Horticulture Previous Question Papers
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Previous Question Papers on Horticulture
1. California Wonder is a cultivar of
(a) Chilli
(b) Brinjal
(c) Tomato
(d) Capsicum
2. The most common mode of propagation in colocasia is through
(a) Tissue culture
(b) Corms
(c) Cormels
(d) Stem cutting
3. Tropical type of carrots is also known as
(a) European
(b) Asiatic
(c) Japanese
(d) None of these
4. Whiptail of cauliflower is due to deficiency of
(a) Water
(b) Molybdenum
(c) Boron
(d) Manganese
5. The pungency of chilli is due to
(a) Oleoresin
(b) Capsicin
(c) Capsixanthin
(d) Carotene
6. The characteristic odour of Garlic is due to
(a) Allyl propyl disulfide
(b) Diallyl disulfide
(c) Allin
(d) None of these
7. The lycopene pigment production in tomato fruits drops off rapidly at a temperature
(a) below 18ºC
(b) between 20 to 24ºC
(c) between 25 to 30ºC
(d) above 27ºC
8. ‘Cole slaw’ and ‘Sauerkraut’ are produced from
(a) Cauliflower
(b) Cabbage
(c) Broccoli
(d) Radish
9. Brown Heart is a common physiological disorder in
(a) Cucumber
(b) Pointed gourd
(c) Radish
(d) Water melon
10. Golden Acre and Pride of India are cultivars of
(a) Cabbage
(b) Cauliflower
(c) Knolkhol
(d) Broccoli
11. Vine cutting and root suckers are propagating materials in which of the following crops?
(a) Water melon
(b) Pointed Gourd
(c) Spinach
(d) Ridge Gourd
12. Half slip and full slip are maturity indices in which of the following vegetables?
(a) Water melon
(b) Musk melon
(c) Round melon
(d) None of these
13. Winged bean is
(a) Vicia faba
(b) Phaseolus lunatus
(c) Cyamopsis tetragonoloba
(d) Psophocarpus tetragonolobus
14. Sweet potato is commonly propagated by
(a) Tuber
(b) Vine cutting
(c) Root
(d) None of these
15. Proper seed germination of bitter gourd will take place at a temperature
(a) below 8ºC
(b) between 10º and 20ºC
(c) between 25º and 35º0C
(d) above 40ºC
16. The edible part of broccoli is known as
(a) Curd
(b) Knob
(c) Head
(d) Shoot
17. ‘Seed Plot Technique’ in potato cultivation was developed in order to
(a) avoid aphid problem
(b) obtain early-maturing crops
(c) obtain high-starch contents
(d) all of these
18. Black Heart disease of potato is due to
(a) High storage temperature
(b) N deficiency
(c) B deficiency
(d) Chilling injury
19. All cole crops originated from a wild plant
(a) Brassica oleraceae var. sylvestris
(b) Brassica oleraceae var. botrytis
(c) Brassica oleraceae var. gemmifera
(d) Brassica oleraceae var. acephala
20. Lettuce cultivation is done best in cool environment. High temperature is not suitable because
(a) it promotes seed stalk
(b) it causes bitter taste of leaves
(c) it induces tip-burn injury
(d) all of these
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21. Watermelon without seeds are
(a) Haploid
(b) Diploid
(c) Triploid
(d) Tetraploid
22. Blossom end rot of tomato is due to deficiency of
(a) B
(b) Mo
(c) Mn
(d) Ca
23. The edible portion of knolkhol is
(a) Curd
(b) Knob
(c) Head
(d) None of these
24. A garden of naturalistic design in which irregular massing of the landscape elements predominates is
(a) Formal design
(b) Informal design
(c) Picturesque
(d) Modern design
25. Open spaces decorated with ornamental plants and other design, shape and structure and which are situated usually on the cross section or junction of roads are called
(a) Boulevard
(b) Traffic islands
(c) Miniature gardens
(d) Topiaries
26. Following garden type is also known as ‘alpine garden’.
(a) Water garden
(b) Terrace garden
(c) Sunken garden
(d) Rock garden
27. A sophisticated assymetrical design of flower arrangement that has an outline of an ‘S’ is called
(a) Circular
(b) Radiating
(c) Crescent
(d) Hogarthian curve
28. The Japanese flower arrangement called ‘Ikebana’ literally means
(a) Flowers kept alive
(b) Expressing nature aesthetically
(c) Sky, earth and mankind
(d) Well balanced expression
29. In bonsai culture, repotting is usually done in different boxes in the following order
(a) training boxes, growing boxes and final presentation pot.
(b) presentation boxes, growing boxes and training boxes.
(c) growing boxes, training boxes and final presentation pot.
(d) growing boxes, presentation pot and training boxes.
30. The spikes of cut flowers like gladiolus, antirrhinum, etc are sensitive to ……bending and hence must be stored and transported in upright position.
(a) Phototropic
(b) Geotropic
(c) Chemical induced
(d) Metal affected
31. Fading of Spathe colour in Anthurium is due to deficiency of
(a) N
(b) P
(c) Mg
(d) Ca
32. Seeding, turfing, plastering and dibbling are the most common methods of planting
(a) Plants in rockery
(b) Grasses in lawns
(c) Lotuses in water gardens
(d) Climbers in walls
33. Growing of indoor plants and cacti and succulents in a covered glass-case is known as
(a) Moribana
(b) Pergola
(c) Pot-pourri
(d) Terrariums
34. Which one of the following is paired correctly?
(a) Palms – flowers and seeds; Ferns – spores; Cycads – cones
(b) Palms – spores; Ferns – cones; Cycads – flowers and seeds
(c) Palms – cones; Ferns – spores; Cycads – flowers and seeds
(d) Palms – flowers and seeds; Ferns – cones; Cycads – spores
35. Calyx splitting is a major physiological disorder in which of the following crops?
(a) Chrysanthemum
(b) Carnation
(c) Rose
(d) Anthurium
36. The major floriculture product exported from India comprises of
(a) Fresh cut flowers
(b) Dry flowers
(c) Live plants
(d) Fresh bulbs
37. The absorption of chemical solution containing sugar and germicides through flower stem, which is especially beneficial for flowers destined for long periods of storage or long distance transportation, is
(a) Conditioning
(b) Bud-opening
(c) Pulsing
(d) Bunching
38. Which of the following is the most widely grown Orchid genus in north-eastern Himalayan region?
(a) Dendrobium
(b) Cymbidium
(c) Oncidium
(d) Cattleya
39. The most popular method of multiplying roses is through
(a) Seed propagation
(b) Micro-propagation
(c) T-budding
(d) Root cutting
40. Which of the following is a cause of deterioration of harvested flowers?
(a) Bacterial and fungal infections
(b) Plugging of xylem vessels
(c) Mechanical injury
(d) All of these
41. ….…orchids have horizontal growth habit and the new growth develops from rhizomes.
(a) Monopodial
(b) Sympodial
(c) Pseudomonopodials
(d) None of these
42. Which of the following is not a method of precooling of flowers?
(a) Forced air cooling
(b) Hydrocooling
(c) Vacuum cooling
(d) Chemical cooling
43. Who is known as the father of modern medicines?
(a) Samuel
(b) Pellatier
(c) Hippocratus
(d) Sertuner
44. Source of costus oil is
(a) Saussurea costus
(b) Lemon grass
(c) Citronella
(d) Nardostachys jatamansi
45. The plant also known as Indian ginseng is
(a) Nardostachys jatamansi
(b) Withania somnifera
(c) Rauvolfia serpentina
(d) None of these
46. Trade of following plant or plant parts collected from wild is not permitted since it is included in CITES Appendix – I
(a) Saussurea costus
(b) Dioscorea deltoidea
(c) Aloe barbadensis
(d) Gnetum montanum
47. The plant portion of commercial importance in Withania somnifera is the
(a) Leaf
(b) Stem
(c) Berry
(d) Roots
48. The emulsion of this plant in water is an integral part for making gripe water used to improve digestion and to control vomiting in children.
(a) Guggal
(b) Senna
(c) Dill or sowa
(d) Liquorice
49. Isabgol (Plantago sp.) is predominantly grown as a ……….. crop.
(a) Warm season
(b) Cold season
(c) Dry area
(d) High humidity
50. The berry pulp of following plant is rich in solasodine alkaloid, which is a starting chemical for production of steroids.
(a) Piper longum
(b) Solanum viarum
(c) Withania somnifera
(d) Plantago ovata