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Method of cultivating plants using nutrient solution without soil is known as ----------- (hydroponics)
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Central tuber crops research institute is located at ----------- (sreekaryam, thiruvananthapuram)
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Sesamum is grown as a -------- crop in third crop season of onattukara (catch crop)
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Pepper research station of kerala is located at ----------- (panniyoor, kannoor)
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Progeny orchards are a part of ----------- (agricultural nursery)
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Identical plants developed vegetatively from one plant are ----------- (clones)
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----------- is the embryonic root of a plant (radicle)
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The portion of embryo giving rise to first true leaves is ----------- (plumule)
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----------- plants produce seeds that germinate before detaching (viviparous plants)
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Scarification is a method to promote ----------- (germination)
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----------- is the process of exposing seeds to cold & moist conditions (stratification)
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Coconut is a ----------- crop (cross pollinated)
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----------- is the vegetative reproduction in rubber (budding)
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Soft wood grafting is practiced in ----------- (cashew)
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Identifying and removing unwanted plants is ----------- (roguing)
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National seed corporation came into existence in ----------- (1963)
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----------- is used for irrigating the seed bed (rosecan)
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----------- is a tool used for pruning roses (secateur)
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----------- is a tool used for pruning & topiary (shear)
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A building with glass walls & roof for plant cultivation is ----------- (greenhouse)
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----------- is a hardening structure where plants root after tissue culture (mist chamber)
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----------- is the structure used for hardening and acclimatization (greenhouse)
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----------- & ----------- are structures used for plant hardening (greenhouses & mist chambers)
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Most attractive orchids belong to ----------- (epiphytes)
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----------- is a rooting hormone (iaa/naa/iba)
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----------- is an obligate apomict (mangosteen)
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----------- is a facultative apomict (mango/orange)
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Vegetative propagation through runner occurs in ----------- (strawberry/centella)
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Runner shoots are used for propagation in ----------- (pepper)
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----------- is the most effective propagation method in rubber (budding)
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Tissue culture is a ----------- method of propagation (vegetative)
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Vegetative propagation through bulbs is seen in ----------- (tuberose/onion)
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----------- is the basis of plant tissue culture (totipotency)
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Concept of totipotency was presented by ----------- (gottlieb haberlandt, 1902)
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Most commonly used medium in tissue culture is ----------- (murashige & skoog medium)
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Plant part used for micropropagation is ----------- (explant)
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In tissue culture, ‘hepa’ means ----------- (high efficiency particulate air)
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Tissue culture techniques are performed in ----------- (laminar airflow chamber)
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Plant hormones stimulating cell elongation are ----------- (auxin)
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Naturally occurring auxin is ----------- (iaa)
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----------- are hormones promoting cell division (cytokinin)
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----------- is a hormone promoting stem elongation & seed germination (gibberellin)
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----------- is the plant stress hormone inhibiting growth (abscisic acid – aba)
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----------- is a gaseous plant hormone (ethylene)
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pH scale was developed by ----------- (s.p.l sorensen)
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----------- is a gelling agent in culture media (agar)
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SH medium means ----------- (schenk–hildebrandt medium)
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Meristem culture is a method of ----------- (tissue culture)
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Meristem culture technique was developed by ----------- (george morel)
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----------- can be used to produce virus-free plants (meristem culture)
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A transgenic plant containing potato + tomato genes is ----------- (pomato)
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Variation in plants produced via tissue culture is ----------- (somaclonal variation)
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Plants genetically modified using rDNA are ----------- (transgenic plants)
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‘GMO’ means ----------- (genetically modified organism)
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----------- is useful in cryopreservation (liquid nitrogen)
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Sphagnum moss is used as ----------- (growing media)
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Perlite & vermiculite are used as ----------- (nursery growing media)
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Term ‘hormone’ was coined by ----------- (ernest starling)
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----------- is an auxin herbicide (2,4-d)
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‘Zeatin’ is a ----------- (cytokinin)
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----------- regulates fruit ripening, flower opening & leaf shedding (ethylene)
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Semi-hardwood cuttings are used in ----------- (tea/croton/hibiscus)
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Hardwood cuttings are used in ----------- (rose/grapes/bougainvillea/mulberry)
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Herb-softwood cuttings are used in ----------- (coleus/begonia/chrysanthemum/pepper)
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----------- is the vegetative propagation method in blackberry & raspberry (layering)
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Simple layering is practiced in ----------- (rose/jasmine)
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Serpentine layering is practiced in ----------- (wisteria/clematis)
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Trench layering is practiced in ----------- (apple/plum/cherry)
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Air layering is practiced in ----------- (jasmine/hibiscus/guava/cashew/sapota)
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Approach grafting is practiced in ----------- (mango/sapota/artocarpus)
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Side veneer grafting is practiced in ----------- (mango)
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Splice, saddle & whip-tongue grafting are practiced in ----------- (apple/pear)
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Cleft grafting is practiced in ----------- (apple/grapes)
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Stone grafting is practiced in ----------- (cashew/mango)
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Stone grafting is also known as ----------- (epicotyl grafting)
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‘T’ budding is also known as ----------- (shield budding)
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‘T’ budding is practiced in ----------- (rose/citrus)
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Inverted ‘t’ budding is observed in ----------- (rose)
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Patch budding & flap budding are practiced in ----------- (rubber)
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Ring budding is practiced in ----------- (rubber/ber/cherry/cinchona)
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Flute budding is practiced in ----------- (rubber/ber/cherry)
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Chip budding is practiced in ----------- (grapes)
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Root pruning is a part of ----------- (bonsai)
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‘Disbudding’ is practiced in ----------- (chrysanthemum)
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----------- is an example for cut flowers (rose/orchid/gladiolus/anthurium)
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‘Hybrid tea’ is a variety of ----------- (rose)
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Polyantha, grandiflora & floribunda are types of ----------- (rose)
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----------- is the world’s leading exporter of roses (netherlands)
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----------- roses are used as hedges (floribunda)
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----------- is regarded as queen of flowers (rose)
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Floribunda roses are a cross between ----------- (hybrid tea × polyantha)
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----------- is a cross between hybrid tea × floribunda (grandiflora rose)
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‘Miniature roses’ are ----------- (baby roses)
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Dieback disease of rose is caused by ----------- (fungus)
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Aparajitha & chandrama are varieties of ----------- (chrysanthemum)
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----------- is a terrestrial orchid (arandina/spathogottis)
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----------- is an epiphytic orchid (dendrobium/oncidium/cattleya/cymbidium/phalaenopsis)
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----------- is a saprophytic orchid (neotia/microstylis)
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----------- is a lithophytic orchid (diplomeris/geodorum)
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----------- is a subterranean orchid (rhizanthella)
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