Description : Optimum temperature for potato tuber formation is a. 20-22°C b. 25-30°C c. 22-25°C d. All of these
Last Answer : 20-22°C
Description : Other things being suitable, what level of temperature is considered ideal for optimum growth of banana crop ? (A) 36°C (B) 18°C (C) 30°C (D) 12°C (E) 27°C
Last Answer : (C) 30°C
Description : Which of the following are optimum temperature conditions for making benzenediazonium chloride from aniline? (a) 0°C to 10°C (b) 20°C to 25°C (c) 30°C to 40°C (d) 45°C to 50°C
Last Answer : 0°C to 10°C
Description : High seed germination in cucumber occurs under temperature range of: a. 20-25°C b. 25-30°C c. 15-25°C d. None of above
Last Answer : 20-25°C
Description : The optimum cardinal temparature point for germination of rice seeds is– 1) 20°C – 25°C 2) 18°C – 22°C 3) 30°C – 32°C 4) 37°C – 39°C
Last Answer : 1) 20°C – 25°C
Description : Onion seeds can germinate at a temperature of : a. 0-1°C b. 1-5°C c. 5-11°C d. 15-20°C
Last Answer : 1-5°C
Description : A mixture of 10% C6H6 vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. (A) 21.7 (B) 20 (C) 27.3 (D) 18.7
Last Answer : (D) 18.7
Description : According to the Indian Standards the specific gravity is the ratio of the unit weight of soil solids to that of water at a temperature of (A) 17°C (B) 23°C (C) 27°C (D) 30°C
Last Answer : (C) 27°C
Description : Optimum temperature for maximum crop development in wheat is (a) 10-15°C(b) 20-25°C (c) 25-30°C (d) 30-35°C
Last Answer : (b) 20-25°C
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 : Germination of undeveloped seeds is favored by: a. Warm temperature (>20°C) b. Gibberallic acid c. Low temperature (
Last Answer : 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 : Fats are solids at (A) 10°C (B) 20°C (C) 30°C (D) 40°C
Last Answer : Answer : B
Description : The bacteria which are able to grow at 0°C but which grow at 20°C to 30°C, are known as a. Psychrophiles b. Facultative psychrophiles c. Average psychrophiles d. Mesophiles
Last Answer : Ans: C
Description : A microbe that is a microaerophilic mesophile would grow optimally at and a. high 02; 30°C b. low 02; 20°C c. no 02; 30°C d. low 02; 37°C
Last Answer : d. low 02; 37°C
Description : Lemons are usually degreened at: a. 6°C b. 16°C c. 26°C d. 30°C
Last Answer : 16°C
Description : High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ ... to 10 (B) 15 to 25 (C) 45 to 50 (D) 75 to 80
Last Answer : (C) 45 to 50
Description : At a temperature slightly above optimum, carbohydrates are ________: a. Produced b. Stored c. Utilized d. Increased
Last Answer : Utilized
Description : Optimum temperature of DNA polymerase of T. aquaticus is (A) 30°C (B) 37°C (C) 54°C (D) 72°C
Last Answer : Answer : D
Description : The optimum temperature for the Banana crop is— (A) 30°C (B) 23°C (C) 21•5°C (D) 26•5°C
Last Answer : (B) 23°C
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 : Tip burn of lettuce occurs at high air temperature when the soil is _______: a. Cool b. Dry c. Hot d. Wet
Last Answer : Cool
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 : 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 : 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 : In Pakistan, yield of potato range between : a. 10-15 ton b. 15-20 ton c. 20-25 ton d. 25-30 ton
Last Answer : 20-25 ton
Description : Shrubs fall in the category of a. 7-15 feet high b. 25 feet high c. More than 25 feet d. None of these
Last Answer : 7-15 feet high
Description : What is the optimum spacing required for planting onion seedlings during Rabi season? a. 25*25 cm B. 20*20 cm C. 5*5 cm D. 10*10 cm
Last Answer : D. 10*10 cm
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 : To make the living area of a landscape appear larger, a designer should include plants that feature: a. Warm-colored flowers such as reds, oranges, yellows b. Cool-colored flowers such as blues, purples, lavenders c. A combination of warm- and cool-colored flowers d. All white flowers
Last Answer : Cool-colored flowers such as blues, purples, lavenders
Description : To preserve the germination ability of most seeds, store them in a: a. Warm, dry environment b. Cool, dry environment c. Cool environment after scarification d. Warm, moist environment after stratificatio
Last Answer : Cool, dry environment
Description : What is the optimum temperature requirement for Germination in rice? a. 25-30 o C b. 30-35 o C c. 20-35 o C d. 15-20 o C
Last Answer : c. 20-35 o C