Horticulture Model Question Papers

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Horticulture Model Question Papers

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Model Question Papers on Horticulture

1. This crop is grown under an annually renewable license issued by the Union Narcotics Department, in designated areas of Madhya Pradesh, Rajasthan and Uttar Pradesh.
(a) Asgand
(b) Rauvolfia
(c) Palmarosa oil grass
(d) Opium poppy

2. Commercial propagation for Periwinkle is mainly through
(a) Seed
(b) Stem cutting
(c) Root cutting
(d) Tissue-culture

3. The economic part of Rauvolfia serpentina containing at least 55 alkaloids is
(a) Leaves
(b) Stem
(c) Roots
(d) Seeds

4. The absolute extracted through solvent extraction of French jasmine flower is traded as
(a) Bricks
(b) Concrete
(c) Oils
(d) Powder

5. The ……… of Indian basil is used in flavouring of foods, bakery products and beverages
(a) Seeds
(b) Roots
(c) Oil
(d) Bark

6. The leaves of ……………contain an aromatic oil, with a characteristic lemon-like odour, containing 75 to 80% citral.
(a) Apium graveolens
(b) Ocimum basilicum
(c) Cymbopogon winterianus
(d) Cymbopogon flexuosus

7. The most popular variety of ………… among Indian farmers is Shiwalik.
(a) Lemon grass
(b) Mint
(c) Citronella
(d) Celery

8. …………is cultivated for its highly fragrant leaves which contain a very sweet smelling oil of lasting stickly odour with good blending properties.
(a) Patchouli
(b) Chamomile
(c) Kewada
(d) Vetiver

9. The largest producer, consumer and exporter of spices in the world is
(a) Sri Lanka
(b) India
(c) Pakistan
(d) Afghanistan

10. Following plant is know as ‘queen of spices’
(a) Black pepper
(b) Large cardamom
(c) Small cardamom
(d) Coriander

11. The major export destination of ginger from NE India is
(a) Myanmar
(b) Bangladesh
(c) China
(d) Thailand

12. The berries of black pepper mature and become ready for harvesting in
(a) 60 to 90 days
(b) 100 to 150 days
(c) 180 to 200 days
(d) 210 to 250 days

13. Commercial propagation of large cardamom is through
(a) Seeds
(b) Suckers
(c) Stem cuttings
(d) Air layering

14. ‘Navashree’ and ‘Nithyashree’ are commercial varieties of
(a) Cinnamon
(b) Betelvine
(c) Fenugreek
(d) Nutmeg

15. The plant part of commercial value in Clove is the dried, aromatic and fully grown
(a) Seeds
(b) unopened flower buds
(c) opened flowers
(d) fully ripe fruits

16. The seeds of coriander should be harvested when
(a) seeds are fully dried
(b) 50% of the seeds dry up
(c) entire seeds turn yellow
(d) 50% seeds turn yellow

17. The alkaloid responsible for its biting taste of Black pepper is
(a) Piperine
(b) Oleoresin
(c) Curcumin
(d) Tumerol

18. Colouring and polishing are two important post harvest operations in which of the following spices?
(a) Black pepper
(b) Turmeric
(c) Vanilla
(d) Betel Vine

19. The most widely cultivated Chilli type in Mizoram is
(a) Red pepper
(b) Naga king chilli
(c) Sweet pepper
(d) Bird-eye chilli

20. The costliest spice in the spice horizon is
(a) Saffron
(b) Vanilla
(c) Small cardamom
(d) None of these

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21. Rajendra Swathi is an improved variety of
(a) Cumin
(b) Fenugreek
(c) Fennel
(d) Coriander

22. Bleaching is an important operation followed in
(a) Black pepper
(b) Betel vine
(c) Fennel
(d) Ginger

23. Trashing is an important operation in the cultivation of
(a) Cardamom
(b) Clove
(c) Turmeric
(d) Black pepper

24. Which of the following is prepared after removing outer pericarp of black pepper berries?
(a) White pepper
(b) Brown pepper
(c) Green pepper
(d) Red pepper

25. The main disadvantage of using glass house as a greenhouse is
(a) highly affected by weather fluctuations
(b) it have a short life span
(c) it requires regular cleaning to maintain maximum light transmission
(d) all of these

26. Regardless of the basic design, greenhouse must receive a minimum of ……………hours of unobstructed light during the winter months
(a) 3 to 4
(b) 5 to 6
(c) 7 to 8
(d) 10 to 11

27. Slow-rooting cuttings are kept alive for a long period of time, giving them a chance to root before they die from dessication, through
(a) Hot beds
(b) Cold frames
(c) Net houses
(d) Intermittent mist

28. The temperatures inside greenhouses are …………the ambient temperature.
(a) lesser than
(b) higher than
(c) similar to
(d) cannot be specified

29. This is initiated by the National Horticulture Board, it helps to decide the confinement according to its value and demand in different places
(a) Market bulletin
(b) Co-operative organization
(c) Market survey
(d) Market intelligence information

30. A flexible pouch capable of withstanding autoclavable temperature (about 120oC) when food products are packed and sealed inside them
(a) Retortable pouches
(b) Aseptic package
(c) Tetra packs
(d) Polyethylene

31. In Green House, the most suitable cladding material is polythene of thickness
(a) 0.10-0.15 mm
(b) 10-15 mm
(c) 2.0-3.0 mm
(d) None of these

32. Forcing of plants to flower in a particular flush is done mainly to
(a) increase seed production
(b) promote vegetative growth
(c) get good quality fruits
(d) avoid incidence of pests

33. High production in protected cultivation is due to
(a) high photosynthetic efficiency
(b) high temperature
(c) high oxygen level
(d) all of these

34. The following type of irrigation is suitable for undulating topography and also popular in greenhouses
(a) Sprinkler method
(b) Check basin system
(c) Furrow method
(d) Flooding

35. The principal nutrient applied through fertigation in greenhouse cultivation is
(a) Nitrogen and sulphur
(b) Nitrogen and potassium
(c) Phosphorus and potassium
(d) Phosphorus and sulphur

36. Growth regulator commonly used for fruit thinning is
(a) IAA
(b) GA
(c) Ethylene
(d) NAA

37. Out of the total mushroom production in India, which of the following spp. comprises more than 90% production?
(a) Agaricus spp.
(b) Pleurotus spp.
(c) Volvariella spp.
(d) Auricularia spp.

38. Mushroom spawn is a pure mushroom ………….growing on sterilized grain medium.
(a) Spore
(b) Hypha
(c) Mycelium
(d) Seed

39. The Directorate of Mushroom Research (ICAR) is situated in
(a) Shimla
(b) Solan
(c) Delhi
(d) Shillong

40. If button mushrooms are allowed to grow further to reveal pink gills due to ruptured veil, they are known as
(a) Cup
(b) Saucer
(c) Flower
(d) Buds

41. Pleurotus spp. is a type of
(a) Shiitake mushroom
(b) Paddy straw mushroom
(c) Oyster mushroom
(d) Milky mushroom

42. Lentinula edodes, a culinary medicinal mushroom is
(a) Shiitake mushroom
(b) Paddy straw mushroom
(c) Oyster mushroom
(d) Milky mushroom

43. The mushroom characterized by a milky large sporophore and having delicious flavour is
(a) Pleurotus spp.
(b) Colocybe indica
(c) Lentinula edodes
(d) Volvariella volvacea

44. The first edible mushroom cultivated in India was
(a) Paddy straw mushroom
(b) Oyster mushroom
(c) Shiitake mushroom
(d) White button mushroom

45. Yellow mould disease of mushrooms is caused by
(a) Myceliophthora lutea
(b) Mycogone perniciosa
(c) Verticillium fungicola
(d) Cladobotrym dendroides

46. Mushroom is specially recommended food for diabetic patients because of
(a) low fat and low protein content
(b) low calorific food with no cholesterol and no starch
(c) good source of vitamins but low in minerals
(d) low fibre and high sodium contents

47. The temperature requirement for cultivation of oyster mushroom is
(a) 16º to 20ºC
(b) 25º to 30ºC
(c) 28º to 34ºC
(d) 32º to 38ºC

48. Which of the following is the best medium for growing cultures of Oyster and Paddy straw mushroom?
(a) PDA
(b) Sucrose
(c) Na Benzoate
(d) MS media

49. The mushroom ………..is resistant to all the known mushroom viruses and to nematode Apenchoides sacchari.
(a) Agaricus bisporus
(b) Agaricus bitorquis
(c) Pleuratus ostreatus
(d) Pleuratus florida

50. The green mould disease of mushroom caused by Trichoderma spp. can be controlled by
(a) proper pasteurization
(b) fungicidal sprays
(c) conditioning of compost
(d) all of these