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 : Degeneration of above ground parts in ginger is due to Senescence Maturity Partial senescence Over ripening
Last Answer : Senescence
Description : Hybrid vigor in vegetables is manifested by a. High yield b. Uniformity in size c. Uniformity in maturity d. All of above
Last Answer : All of above
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 : Reproductive phase of fruit plants is improved by the accumulation of _____: a. Nitrogen b. Starch c. Proteins d. Cellulose
Last Answer : Starch
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 : The acceleration of flowering by manipulating environmental conditions is known as: a. Pulsing b. Forcing c. Leaching d. After-ripening
Last Answer : Forcing
Description : The major metabolic process which takes place in the harvested produce is _______: a. Ripening b. Respiration c. Softening d. Senescence
Last Answer : Respiration
Description : Physiological aging activity in which plant tissues degenerate and ultimately die is called a. Senescence b. Ripening c. Climacteric d. Degeneration
Description : Senescence is a stage of a. Tissue decay b. Tissue multiplication c. Tissue vigour d. Tissue ripening
Last Answer : Tissue decay
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 : Edible part of cauliflower is : a. Flowers b. Flower bud c. Vegetative bud d. Inflorescence
Last Answer : Vegetative bud
Description : Stage at which seed achieves it maximum dry weight and has maximum germination potential and vigor is: a. Physiological maturity b. Edible maturity c. Harvest maturity d. None of above
Last Answer : Physiological maturity
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 : Which vegetables consist of more concentration of Vit. A a. Carrot b. Fenogreek c. Potato d. Peas
Last Answer : Carrot
Description : These vegetables are cross pollinated in nature a. Cauliflower, cabbage b. Spinach, Peas c. Raddish d. None of above
Last Answer : Raddish
Description : Which vegetables is transplanted without earthen ball a. Cucumber, b. Watermelon c. Cauliflower d. None of above
Last Answer : Cauliflower
Description : These vegetables are mainly raised through nursery : a. Tomato, Chillies b. Cucumber, watermelon c. Radish, turnip d. None of above
Last Answer : Tomato, Chillies
Description : Vegetables which grow during winter a. Cole crops b. Cucurbits c. Root crops d. a & c
Last Answer : a & c
Description : Vegetables which grow during summer a. Turnip, Raddish b. Cucumber, watermelon c. Cauliflower, Cabbage d. None of abov
Last Answer : Cucumber, watermelon
Description : Storage life of vegetables increased by the use of GA spray at harvesting time a. 50 ppm b. 100 ppm c. 200 ppm d. None of above
Last Answer : 50 ppm
Description : Vegetables belonging to the cross pollinated group is a. Peas b. Tomato c. a & b d. Cabbage
Last Answer : Cabbage
Description : Leafy vegetables provide a. Iron b. Carbohydrates c. Protein d. None of these
Last Answer : Iron
Description : Most of the summer vegetables belong to family: a. Solanaecae b. Cucurbitaceae c. Malvaceae d. Poaceae
Last Answer : Cucurbitaceae
Description : Thinning in vegetables is practiced to maintain: a. Plant x Plant distance b. Line x Line distance c. Both of these d. None of these
Last Answer : Plant x Plant distance
Description : Almost all vegetables are dioeceous with respect to flower. a. Summer b. Winter c. Both of these d. None of these
Last Answer : None of these
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 : In Pakistan, vegetables for seed production are harvested by: a. Manual method b. Machines c. Combine harvestors d. All of above
Last Answer : Manual method
Description : Seed production in biennial vegetables is mostly done by: a. Seed to seed method b. In situ method c. Replanting method d. All of above
Description : Cross pollination is essential in following type of vegetables. a. Monoecious b. Dioecious c. Gynoecious d. Perigynous
Last Answer : Dioeciou
Description : Fruit of following vegetables is edible: a. Summer b. Winter c. Cruciferous d. All of above
Last Answer : Summer
Description : Deep rooted vegetables require: a. Less frequent irrigation b. More water at each irrigation c. Both a & b d. None of above
Last Answer : Both a & b
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 : Hormogonia are vegetative reproductive structure of: (a) Spirogyra (b) Ulothrix (c) Oscillatoria (d) Yeast
Last Answer : Ans. ((c))
Description : Hormogonia are the vegetative reproductive structures of (a) Chlamydomonas (b) Spirogyra (c) Oscillatoria (d) Ulothrix
Description : Floral features are chiefly used in angiosperm identification because (a) flowers can be safely pressed (b) reproductive parts are more stable and conservative than vegetative parts (c) flowers are nice to work with (d) flowers are of various colours.
Last Answer : (b) reproductive parts are more stable and conservative than vegetative parts
Description : Most of Nitrogen is used in the decomposition of __________ and thus plant shows deficiency symptoms : a. Amino acids b. Cellulose c. Carbon compounds d. Organic matter
Last Answer : Cellulose
Description : Proteins are most complex organic compounds, containing a. Carbon b. Hydrogen c. oxygen and nitrogen d. All of these
Last Answer : All of these
Description : Nitrogen in plant sample is estimated by: a. Refreshrometer b. Kjeldhal’s apparatus c. Spectrophotometer d. All of above
Last Answer : Kjeldhal’s apparatus
Description : At fruit bud differentiation, nitrogen contents are _____________: a. Low b. Medium` c. High d. Very high
Last Answer : Low
Description : Cracking in tomato fruit is due to: a. High nitrogen level b. Temperature fluctuations c. Soil moisture fluctuations a. All of these
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 : In plants, __________ is the process of converting stored energy into energy for plant growth. a. Transpiration b. Photosynthesis c. Respiration d. Pollination
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 : 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 : 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 : 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