Description : If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is A. 50 ppm B. 100 ppm C. 150 ppm D. 200 ppm
Last Answer : ANS: D
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 : In green plants light favour the formation of a. Auxin b. GA c. ABA d. IBA
Last Answer : Auxin
Description : Maleness in cucumber is induced by : a. GA b. ABA c. IBA d. None of above
Last Answer : GA
Description : Femaleness in cucumber is induced by : a. GA b. ABA c. IBA d. None of above
Last Answer : None of above
Description : Dormancy of seeds are broken by a. GA b. Ethylene c. Water d. None of above
Description : Root formation is promoted in softwood cuttings under light intensity of __________ foot candles: a. 100-150 b. 150-200 c. 200-250 d. 250-350
Last Answer : 150-200
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 : Vegetables belonging to the cross pollinated group is a. Peas b. Tomato c. a & b d. Cabbage
Last Answer : Cabbage
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 : 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 : 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 : 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 : 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 : Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. (A) < 1 (B) 10-100 (C) 100-200 (D) 100-1000
Last Answer : (A) < 1
Description : Death may occur, when SO2 concentration in atmospheric air exceeds __________ ppm. (A) 20 (B) 100 (C) 400 (D) 200
Last Answer : (C) 400
Description : The chloride content of treated water for public supplies should not exceed (A) 100 ppm (B) 150 ppm (C) 200 ppm (D) 250 ppm
Last Answer : (D) 250 ppm
Description : Beyond what concentration of H2S in air, acute danger to human life exists? (A) 50 ppm (B) 100 ppm (C) 300 ppm (D) 700 ppm
Last Answer : (D) 700 ppm
Description : Seed vigor is affected by a. Time of storage b. Type of seed stored c. Storage environment d. All of above
Description : Chlorophyll formation takes place within a light wavelength of _________: a. 150-200 b. 200-300 c. 300-675 d. 700-900
Last Answer : 300-675
Description : 37. Euro –II norm stipulate ‘sulphur’ level in diesel and petrol to be ... e) 400 ppm in diesel and 150 ppm in petrol. f) 350 ppm in diesel and 180 ppm in petrol. g) 100 ppm in diesel and 50 ppm in petrol. h) 350 ppm in diesel and 150 ppm in petrol.
Last Answer : h) 350 ppm in diesel and 150 ppm in petrol.
Description : 17. Euro –II norm stipulate ‘sulphur’ level in diesel and petrol to be ... a) 400 ppm in diesel and 150 ppm in petrol. b) 350 ppm in diesel and 180 ppm in petrol. c) 100 ppm in diesel and 50 ppm in petrol. d) 350 ppm in diesel and 150 ppm in petrol.
Last Answer : d) 350 ppm in diesel and 150 ppm in petrol.
Description : For optimum vase life, most cut flowers should be stored at temperatures close to: a. 40 ºF b. 45 ºF c. 30 ºF d. 50 ºF
Last Answer : 40 ºF
Description : Bunchy top disease in banana is said to be due to: a. Virus b. Insects c. improper storage d. fungus
Last Answer : Virus
Description : The poorest seed storage capacity is in: a. Okra b. Peas c. Cucurbits d. Onion
Last Answer : Onion
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 : The most important seed component affecting seed /viability during storage is: a. Temperature b. Humidity c. Moisture d. Food reserves
Last Answer : Temperature
Description : At a temperature slightly above optimum, carbohydrates are ________: a. Produced b. Stored c. Utilized d. Increased
Last Answer : Utilized
Description : Alar significantly increased fruit. a. Size b. Color c. Weight d. All of above
Description : Plants, protein, RNA, DNA contents are increased by a. Auxins b. Adenine c. Cytokinins d. None of above
Last Answer : Cytokinins
Description : I am not gaining weight and height, what should I do now ? I am 15 years and 6 months old. Height 5 feet 6 inches. Weight 50 kg. My problem is that I eat and drink properly. I eat milk , ... 'm very tense. Please tell, whats the story of them big puppys ..... I want detailed and accurate answer.
Last Answer : Human height depends on genetic factors. It is not possible to increase or decrease the height if you want. Protein and fat foods can help you gain weight , and you need to drink plenty of water.
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 : Seed germination percentage of rough lemon is: a. 50-60% b. 60-70% c. 70-80% d. 80-90%
Last Answer : 60-70%
Description : Mowing of grasses in winter is recommended after: a. 20-30 days b. 30-40 days c. 40-50 days d. Both ‘b’ and ‘c’
Last Answer : Both ‘b’ and ‘c’
Description : Germination percentage in sour orange rootstock is: a. 50-60% b. 61-70% c. 71-80% d. 81-90%
Last Answer : 50-60%