Description : Salient factors which contribute to the fruit drop are: a. Embryo abortion b. Seed number of fruit c. Moisture supply d. All of the above
Last Answer : All of the above
Description : Scarification of seeds is done for removing (a) Dormancy (b) Germination inhibitors (c) Growth (d) Embryo
Last Answer : Ans:(a)
Description : Dormancy in plant and seed is mainly due to a. Environmental factor b. Physiological factor c. a & b d. None
Last Answer : a & b
Description : Seed potato seed has a. Dormancy b. Rest period c. Both of these d. None of these
Last Answer : Dormancy
Description : Guava seed before germination requires: a. Fungicide treatment b. Chemical treatment c. Commercial grade H2SO4 treatment d. All of above
Last Answer : Commercial grade H2SO4 treatment
Description : Seed germination percentage of rough lemon is: a. 50-60% b. 60-70% c. 70-80% d. 80-90%
Last Answer : 60-70%
Description : The germination of seed in which cotyledons come above ground is a. Epigeal b. Hypogeal c. Epigynous d. Epipetalous
Last Answer : Epigeal
Description : High seed germination in cucumber occurs under temperature range of: a. 20-25°C b. 25-30°C c. 15-25°C d. None of above
Last Answer : 20-25°C
Description : Exposure of seed to low temperature before germination is termed as : a. Scarification b. Stratification c. Vernalization d. All of above
Last Answer : Stratification
Description : Tetrazolium test to check seed viability is a. Chemical test b. Enzyme test c. Germination test d. a & c
Last Answer : a & c
Description : Stage at which seed achieves it maximum dry weight and has maximum germination potential and vigor is: a. Physiological maturity b. Edible maturity c. Harvest maturity d. None of above
Last Answer : Physiological maturity
Description : The nutritive tissue around the embryo in seed is a. Endosmosis b. Endodermis c. Endosperm d. Embryo-sac
Last Answer : Endosperm
Description : Ripened ovary is called as: a. Flower b. Seed c. Fruit d. Embryo
Last Answer : Fruit
Description : Seed germination and dormancy. -Biology
Last Answer : answer:
Description : Gibberellins promote (a) seed germination (b) seed dormancy (c) leaf fall (d) root elongation.
Last Answer : (c) leaf fall
Description : Top-shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characterised features of (a) cycads (b) conifers (c) polypetalous angiosperms (d) gamopetalous angiosperms.
Last Answer : (a) cycads
Description : Dormancy is a function of interaction of growth promoter like GA and growth inhibitor like _________: a. ABA b. Cycocell c. Alar d. Paclobutrazole
Last Answer : ABA
Description : Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above
Description : Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above
Last Answer : GA
Description : Dormancy period in potato is about a. 2 Months b. 1 Month c. 3 Months d. ½ Month
Last Answer : 2 Months
Description : Potato dormancy can be broken through a. Chemical treatment b. Low temperature c. Both of these d. None of these
Last Answer : Both of these
Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
Last Answer : Temperature
Description : Reduction or elimination of dormancy in crop plant is due to : a. Domestication b. Hybridization c. Mutation h. Acclimatization
Last Answer : Acclimatization
Description : To preserve the germination ability of most seeds, store them in a: a. Warm, dry environment b. Cool, dry environment c. Cool environment after scarification d. Warm, moist environment after stratificatio
Last Answer : Cool, dry environment
Description : Germination percentage in sour orange rootstock is: a. 50-60% b. 61-70% c. 71-80% d. 81-90%
Last Answer : 50-60%
Description : Germination of undeveloped seeds is favored by: a. Warm temperature (>20°C) b. Gibberallic acid c. Low temperature (
Description : One year old branch of plant is a. sprigs b. Mature branch c. twigs d. Non of these
Last Answer : twigs
Description : Spur is defined as a. Mature productive wood b. Inmature juvenile wood c. a & b d. Mature wood with rosette head
Last Answer : Mature wood with rosette head
Description : Plant genetic material in 'Gene-Bank' is preserved at - 196° C in liquid nitrogen as (1) seedling and rneristern (2) mature seed (dry) (3) pre-mature seed (high moisture) (4) ripe fruit
Last Answer : (2) mature seed (dry) Explanation: Plant genetic material in 'GENE BANK' is preserved at -196° Celsius in Liquid Nitrogen as mature seed (dry). In plants, it is possible to unfreeze the material and propagate it.
Description : Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum ... yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid
Last Answer : (a) Application of iron and magnesium to promote synthesis of chlorophyll
Description : Plant genetic material in ‘GeneBank’ is preserved at – 196° C in liquid nitrogen as. (1) seedling and meristem (2) mature seed (dry) (3) pre-mature seed (high moisture) (4) ripe fruit
Last Answer : mature seed (dry)
Description : Polyembryony means a. One embryo b. Two embryo c. More than two embryo d. More than three embryo
Last Answer : More than three embryo
Description : The two most practical means of the home owner to control insects and diseases are: a. Mechanical and chemical b. Mechanical and biological c. Chemical and biological d. Biological and natural
Last Answer : Mechanical and biological
Description : In sweet orange pre-harvest fruit drop is a. Seldom experienced b. Never experienced c. common experienced d. Problems of the area
Last Answer : Problems of the area
Description : Auxins have effective role in : a. Delay in flower opening b. Cell division c. Reduction of pre harvest fruit drop d. All of the above
Last Answer : Reduction of pre harvest fruit drop
Description : Which of the following statements is true? a. Annual can survive in the sever winter without protection. b. Annuals usually bloom only once each season. c. Annuals are only planted in spring. d. Annuals are only used for foliage beauty.
Last Answer : Annuals usually bloom only once each season
Description : Why do anti-abortion people keep insisting that an unwanted embryo or fetus or however an unborn is called be born?
Last Answer : Put yourself in their shoes and imagine you believed that terminating a pregnancy was morally equivalent to killing an adult person. Would I don't want it around be a good enough reason ... that would insist on pregnancies being carried to term in most circumstances (maybe even all circumstances).
Description : Edible Banana fruit is seedless because of — a. Embryo abortion b. Vegetative parthenocarpy c. Lack of pollination d. None of these
Last Answer : b. Vegetative parthenocarpy
Description : Almond is a drupe fruit, in which the edible portion is: a. Pericarp b. c. Seed d. Mesocarp
Last Answer : Seed
Description : The fruits which do not naturally open to shed seed are known as: a. Dehiscent fruit b. Fleshy fruit c. Dry fruit d. Indehiscent fruit
Last Answer : Indehiscent fruit
Description : The development of fruit without fertilization or seed is called as: a. Pollination b. polyembryony c. pseudogamy d. Parthenocarpy
Last Answer : Parthenocarpy
Description : Mushroom seed is called: a. Spawn b. Seed c. Button d. None
Last Answer : Spawn
Description : Edible part of pomegranate is a. Seed b. Vesicles c. Mesocarp d. Aril
Last Answer : Aril
Description : Skirt in date palm fruit is a. Exocarp b. Merocarp c. Endocarp d. Seed
Last Answer : Endocarp
Description : Micropyle is an opening in a. Stomata b. Seed c. Ovary d. Flower
Description : Rest is a natural process in a. Seed b. Seed & plant c. Plant d. Tropical plant
Last Answer : Seed & plant
Description : Metaxenia is the impact of a. Pollen on seed b. Pollen on fruit c. Pollen on ovule d. Pollen on ovary
Last Answer : Pollen on ovule
Description : Seed of strawberry fruit is: a. Achene b. True seed c. Viable seed d. Aborted seed
Last Answer : Achene
Description : Kinnow seed is: a. Polyembryonic b. Monoembryonic c. Multiembryonic d. None
Last Answer : Polyembryonic