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