Senior Horticulture Demonstrator • 2018 • Paper-II
Chemical present in turmeric is
A)
Cucurmin
B)
Curcumin
C)
Zingiberine
D)
Linalool
Curcumin is the principal yellow pigment of turmeric.
Senior Horticulture Demonstrator • 2018 • Paper-II
Mutant variety of Mango
A)
Carabao
B)
Himsagar
C)
Alphonso
D)
Rosica
Among the listed choices Rosica is the mutant cultivar.
Senior Horticulture Demonstrator • 2018 • Paper-II
Which of the following seed contains diosgenin- used for preparation of contraceptive pills
A)
Cumin
B)
All Spice
C)
Fennel
D)
Fenugreek
Fenugreek seeds contain diosgenin precursors.
Senior Horticulture Demonstrator • 2018 • Paper-II
In an orchard layout/ system of planting, 15% more plants than square system can be accommodated in
A)
Rectangular System
B)
Quincunx System
C)
Hexagonal System
D)
Contour System
Hexagonal system accommodates 15% more plants than square (square=100%, hexagonal ~115%).
Senior Horticulture Demonstrator • 2018 • Paper-II
Pinching in chrysanthemum is done to
A)
Encourages side branches for cut flowers
B)
Encourage dwarf stature
C)
Encourage single crown branch
D)
All of these
Pinching promotes lateral branching and flower-bearing shoots.
Senior Horticulture Demonstrator • 2018 • Paper-II
Cucurbit with longest storage life
A)
Ash Gourd
B)
Pumpkin
C)
Sponge Gourd
D)
Pointed Gourd
Ash gourd has excellent storability among cucurbits.
Senior Horticulture Demonstrator • 2018 • Paper-II
Making a notch below a bud by removing a wedge shaped piece of bark to ensure accumulation of carbohydrates from the leaves to the bud and may results in formation of fruit bud is known as
A)
Notching
B)
Nicking
C)
Lopping
D)
All of these
Notching removes a wedge of bark to alter assimilate flow toward a bud.
Senior Horticulture Demonstrator • 2018 • Paper-II
Neera and Toddy are prepared from
A)
Palmyrah Palm
B)
Oil Palm
C)
Cashewnut
D)
Coconut
Palm sap products such as neera/toddy are commonly associated with coconut in this question set.
Senior Horticulture Demonstrator • 2018 • Paper-II
Pineapple is a variety of
A)
Sweet Orange
B)
Mandarin Orange
C)
Pineapple
D)
Pummelo
The item’s wording is tautological; the intended answer is the third option.
Senior Horticulture Demonstrator • 2018 • Paper-II
National Aromatic and Medicinal Plant Board is situated at
A)
Lucknow
B)
New Delhi
C)
Anand, Gujarat
D)
Kerala
The national board is headquartered in New Delhi.
Senior Horticulture Demonstrator • 2018 • Paper-II
Lithops belongs to the family of
A)
Aizoaceae
B)
Cactaceae
C)
Portulaceae
D)
Amaryllidaceae
Lithops is a succulent genus in Aizoaceae.
Senior Horticulture Demonstrator • 2018 • Paper-II
Which of the following is Tree Jasmine
A)
Jasminum sambac
B)
Jasminum auriculatum
C)
Jasminum arborescence
D)
Jasminum grandiflorum
The specific epithet arborescens means tree-forming.
Senior Horticulture Demonstrator • 2018 • Paper-II
Vegetable having single seed
A)
Chayote
B)
Bread fruit
C)
Asparagus
D)
Globe artichoke
Chayote has a single large seed.
Senior Horticulture Demonstrator • 2018 • Paper-II
The broad principle(s) of prevention of spoilage of horticultural produces-
A)
Prevention or delay of microbial decomposition
B)
Prevention or delay of self-decomposition of food
C)
Prevention or minimizing damage by insect-pests and diseases
D)
All of these
Preservation addresses microbes, enzymatic/self-decomposition and pest/disease damage.
Senior Horticulture Demonstrator • 2018 • Paper-II
Which statement is correct
A)
Senna is legume and produces nodules for fixing atmospheric Nitrogen
B)
Senna is not a legume but fix atmospheric Nitrogen
C)
Senna is legume and produces no nodules for fixing atmospheric Nitrogen
D)
None of these
The exam statement identifies senna as a legume with nodulation.
Senior Horticulture Demonstrator • 2018 • Paper-II
Which of the following is not an element of landscaping
A)
Colour
B)
Texture
C)
Rhythm
D)
Line
Color and texture are basic visual elements; rhythm is more often treated as a design principle.
Senior Horticulture Demonstrator • 2018 • Paper-II
National flower of India belong to the family
A)
Compositae
B)
Rosaceae
C)
Nymphaeaceae
D)
Lotaceae
The lotus belongs to Nymphaeaceae in traditional taxonomic treatment.
Senior Horticulture Demonstrator • 2018 • Paper-II
Generally, two rows of windbreaks are planted in north-western side of an orchard at an interval of
A)
3 meters
B)
5 meters
C)
7 meters
D)
2.5 meters
The source’s standard spacing is 5 metres.
Senior Horticulture Demonstrator • 2018 • Paper-II
Botanical Name of African Marigold is
A)
Tagetes patula
B)
Tagetes erecta
C)
Tagetes minuta
D)
Tagetes lucida
African marigold is Tagetes erecta.
Senior Horticulture Demonstrator • 2018 • Paper-II
Mace of Nutmeg is
A)
Flower
B)
Seed
C)
Dried Aril
D)
Dried Kernel
Mace is the dried aril surrounding the nutmeg seed.
Senior Horticulture Demonstrator • 2018 • Paper-II
Which one of the following does not belong to Rosaceae family
A)
Peach
B)
Plum
C)
Both (a) & (b)
D)
None of these
Peach and plum both belong to Rosaceae.
Senior Horticulture Demonstrator • 2018 • Paper-II
Sterilization of media, water, glassware instrument in tissue culture laboratory is achieved by autoclaving at
A)
120°C and 15 psi for 15-20 minutes
B)
121°C and 15 psi for 15-20 minutes
C)
120°C and 10 psi for 15-20 minutes
D)
121°C and 10 psi for 15-20 minutes
The standard autoclave condition is about 121°C and 15 psi for 15–20 minutes.
Senior Horticulture Demonstrator • 2018 • Paper-II
Distribution of Pyrethrin i.e., chemical constituents of Pyrethrum is highest in
A)
Achenes
B)
Receptacles
C)
Disc florets
D)
Ray Florets
Pyrethrins are concentrated in the achenes/ovaries of pyrethrum flower heads.
Senior Horticulture Demonstrator • 2018 • Paper-II
Which of the following bean is used to prepare wine
A)
French Bean
B)
Cluster Bean
C)
Lima Bean
D)
Dolichos Bean
The item’s source key treats lima bean as the intended answer.
Senior Horticulture Demonstrator • 2018 • Paper-II
Art of training plants into shapes of different statues, birds, animals is known as
A)
Edge
B)
Topiary
C)
Hedge
D)
All of these
Topiary is the art of shaping plants into ornamental forms.
