Description : At fruit bud differentiation in mango, C/N ratio is _______: a. Low b. Medium c. High d. Very High
Last Answer : High
Description : At fruit bud differentiation, nitrogen contents are _____________: a. Low b. Medium` c. High d. Very high
Last Answer : Low
Description : The renewal of NO3 involves release of ___________ from organic fraction of the soil and its rapid nitrification: a. NO2 b. NH4 c. N d. NO
Last Answer : NH4
Description : The development of flower bud in tuberose is : a. Basipetal b. Exipetal c. Endopetal d. Acropetal
Last Answer : Acropetal
Description : Viscosity of the cytoplasm increases when temperature is ___________: a. Low b. Medium c. High d. Very High
Description : Which of the following statements is true? a. Annual can survive in the sever winter without protection. b. Annuals usually bloom only once each season. c. Annuals are only planted in spring. d. Annuals are only used for foliage beauty.
Last Answer : Annuals usually bloom only once each season
Description : Best time of propagation of fruit plants in sub tropical region is : a. Spring season b. Spring & autum season c. Summer season d. Summer and winter season
Last Answer : Spring & autum season
Description : Most of following category crops are shallow rooted a. Summer b. Winter c. Off season d. All of above
Last Answer : Summer
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 : The phase of fruit bud formation continues until _________: a. Anthesis b. Petal formation c. Pollination d. Differentiation
Last Answer : Anthesis
Description : Apical bud becomes ________ in mango at fruit bud differentiation : a. Flattened b. Rounded c. Dome shaped d. Elongated
Last Answer : Dome shaped
Description : Pruning in old fruit trees increases fruit bud formation by increasing ______: a. Carbohydrates b. New vegetative growth c. Hormonal contents d. Cell sap
Last Answer : New vegetative growth
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 : 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 : Edible part of cauliflower is : a. Flowers b. Flower bud c. Vegetative bud d. Inflorescence
Last Answer : Vegetative bud
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 : 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 : New growth of plants need _________ water for proper development: a. Low b. Medium c. High d. Very High
Description : In Kinnow mandarin, fruit drop in month of June is upto: a. 70% b. 75% c. 80% d. 85%
Last Answer : 75%
Description : In pineapple sweet orange, fruit drop in month of June is upto: a. 66% b. 76% c. 86% d. 96%
Last Answer : 96%
Description : Apple and pear form their flowers buds in ___________: a. May-June b. July-August c. September-October d. November-December
Last Answer : July-August
Description : Failure of a viable pollen to grow down the style of the flower of the same variety is called ___________: a. Self sterility b. Self incompatibility c. Self unfruitfulness d. Sterility
Last Answer : Self incompatibility
Description : Nitrates are absorbed at pH below ___________: a. 5 b. 6 c. 7 d. 8
Last Answer : 5
Description : Growth retardants are the substances which slow down : a. Cell division b. Cell elongation c. a & b d. None of the above
Last Answer : a & b
Description : A plant that dies to the ground at the end of each growing season but comes back from the same root stubs year after year is most accurately described as: a. Perennial b. Annual c. Biennial d. Herbaceous perennial
Last Answer : Herbaceous perennial
Description : Which of the following statements is true. a. Perennials are used for one season. b. Perennials are good plants for the garden with low maintenance cost. c. Perennials are not easy to grow and establish in beds. d. Perennials are only for foliage beauty
Last Answer : Perennials are good plants for the garden with low maintenance cost.
Description : Production of vegetable out of their normal season of outdoor production is known as: a. Vegetable forcing b. Out of season c. Crop production d. Tissue culture
Last Answer : Vegetable forcing
Description : The plants which live for only a single season are called a. Herbs b. Perennials c. Biennials d. Annuals
Last Answer : Annuals
Description : Color of carrot depends upon a. Age b. Variety c. Season d. All of these
Last Answer : All of these
Description : Staking of vines in rainy season is done to avoid: a. Insect attack b. Disease attack c. Sunscald d. None of these
Last Answer : Disease attack
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 : Vine of crop of bottle gourd is not staked during: a. Summer season b. Rainy season c. Early season d. Late season
Last Answer : Summer season
Description : Which vegetable cannot be grown as an off season vegetable: a. Tomato b. Potato c. Chillies d. Cucumber
Last Answer : Potato
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 : Summer vegetables can be grown out of season in a climatic region: e. Lower Sindh a. Upper Sindh b. Southern Punjab c. Northern Punjab
Last Answer : Lower Sindh
Description : Peat is often mixed into the growing medium of container plants because it: a. Is inexpensive b. Has good air and water holding capacities c. Has a high pH d. Absorbs excessive soluble salts
Last Answer : Has good air and water holding capacities
Description : Which of the following is not a method for sterilizing plant growing medium? a. Steaming b. Baking c. Using chemical fumigants d. Keeping the growing medium moist for 6 to 7 days
Last Answer : Keeping the growing medium moist for 6 to 7 days
Description : Growing medium kept too wet will deprive the plant: a. Soluble salts b. Water c. Oxygen d. Fertilizer
Last Answer : Oxygen
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 : Commercial flower crops are sometimes watered to cause leaching. This means: a. Watering to spread fertilizer nutrients more evenly throughout the plant root system b. Watering to remove excess soluble salts from ... only to wet the top 1/3 of the growing medium d. Watering by subsurface methods
Last Answer : Watering to remove excess soluble salts from the growing medium
Description : Most house plants, except cacti, prefer a highly organic and a. Neutral growing medium b. Alkaline growing medium c. Acidic growing medium d. None of above
Last Answer : Acidic growing medium
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 : 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 : 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