight has repeatedly caused dark lesions on young nuts during wet springs. Which preventive program is most appropriate?

Walnut Medium
A. Delay all disease management until after hull dehiscence
B. Apply nitrogen fertilizer after lesions become clearly visible
C. Use overhead irrigation to remove bacteria from young nuts
D. Apply a labeled copper protectant before wet infection periods

40 Walnuts have reached physiological maturity, indicated by browning of the packing tissue around the kernel. What should the grower do next?

Walnut Medium
A. Harvest, remove hulls promptly, and dry the nuts
B. Leave nuts until kernels begin germinating in the hull
C. Store freshly hulled nuts without reducing moisture
D. Soak harvested nuts before placing them in sealed bags

41 An orchard contains alternate rows of triploid 'Jonagold' and diploid 'Gala', whose flowering periods overlap. Fruit set of 'Gala' remains poor despite abundant bees. Which modification most directly addresses the underlying problem?

Apple Hard
A. Graft additional 'Jonagold' branches onto 'Gala'
B. Add a compatible diploid pollenizer with overlapping bloom
C. Delay bee introduction until full petal fall
D. Increase the proportion of triploid 'Jonagold' trees

42 Apple trees on MM.106 grow normally for several years but then show reddish-brown necrosis at the crown, reduced shoot growth, and sudden collapse following seasons of poor drainage. Which interpretation is most appropriate?

Apple Hard
A. MM.106 is vulnerable to Phytophthora collar rot
B. MM.106 is highly susceptible to crown gall alone
C. MM.106 induces severe iron chlorosis in wet soil
D. MM.106 causes graft incompatibility after bearing

43 A lightly cropped apple block produces unusually large fruit that develop sunken corky lesions near the calyx during storage. Leaf analysis shows high nitrogen, while fruit calcium is low. Which management program is most suitable?

Apple Hard
A. Apply calcium sprays and moderate nitrogen-driven vigor
B. Increase nitrogen and harvest at advanced maturity
C. Apply potassium sprays and delay fruit thinning
D. Reduce calcium and maintain a lighter crop load

44 A strongly biennial apple cultivar has an excessive crop in the current season. Which intervention is most likely to improve both marketable fruit size and return bloom in the following season?

Apple Hard
A. Apply additional nitrogen during late fruit maturation
B. Thin fruit during the early post-bloom cell-division stage
C. Prune bearing shoots after terminal buds become dormant
D. Thin fruit immediately before the commercial harvest date

45 A commercially valuable European pear cultivar is incompatible with quince rootstock, but a dwarf tree is required. Which nursery strategy best preserves the dwarfing effect while overcoming incompatibility?

Pear Hard
A. Insert a vigorous seedling rootstock above the quince
B. Graft the cultivar directly and deepen the planting
C. Use the cultivar itself as a rooted interstock
D. Insert a quince-compatible pear interstem at the union

46 A grower harvests European pears only after they become soft on the tree, resulting in internal breakdown and poor storage quality. Which replacement practice is physiologically appropriate?

Pear Hard
A. Leave fruit until full softening and then cool rapidly
B. Harvest immature fruit before starch conversion has begun
C. Harvest after natural drop and immediately apply ethylene
D. Harvest mature-green fruit and complete ripening after harvest

47 Following warm, wet weather at bloom, pear shoots develop blackened shepherd's-crook tips and bacterial ooze. Which integrated response is most appropriate?

Pear Hard
A. Prune only during rain and stimulate rapid succulent regrowth
B. Remove infected wood in dry weather and restrict excess nitrogen
C. Retain infected shoots and increase overhead irrigation frequency
D. Apply extra nitrogen and postpone sanitation until leaf fall

48 An unpruned peach tree develops a dense canopy, declining fruit size, and long sections of old wood with little cropping. Which pruning principle directly follows from the bearing habit of peach?

Peach Hard
A. Remove most current shoots and preserve shaded interior wood
B. Confine pruning to shortening fruiting spurs older than five years
C. Renew one-year-old fruiting shoots while opening the canopy
D. Retain old scaffold wood because it bears the main crop

49 A peach orchard is planned on a drought-prone, calcareous soil with no history of waterlogging or root-knot nematodes. Which rootstock is generally the best fit?

Peach Hard
A. Fragaria seedling rootstock
B. M.9 dwarf apple rootstock
C. Quince A clonal rootstock
D. GF 677 peach–almond hybrid

50 An early peach cultivar repeatedly develops split pits in oversized fruit. Records show severe thinning immediately after fruit set, high nitrogen, and alternating drought and heavy irrigation before pit hardening. Which adjustment is most defensible?

Peach Hard
A. Impose stronger drought before the pit-hardening stage
B. Increase nitrogen and intensify early fruit thinning
C. Delay irrigation until visible pit splitting has begun
D. Avoid excessively early thinning and stabilize soil moisture

51 After frost during bloom, strawberries develop misshapen receptacles with normal growth on only one side. What mechanism most directly explains this pattern?

Strawberry Hard
A. Damaged achenes fail to supply local growth-promoting auxin
B. Injured stamens suppress uniform coloration of the receptacle
C. Damaged petals produce excess ethylene throughout the receptacle
D. Frozen sepals redirect carbohydrates toward the fruit apex

52 A one-hectare strawberry field is planted on beds spaced 1.2 m center-to-center, with two rows per bed and 0.30 m between plants within each row. Ignoring headlands and vacant spaces, approximately how many plants are required?

Strawberry Hard
A. 27,778 plants
B. 41,667 plants
C. 55,556 plants
D. 66,667 plants

53 A day-neutral strawberry cultivar flowers continuously during cool months but nearly stops flowering when mean temperatures become very high, even though day length remains suitable. Which conclusion is correct?

Strawberry Hard
A. High temperature converts the cultivar permanently to short-day behavior
B. Day-neutral cultivars require long days at every temperature
C. Day neutrality does not eliminate temperature inhibition of flowering
D. Flowering failure proves that the plants are June-bearing types

54 Two self-incompatible almond cultivars have genotypes and and flower simultaneously. Under gametophytic self-incompatibility, how should their reciprocal compatibility be described?

Almond Hard
A. They are fully compatible because their genotypes are not identical
B. They are semicompatible because pollen carrying is rejected
C. They are completely incompatible because one allele is shared
D. They are self-compatible because each cultivar has two alleles

55 An almond orchard with excessive late nitrogen and irrigation develops extensive shoot dieback associated with infected hulls shortly after hull split. Which preventive change best targets this disease cycle?

Almond Hard
A. Remove pollinizers and increase canopy humidity at maturity
B. Delay harvest while applying frequent overhead irrigation
C. Moderate nitrogen and reduce irrigation around hull split
D. Increase nitrogen and maintain saturated soil during hull split

56 A mature almond orchard is subjected to severe annual heading cuts, after which vegetative growth increases but yields decline. Which change better matches almond's bearing habit?

Almond Hard
A. Head every scaffold severely to stimulate water sprouts
B. Eliminate short spurs and retain only vigorous terminals
C. Remove all shoots older than one year each winter
D. Use light selective renewal while retaining productive spurs

57 A protogynous walnut cultivar has receptive pistillate flowers from 10–16 April but sheds pollen from 18–23 April. Which candidate is the most effective pollenizer based solely on phenology?

Walnut Hard
A. A cultivar shedding pollen from 25–30 April
B. A cultivar shedding pollen from 18–24 April
C. A cultivar shedding pollen from 11–17 April
D. A cultivar shedding pollen from 1–7 April

58 Bench-grafted walnut plants show poor union formation because the nursery remains cool after grafting. Which modification most directly improves graft success without forcing premature scion growth?

Walnut Hard
A. Cool the graft union while warming the terminal buds
B. Expose the union to drying winds until bud break begins
C. Warm the graft union locally while keeping the scion cooler
D. Submerge the entire graft in cold water during callusing

59 A grower replaces terminal-bearing walnut cultivars with precocious lateral-bearing cultivars in a high-density system. Which management consequence is most likely?

Walnut Hard
A. Earlier cropping requires stronger canopy and crop-load control
B. Reduced productivity permits closer spacing without light management
C. Later cropping permits indefinite growth without pruning
D. Terminal-only fruiting requires removal of all lateral shoots

60 Walnuts have reached the packing-tissue-brown stage, but harvest is delayed for several weeks to obtain maximum natural hull separation. Kernel color and quality subsequently deteriorate. Which practice would better preserve quality?

Walnut Hard
A. Store unhusked nuts in piles until kernels become fully dry
B. Maintain wet hulls after shaking to prevent kernel moisture loss
C. Wait for prolonged field drying before removing the hulls
D. Harvest promptly at maturity, then hull and dry rapidly