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 : Flowering in water melon is unaffected by light duration as it is: a. Short day long night plant b. Long day short night plant c. Day neutral plant d. None of the above
Last Answer : Long day short night plant
Description : Flowering in water melon is unaffected by light duration as it is: a. Short day long night plant b. Long day short night plant c. Day neutral plant d. None of the abov
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 : Which of the following factor(s) is/are more suitable for good onion production? a. High temperature b. Long photoperiod c. None of above d. All abov
Last Answer : All abov
Description : The most important characteristics of tropical region are: a. Snowfall b. Frost c. Winds d. High temperature
Last Answer : High temperature
Description : Honey extracted from almond flower is inedible due to: a. Amygdalus factor b. Oxalic acid c. a & b d. None
Last Answer : Amygdalus factor
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 : Male sterily is not due to a. Genetic factor b. Genome factor c. Cytogenetic factor d. Nutritional factor
Last Answer : Nutritional factor
Description : Which of the following climbers is important for its hardiness and flowers throughout year? a. Vitis vinifera b. Bongainvillea glabra c. Tecoma grandiflora d. Quisqalis indica
Last Answer : Bongainvillea glabra
Description : Wild dates (P. sylvestris) is important due to a. Nutritious fruit b. Sweetness of fruit c. Sugar production d. Medicinal value
Last Answer : Medicinal value
Description : The three important genera of Anacardiaceae family are. a. Mangifera, Pistacia and Cocos b. Eugenia, Anacardium, Pistacia c. Pistacia, Mangifera, Anacardium d. Psidium, Aurantium, Mangifera
Last Answer : Pistacia, Mangifera, Anacardium
Description : Water availability, temperature extremes, and __________ should be considered when selecting trees for the landscape. a. Slope b. Topography c. Soil type d. Buildings present
Last Answer : Soil typ
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 : 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 : Internal browning in apples takes place due to _______: a. Fungus b. High temperature c. Hail storm d. Bacteria
Description : At a temperature slightly above optimum, carbohydrates are ________: a. Produced b. Stored c. Utilized d. Increased
Last Answer : Utilized
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 : 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 : Low temperature helps to _________ growth inhibitors: a. Increase b. Decrease c. Store d. Produce
Last Answer : Decrease
Description : Date growth does not cease if temperature does not fall below: a. 0°C. b. 10°C c. 18°C d. 20°C
Last Answer : 18°C
Description : Low temperature regime in summer which stops growth of mango is : a. 35°F b. 30°F c. 20°F d. 18°F
Last Answer : 18°F
Description : Berry splitting in citrus and strawberry is due to a. High temperature b. Low moisture c. High sunlight d. High air pressure
Description : Chilling injury in plants occurs at a temperature: a.
Last Answer :
Description : Viscosity of the cytoplasm increases when temperature is ___________: a. Low b. Medium c. High d. Very High
Last Answer : High
Description : Bolting in biennial crops is due to a. Low temperature exposure b. High temperature exposure c. Both of these d. None of these
Last Answer : Low temperature exposure
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 : High temperature in chillies causes a. Flower drop b. Fruit drop c. Both of the above d. None of these
Last Answer : Both of the above
Description : Optimum temperature for potato tuber formation is a. 20-22°C b. 25-30°C c. 22-25°C d. All of these
Last Answer : 20-22°C
Description : Tip burn of lettuce occurs at high air temperature when the soil is _______: a. Cool b. Dry c. Hot d. Wet
Last Answer : Cool
Description : Optimum temperature for cool season vegetables is: a. 25-30°C b. 25-27°C c. 18-24°C d. 15-20°C
Last Answer : 18-24°C
Description : Tender crop cannot tolerate a minimum temperature of a. -2°C b. -1°C c. 0°C d. All of above
Last Answer : All of above
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 : Imbibed or germinated seeds subjected to cold temperature is termed as: a. Scarification b. Startification c. Vernalization d. Sterilization
Last Answer : Vernalization
Description : Lower temperature than normal convert male flowers into perfect flowers in ________: a. Date palm b. Mango c. Papaya d. Citrus
Last Answer : Papaya
Description : What type of mulches reduce soil temperature? a. Organic mulch b. Gray polythene c. Black polythene d. Transparent polythene
Last Answer : Organic mulch
Description : Celery and lettuce at high temperature become a. Photodormant b. Thermodormant c. Ecodormant d. Non dormant
Last Answer : Thermodormant
Description : Germination of undeveloped seeds is favored by: a. Warm temperature (>20°C) b. Gibberallic acid c. Low temperature (
Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
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 : 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 : The amount of combustible escaping unconsumed from the furnace, depends upon the (A) Air supplied and furnace temperature (B) Burner design (thoroughness of mixing versus stratification) (C) Air preheat and the flow of ... , by acceleration or by change of direction) (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : Hard, thorny structures which protect the buds of woody plants during winter, are termed as: a. Nodes b. Scales c. Bracts d. None of all
Last Answer : Scales
Description : Which of the following trees change foliage colour during winter? a. Albizzia lebbek b. Delonix regia c. Sapium sebeferum d. Thuja orientalis
Last Answer : Sapium sebeferum
Description : Pruning in narrow leave evergreens should be done during: a. Early fall b. Winter c. Summer d. Early spring
Last Answer : Early spring
Description : During propagation through cuttings, which hormone(s) is/are used for root promotion? a. ABA b. Seradix c. NAA d. All above
Last Answer : Seradix
Description : Flower bearing in ber occurs during a. Spring b. Winter c. Summer d. Autumn
Last Answer : Autumn
Description : Tomato nursery established during September could be transplanted in the field during : a. October b. November c. November/December d. January/February
Last Answer : October
Description : The plants shed their leaves during autumn are called; a. Evergreen b. Deciduous c. Hardy plants d. Non of them
Last Answer : Deciduous