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. Drupe
B. Pome
C. Berry
D. Capsule

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

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

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

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

4 Why are pollinizer cultivars commonly planted in apple orchards?

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

5 What is the botanical fruit type of pear?

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

6 What is the scientific name of the European pear?

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

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

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

8 What type of fruit is peach?

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

9 Which training system is commonly recommended for peach trees?

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

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

Peach Easy
A. Two-year-old roots
B. Current-season flowers
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. Runner
B. Sucker
C. Corm
D. Bulb

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. Achenes
B. Arils
C. Scales
D. Stones

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

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

15 Which part of the almond fruit is normally eaten?

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

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

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

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

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

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

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

19 Which part of the walnut is eaten?

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

20 Why are selected walnut cultivars commonly propagated by grafting?

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

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

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

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

Apple Medium
A. Apply iron sprays and reduce fruit thinning
B. Apply sulfur sprays and delay fruit harvest
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. Increase nitrogen fertilization shortly before full bloom
B. Introduce compatible pollinizers and maintain bee colonies
C. Apply growth retardants immediately after petal fall
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 overripe fruits and dry them before marketing
B. Harvest fully soft fruits and cool them after packing
C. Harvest mature-green fruits and ripen them after storage
D. Harvest immature fruits before their seeds begin developing

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

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. Use overhead irrigation to wash affected blossoms
B. Retain infected shoots until normal winter pruning
C. Apply extra nitrogen to stimulate shoot replacement
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. Thin mature fruits shortly before harvest
B. Thin young fruits before pit hardening
C. Retain clustered fruits until natural fruit drop
D. Remove flowers after the fruits begin coloring

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

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

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 evening sprinklers, retain debris, and increase plant density
B. Use frequent flooding, dense mulch, and retain damaged fruit
C. Use heavy nitrogen, close ventilation, and delay fruit picking
D. Use drip irrigation, improve aeration, and remove infected 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. Remove bee colonies and depend mainly on wind pollination
C. Add compatible cultivars with overlapping bloom and bees
D. Add the same cultivar in alternate rows with windbreaks

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

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. Flood the orchard, retain hulls, and store immediately
C. Delay harvest, soften shells, and dry under plastic
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. Plant pollinizers whose pollen shed overlaps female receptivity
B. Rely on honeybees to store pollen until flowers open
C. Plant only the same cultivar at a closer tree spacing
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. Apply nitrogen fertilizer after lesions become clearly visible
B. Delay all disease management until after hull dehiscence
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. Leave nuts until kernels begin germinating in the hull
B. Soak harvested nuts before placing them in sealed bags
C. Harvest, remove hulls promptly, and dry the nuts
D. Store freshly hulled nuts without reducing moisture

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

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

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. Apply potassium sprays and delay fruit thinning
C. Increase nitrogen and harvest at advanced maturity
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. Thin fruit immediately before the commercial harvest date
D. Prune bearing shoots after terminal buds become dormant

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

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 mature-green fruit and complete ripening after harvest
C. Harvest after natural drop and immediately apply ethylene
D. Harvest immature fruit before starch conversion has begun

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. Retain infected shoots and increase overhead irrigation frequency
C. Apply extra nitrogen and postpone sanitation until leaf fall
D. Remove infected wood in dry weather and restrict excess nitrogen

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. Confine pruning to shortening fruiting spurs older than five years
B. Remove most current shoots and preserve shaded interior wood
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. Quince A clonal rootstock
B. M.9 dwarf apple rootstock
C. Fragaria seedling 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. Delay irrigation until visible pit splitting has begun
B. Impose stronger drought before the pit-hardening stage
C. Avoid excessively early thinning and stabilize soil moisture
D. Increase nitrogen and intensify early fruit thinning

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

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. 66,667 plants
B. 41,667 plants
C. 27,778 plants
D. 55,556 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. Flowering failure proves that the plants are June-bearing types
B. Day neutrality does not eliminate temperature inhibition of flowering
C. Day-neutral cultivars require long days at every temperature
D. High temperature converts the cultivar permanently to short-day behavior

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 semicompatible because pollen carrying is rejected
B. They are fully compatible because their genotypes are not identical
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. Increase nitrogen and maintain saturated soil during hull split
C. Moderate nitrogen and reduce irrigation around hull split
D. Delay harvest while applying frequent overhead irrigation

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 11–17 April
B. A cultivar shedding pollen from 25–30 April
C. A cultivar shedding pollen from 18–24 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. Warm the graft union locally while keeping the scion cooler
C. Expose the union to drying winds until bud break begins
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. Later cropping permits indefinite growth without pruning
B. Earlier cropping requires stronger canopy and crop-load control
C. Terminal-only fruiting requires removal of all lateral shoots
D. Reduced productivity permits closer spacing without light management

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