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 : Red colour of carrot is due to : a. Lycopene b. Carotene c. Anthocyanin d. Propanene
Last Answer : Carotene
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 : 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 : Most dominant factor influencing weed composition in a field is a). Soil moisture b). Soil type c). Soil texture d). Soil temperature
Last Answer : a). Soil moisture
Description : The design principle of total compatibility of all parts of an arrangement with each other is: a. Transition b. Texture c. Harmony d. Proportion
Last Answer : Harmony
Description : Most grass species utilized for turf are characterized by: a. Prostrate creeping b. Fine to medium texture c. Short basal nodes d. All of above
Last Answer : All of above
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 : 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 : Which of the following vegetable is also called as ‘poor man’s food’? a. Carrot b. Onion c. Redish d. Potato
Last Answer : Onion
Description : Temperate varieties of carrot have ________ life cycle. a. Annual b. Biennial c. Perennial d. Unknown
Last Answer : Biennial
Description : Yield of carrot is maximum at pH: a. 6.5 b. 7.5 c. 8.5 d. Below 6.5
Last Answer : 6.5
Description : Which vegetables consist of more concentration of Vit. A a. Carrot b. Fenogreek c. Potato d. Peas
Last Answer : Carrot
Description : Family solanaceae consist of these crops. a. Potato, Tomato, eggplant etc. b. Water melon, muskmelon, cucumber c. Turnip, Raddish, Carrot etc. d. None of above
Last Answer : Potato, Tomato, eggplant etc
Description : Quality seed carrot is produced through a. Seed to seed method b. Toping in situ method c. Steeklings d. None of these
Last Answer : Steekling
Description : Color of carrot depends upon a. Age b. Variety c. Season d. All of these
Description : Carrot and coriander belong to the family a. Umbelliferae b. Crucifereae c. Cucurbitaceae d. None of these
Last Answer : Umbelliferae
Description : Carrot is a rich source of vitamin: a. Vitamin A b. Vitamin C c. Vitamin D d. Vitamin E
Last Answer : Vitamin A
Description : Lowering the soil grade around a tree removes many of the tree’s __________ roots. a. Tap b. Aerial c. Feeder d. Aquatic
Last Answer : Feeder
Description : In citrus 80-90% of the active roots are present in the soil to a depth of: a. 25 cm b. 50 cm c. 75 cm d. 100 cm
Last Answer : 25 cm
Description : Read the statement given below (i ) Seeds require moisture for germination . (ii) Plant can absorb nutrients in dissolved form. (iii) Irrigation protects crop from both frost and hot air currents . (iv) Irrigation improves soil texture . a) i and ii b) i ,ii, iii c) i , ii , iii , iv . d) i and iii
Last Answer : a) i and ii
Description : The most determinant factor of soil which affects the plant growth is a. pH b. Soil composition c. Soil Texture d. Soil moisture
Last Answer : a. pH
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 : The most important seed component affecting seed /viability during storage is: a. Temperature b. Humidity c. Moisture d. Food reserves
Last Answer : Temperature
Description : Secondary dormancy in non dormant seeds is due to: j. Temperature a. Moisture b. Aeration c. Ligh
Description : The orange colour of carrot is because of – (1) it grows in the soil (2) Carotene (3) it is not exposed to sun-light (4) the entire plant is orange in colour
Last Answer : (2) Carotene Explanation: The carrot gets its characteristic, bright orange colour from beta-carotene and lesser amounts of carotene, carotene, lutein and zeaxan thin.
Description : Carrot is orange in colour because (1) It grows in the soil (2) It is not exposed to sunlight (3) It contains carotene (4) The entire plant is orange in colour
Last Answer : It contains carotene
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 : 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 : 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 : 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 : Researchers describe seed moisture contents in terms of : a. Dry weight b. Wet weight c. Percent weight d. a & b
Last Answer : a & b
Description : Plants usually do not grow well in poorly drained soils because: a. Oxygen content is low in poorly drained soils b. The organic matter content of poorly drained soils is too high c. Poorly drained soils warm too quickly in spring d. Plant roots become engorged with water in poorly drained soils
Last Answer : Oxygen content is low in poorly drained soils
Description : A transplanted tree or shrub should be set into the ground: a. 50 percent deeper than it was originally planted b. So that the top roots are exposed to the air c. With the top of the container slightly covered d. At the same depth at which it was originally growing
Last Answer : At the same depth at which it was originally growing
Description : Dead heading is the removal of a. Dead branches b. Dead roots c. Faded flowers d. Shriveled leaves
Last Answer : Faded flowers
Description : A slender trailing stem taking roots at the node is a. Runner b. Rhizome c. Tuber d. Bulbs
Last Answer : Runner
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 : Sweet potato is propagated by: a. Stem cuttings b. Tubers c. Roots d. a & b
Description : In lighter texture soils such as , tillage can be undertaken at moisture levels below field capacity. A. Loam. C) Loam or sand B. Sand. D) Non of the above
Last Answer : Loam or sand
Description : Seed vigor is affected by a. Time of storage b. Type of seed stored c. Storage environment d. All of above
Description : Pansy is very popular annual due to its: a. Stem and foliage beauty b. Hardiness toward ground cover c. Planting under shad. d. Mix colour flowers bedding plant.
Last Answer : Mix colour flowers bedding plant.
Description : Which of the following perennials is hardy and having blue and lavender colour flowers? a. Verbena b. Dianthus c. Calendula d. Alyssum
Last Answer : Verbena
Description : Which shrub has white colour flowers with fragrance a. Tabernaemontana divertice b. Hibiscus rosa chinensis c. Thevetia merifolia d. Jasminum sambac
Last Answer : Jasminum sambac
Description : Which of the shrub bears red colour flowers a. Atriplex halimus b. Tecoma stans c. Jatropha metrifeda d. Jasminum sambac
Last Answer : Jatropha metrifeda
Description : Which of the tree bears red colour flowers? a. Erythrena subrosa b. Albizia lebbek c. Sapium sebiferum d. Thuja orientalus
Last Answer : Erythrena subrosa
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 : Different mango varieties can be distinguished on the basis of: a. New leaf colour b. Panicle length c. Number of male flowers d. All of above
Last Answer : New leaf colour
Description : Apple flower is distinguished from pear flower: a. Due to its colour b. Due to its size c. a & b d. None
Description : Why hardening is practiced in vegetables: a. To increase the yield b. To increase fruit colour c. To increase the resistance of the plant d. All of the above
Last Answer : To increase the resistance of the plant
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