Description : At fruit bud differentiation, nitrogen contents are _____________: a. Low b. Medium` c. High d. Very high
Last Answer : Low
Description : Edible part of cauliflower is : a. Flowers b. Flower bud c. Vegetative bud d. Inflorescence
Last Answer : Vegetative bud
Description : The phase of fruit bud formation continues until _________: a. Anthesis b. Petal formation c. Pollination d. Differentiation
Last Answer : Anthesis
Description : In temperate climates, pruning should not be done near the end of the summer because: a. New growth will not harden before winter b. It may increase foliage disease c. Plants will not recover in time to produce new growth before winter d. Sever “bleeding” from the cuts will kill the plant
Last Answer : New growth will not harden before winter
Description : Which of the following is the proper recommendation for pruning trees at planting. a. Pruning should be limited to shaping the plant by removing dead or damaged limbs b. Trees should be cut back to at ... d. Trees should not be pruned at all - the latest trend is to let them develop naturally
Last Answer : Pruning should be limited to shaping the plant by removing dead or damaged limbs
Description : Nitrogen in vegetables is needed for a. Vegetative growth b. Ripening /maturity c. Reproductive growth d. None of these
Last Answer : Vegetative growth
Description : At fruit bud differentiation in mango, C/N ratio is _______: a. Low b. Medium c. High d. Very High
Last Answer : High
Description : Apical bud becomes ________ in mango at fruit bud differentiation : a. Flattened b. Rounded c. Dome shaped d. Elongated
Last Answer : Dome shaped
Description : Addition of __________ hastens the time of fruit bud differentiation in fruit plants: a. Nitrites b. Nitrides c. Nitrates d. All of these
Last Answer : Nitrates
Description : Generative cell was destroyed by laser but a normal pollen tube was still formed because (a) vegetative cell is not damaged (b) contents of killed generative cell stimulate pollen growth (c) laser beam stimulates growth of pollen tube (d) the region of emergence of pollen tube is not harmed.
Last Answer : (a) vegetative cell is not damaged
Description : The edible part of Cabbage is - (1) fruit (2) condensed flower (3) vegetative bud (4) inflorescence
Last Answer : (3) vegetative bud Explanation: In cabbage, the edible part is vegetative bud. Vegetative buds are buds from which vegetative parts like leaves and stems arise, rather than flowers. Enlarged ... of some horticultural crops. Cabbage and head lettuce are examples of unusually large terminal buds.
Description : The edible part of Cabbage is (1) fruit (2) condensed flower (3) vegetative bud (4) inflorescence
Last Answer : vegetative bud
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 : Two basic types of pruning are heading-back and thinning-out. Which of the following is true about these pruning methods? a. Thinning cuts leave behind a good portion of the stem and many axillary buds. ... leave no buds. d. Heading cuts remove a portion of the stem and only terminal buds are lef
Last Answer : Thinning cuts are made close to a main branch or ground and few axillary buds are left
Description : Which of the following plants require severe pruning? a. Lagerstromea purporea b. Nerium odorum c. Jasminum sambac d. Thuja orientalis
Last Answer : Lagerstromea purporea
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 : Severe pruning in grapes is recommended: a. Every year b. After two year c. After three year d. None of them
Last Answer : Every year
Description : Pruning is carried out in date palm variety: a. Deglet Noor b. Hillawi c. Khudrawi d. Ajwa
Last Answer : Deglet Noor
Description : Grapevine needs : a. Bulk pruning b. Light pruning c. Moderate pruning d. No pruning
Last Answer : Bulk pruning
Description : Pruning is a regular practice in date palm variety a. Hillawi b. Khudrawi c. Deglet Noor d. Hillini
Description : Callus is a term usually referring to: a. The tissue on the collar of a limb b. The first tissue develops on a cut surface just before the root formation iniates. c. Deformed growth on plant limbs d. A disease of plant leaves and limbs
Last Answer : The first tissue develops on a cut surface just before the root formation iniates
Description : Abscisic acid (ABA) is natural plant hormone, which: a. Promote the growth b. Initiate the ripening c. Induce the fruit maturity d. retards the growth
Last Answer : retards the growth
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 : Small, hair like outgrowth at the base of leaf stalk is termed as: a. Bud b. Bract c. Stipule d. Ligule
Last Answer : Stipule
Description : Rate of bud development is ___________ upto winter season : a. Slow b. Rapid c. Medium d. Constant
Last Answer : Rapid
Description : The development of flower bud in tuberose is : a. Basipetal b. Exipetal c. Endopetal d. Acropetal
Last Answer : Acropetal
Description : Peduncle is a main axis of the a. leaf b. Flower c. Inflorescence d. Bud
Last Answer : Inflorescence
Description : The bud which develop into the axils of a leaf is a. Axillary buds b. Terminal buds c. Adventitious buds d. Naked buds
Last Answer : Axillary buds
Description : The parts of stem from which a leaf arises is called a. Node b. Internodes c. Apex d. Bud
Last Answer : Node
Description : A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: a. Hybridization b. Bud variation c. Mutation d. Non of them
Last Answer : Mutation
Description : Edible portion of cabbage is a. Terminal bud b. Leaves c. Leaves + inflorescence d. All of above
Last Answer : Leaves
Description : Completion of pollination and fertilization in unopened flower bud is termed as a. Chasmogamy b. Apogamy c. Cleistogamy d. Dichogamy
Last Answer : Cleistogamy
Description : Which of the following crop has high sulphur contents: a. Garlic b. Onion c. Radish d. None
Last Answer : Onion
Description : Which vegetable consist of more Vitamin C contents: a. Tomato b. Turnip c. Radish d. Cauliflower
Last Answer : Tomato
Description : Plants, protein, RNA, DNA contents are increased by a. Auxins b. Adenine c. Cytokinins d. None of above
Last Answer : Cytokinins
Description : Which of the following crop has lowest water contents: b. Cucumber c. Watermelon d. Bottle gourd e. Cauliflower
Last Answer : Cauliflower
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 : At a temperature slightly above optimum, carbohydrates are ________: a. Produced b. Stored c. Utilized d. Increased
Last Answer : Utilized
Description : High nitrate supply helps to ______________ maximum carbohydrates: a. Utilize b. Store c. Synthesize d. Increase
Last Answer : Utilize
Description : Apple is a rich source of mineral: a. Carbohydrates b. Proteins c. Vita-A d. Iron
Last Answer : Iron
Description : Leafy vegetables provide a. Iron b. Carbohydrates c. Protein d. None of these
Description : Potato and sweet potato are well known for a. Carbohydrates b. Proteins c. Vitamins d. All of these
Last Answer : Carbohydrates
Description : Pears and beans are rich source of: a. Carbohydrates b. Protein c. Both d. None of these
Last Answer : Protein
Description : Which of the following is controlled by Gibberellic Acid? a. Prevention of the loss of flowers b. Vegetative Growth c. Ripening of fruits d. Fruit fall
Last Answer : d. Fruit fall
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 : Growth retardants are the substances which slow down : a. Cell division b. Cell elongation c. a & b d. None of the above
Description : The most widely accepted theory for ascent of sap in trees is (a) capillarity (b) role of atmospheric pressure (c) pulsating action of living cell (d) transpiration pull and cohesion theory of Dixon and Jolly.
Last Answer : (d) transpiration pull and cohesion theory of Dixon and Jolly.
Description : New growth of plants need _________ water for proper development: a. Low b. Medium c. High d. Very High
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