Description : Orthodox seeds after dissemination may be a. None dormant b. Dormant c. Quiescent g. All of above
Last Answer : All of above
Description : Celery and lettuce at high temperature become a. Photodormant b. Thermodormant c. Ecodormant d. Non dormant
Last Answer : Thermodormant
Description : Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above
Last Answer : GA
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 : $ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is due to Apical dominance
Last Answer : $ Those lateral buds which are near the apical bud are called dormant buds. ! Dormancy of lateral buds is ... is wrong D. If both As and R are wrong.
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 : Reduction or elimination of dormancy in crop plant is due to : a. Domestication b. Hybridization c. Mutation h. Acclimatization
Last Answer : Acclimatization
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 : Berry splitting in citrus and strawberry is due to a. High temperature b. Low moisture c. High sunlight d. High air pressure
Last Answer : High temperature
Description : Cracking in tomato fruit is due to: a. High nitrogen level b. Temperature fluctuations c. Soil moisture fluctuations a. All of these
Last Answer : All of these
Description : The dormancy due to low temperature and moisture conditions
Last Answer : Ans. Stratification
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 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
Last Answer : All of the above
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 : Lack of early spring flowering from tulip bulbs planted outdoors is due to: a. Bright sunlight b. Lack of winter cooling c. Excessive moisture d. Magnesium and calcium deficiencies
Last Answer : Lack of winter cooling
Description : The soil pH level primarily controls: a. Soil temperature b. Activity of soil-borne diseases c. Moisture absorption by roots d. Availability of essential plant nutrients
Last Answer : Availability of essential plant nutrients
Description : Colour of carrot roots is affected by: a. Soil temperature b. Soil moisture c. Soil texture d. All of above
Last Answer : Soil moisture
Description : Bulb production in onion is dependent upon: a. Temperature b. Soil moisture c. Day length d. All of above
Last Answer : Day length
Description : The most important seed component affecting seed /viability during storage is: a. Temperature b. Humidity c. Moisture d. Food reserves
Last Answer : Temperature
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 : 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 : Imbibed or germinated seeds subjected to cold temperature is termed as: a. Scarification b. Startification c. Vernalization d. Sterilization
Last Answer : Vernalization
Description : Germination of undeveloped seeds is favored by: a. Warm temperature (>20°C) b. Gibberallic acid c. Low temperature (
Description : The basic underlying principle of using a mist propagation system is that it: a. Keeps the propagation medium uniformly moist and supplies moisture to the base of the cuttings b. ... medium to promote root formation and development d. Increases humidity around the cutting and reduces transpiration
Last Answer : Increases humidity around the cutting and reduces transpiration
Description : The soil moisture conservation technique under covered ground area is called: a. Fertigation b. Mulching c. Microjet irrigation d. Hydraulic
Last Answer : Mulching
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
Description : Excessive soil moisture, late in the season cause. a. Decrease in TSS decrease in dry matter b. Increase in TSS decrease in dry matter c. Decrease in TSS increase in dry matter d. None of above
Last Answer : Decrease in TSS increase in dry matte
Description : Researchers describe seed moisture contents in terms of : a. Dry weight b. Wet weight c. Percent weight d. a & b
Description : Treatment of seeds at low temperature under moist conditions to break its dormancy is called (a) stratification (b) scarification (c) vernalization (d) chelation.
Last Answer : (c) vernalization
Description : Which is printed on a commonly used fluorescent tube ligh
Last Answer : 6500
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 : 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 : 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 : Production of seeds without fertilization is termed as: a. Parthenocarpy b. Parthenogenesis c. Gametogenesis d. All of above
Last Answer : Parthenogenesis
Description : The domestic sewage in large cities (a) has a high BOD as it contains both aerobic and anaerobic bacteria (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in ... sewage contains adequate oxygen (d) has very high amount of suspended solids and dissolved salts.
Last Answer : (b) is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)
Description : During sewage treatment, effluent from which one of the following treatment units has minimum wt/vol amount of suspended solids? (a) Detritus channel (b) Primary sedimentation tank (c) Secondary sedimentation tank (d) Activated sludge process aeration tank
Last Answer : (d) Activated sludge process aeration tank
Description : Tap roots of plants are also called as a. Secondary roots b. Adventitious roots c. Primary roots d. Tertiary roots
Last Answer : Primary roots
Description : First and the heaviest flower drop in fruit plants occurs due to : a. Structural defects in the flowers b. Lack of pollination c. Non fertilization d. All of the abov
Last Answer : All of the abov
Description : Internal browning in apples takes place due to _______: a. Fungus b. High temperature c. Hail storm d. Bacteria