Description : Dormancy can be broken by the use of: a. Thiourea b. Ethlene chlorohydrin c. Ethylene acetylene d. All of the above
Last Answer : All of the above
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 : 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 : Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration
Last Answer : Pre mature germination
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 : Dormancy period in potato is about a. 2 Months b. 1 Month c. 3 Months d. ½ Month
Last Answer : 2 Months
Description : Seed potato seed has a. Dormancy b. Rest period c. Both of these d. None of these
Last Answer : Dormancy
Description : Reduction or elimination of dormancy in crop plant is due to : a. Domestication b. Hybridization c. Mutation h. Acclimatization
Last Answer : Acclimatization
Description : In green plants light favour the formation of a. Auxin b. GA c. ABA d. IBA
Last Answer : Auxin
Description : Maleness in cucumber is induced by : a. GA b. ABA c. IBA d. None of above
Last Answer : GA
Description : Femaleness in cucumber is induced by : a. GA b. ABA c. IBA d. None of above
Last Answer : None of above
Description : Storage life of vegetables increased by the use of GA spray at harvesting time a. 50 ppm b. 100 ppm c. 200 ppm d. None of above
Last Answer : 50 ppm
Description : The major auxin produced in plants is: a. Indole-3-butyric acid (IBA) b. Naphthalene acetic acid (NAA) c. Indole-3-acetic acid (IAA) d. Ethylene
Last Answer : Indole-3-acetic acid (IAA)
Description : Postharvest fumigation of citrus used to be done with: a. Thiobendazole (TBZ) b. Ethylene Dibromide (EDB) c. Above both d. None of above
Last Answer : Ethylene Dibromide (EDB)
Description : Postharvest fungicidal treatment of mango fruit is done with: a. Thiobendazole (TBZ) b. Ethylene Dibromide (EDB) c. Above both d. None of above
Last Answer : Thiobendazole (TBZ)
Description : Rate of ethylene production in citrus is comparatively_______ than in mango. a. Higher b. Lower c. Equal d. Unknown
Last Answer : Lower
Description : Seed dormancy is regulatedby – (1) Abscisic acid (2) Gibberellic acid (3) Indole acetic acid (4) Ethylene
Last Answer : (1) Abscisic acid Explanation: The transition from dormancy to germination in seeds is a key physiological process during the lifecycle of plants. Abscisic acid (ABA) is the sole plant ... acts through a gene expression network involving the transcription factor ABSCISIC ACID INSENSITIVE 3 (ABI3).
Description : Seed dormancy is due to the (a) ethylene (b) abscisic acid (c) IAA (d) starch.
Last Answer : (b) abscisic acid
Description : Seed dormancy is regulatedby (1) Abscisic acid (2) Gibberellic acid (3) Indole acetic acid (4) Ethylene
Last Answer : Abscisic acid
Description : The main commercial method for propagating African violets is by: a. Seeds b. Crowns c. Tubers d. Leaf petioles
Last Answer : Leaf petioles
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 : Pinching out is the removal of a. Growing point of root b. Opening flower buds c. Growing point of buds d. Removal of seeds
Last Answer : Growing point of bud
Description : Onion seeds can germinate at a temperature of : a. 0-1°C b. 1-5°C c. 5-11°C d. 15-20°C
Last Answer : 1-5°C
Description : Self fertility refers to the ability of a variety to produce fruits with viable ___: a. Pollens b. Seeds c. Ovules d. Ovaries
Last Answer : Seeds
Description : Citrus seeds can be stored with Charcoal at following temperature in dry conditions. a. 0-3°C b. 3-10°C c. 10-15°C d. Above 15°C
Last Answer : 3-10°C
Description : Silver Oak produces seeds after age of: a. 1 year b. 5 years c. 10 years d. 15 years
Last Answer : 10 years
Description : Papaya is still being commercially propagated from a. Cutting b. Suckers c. Seeds d. Grafting
Description : Reproduction of plants through seeds are also called: a. Asexual propagation b. Vegetative propagation c. Sexual propagation d. Tissue culture
Last Answer : Sexual propagation
Description : Date palm propagation is by means of: a. Suckers b. Seeds c. Off shoots d. None
Last Answer : Suckers
Description : Parthenocarpy refers to : a. Seedless fruits b. Fruit without pollination c. Seeds without pollination d. None of above
Last Answer : Fruit without pollination
Description : Virus free seeds of potato are produced in a. Hilly areas b. Spring crop c. In plains d. Autumn crop
Last Answer : Hilly areas
Description : Melons have seeds in a. Cavity/centre b. Scattered c. Both type may be d. None of these
Last Answer : Cavity/centre
Description : Which type of flowers can not produce seeds and / or fruit? Pistillate Perfect Hermaphrodite Staminat
Last Answer : Staminat
Description : Imbibed or germinated seeds subjected to cold temperature is termed as: a. Scarification b. Startification c. Vernalization d. Sterilization
Last Answer : Vernalization
Description : During storage of vegetable seeds, seed moisture should be a. Less than 10% b. Equal to 10% c. Greater than 10% d. None of above
Last Answer : Less than 10%
Description : Production of seeds without fertilization is termed as: a. Parthenocarpy b. Parthenogenesis c. Gametogenesis d. All of above
Last Answer : Parthenogenesis
Description : Germination of undeveloped seeds is favored by: a. Warm temperature (>20°C) b. Gibberallic acid c. Low temperature (
Description : Orthodox seeds after dissemination may be a. None dormant b. Dormant c. Quiescent g. All of above
Last Answer : All of above
Description : Which plant growth regulator is used for ripening? a) GA b) IBA c) Ethylene d) Cytokinin
Last Answer : c) Ethylene
Description : How can seed dormancy be broken? -Biology
Last Answer : answer:
Description : Seed dormancy of seed is broken by
Last Answer : Ans. Cytokinin
Description : Seed dormancy of potato tubers is broken by treating tubers with
Last Answer : Ans. Thiourea 1%
Description : Seed potato dormancy is broken by ? a IAA b NAA c Thiourea d CCC
Last Answer : c Thiourea
Description : Plant hormone which causes dormancy in seeds and buds. -Biology
Description : Which helps in cutting the dormancy of seeds ?
Last Answer : Gibberellin helps to reduce seed dormancy.
Description : Scarification of seeds is done for removing (a) Dormancy (b) Germination inhibitors (c) Growth (d) Embryo
Last Answer : Ans:(a)