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 : 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 : 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 : 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 : 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 : Potato tuber growth is stopped at what temperature ? (a) 40°C — 42°C (b) 30°C — 32°C (c) 35°C — 37°C (d) 38°C – 40°C
Last Answer : (b) 30°C — 32°C
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 : 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 : 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 : 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 : Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. (A) 270 (B) 327 (C) 300 (D) 540
Last Answer : (B) 327
Description : Ginning is a term associated with which crop? a. Banana b. Coconut c. Cotton d. Potato e. Jute
Last Answer : c. Cotton
Description : Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C ... (B) Heating only (C) Both heating and humidification (D) Evaporative cooling
Last Answer : (C) Both heating and humidification
Description : _____is the nematode that causes the blackhead disease in banana crop? A. Pratylenchus coffee B. Heterodera oryzicola C. Radopholus similis D. Helicotylenchus multicinctus
Last Answer : C. Radopholus similis
Description : Which crop is called micronutrient loving crop A) Mango B) Citrus C) Banana D) Apple
Last Answer : C) Banana
Description : Optimum temperature for good rice crop growth is
Last Answer : Ans.30-320C
Description : Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled (A) And ... (C) At the same relative humidity (D) And dehumidified with decrease in wet bulb temperature
Last Answer : (D) And dehumidified with decrease in wet bulb temperature
Description : A wall has two layers of materials A and B; each made of a different material. Both the layers have the same thickness. The thermal conductivity of material A is twice that of B. Under the equilibrium, the temperature ... difference across the layer A is __________ °C. (A) 6 (B) 12 (C) 18 (D) 24
Last Answer : (B) 12
Description : The fertilized eggs of Catla take about _ to _ hrs for hatching at 30°C (a) 10 to 12 (b) 12 to 14 (c) 14 to 18 (d) 18 to 24
Last Answer : (d) 18 to 24
Description : The optimum temperature for sugarcane is (a) 21-27 °C (b) 14-29 °C (c) 25-30 °C (d) 28-34 °C
Last Answer : (b) 14-29 °C
Description : The optimum temperature for the germination of soybean is: (a) 11 OC (b) 20 OC(c) 15 OC (d) 22 OC
Last Answer : (d) 22 OC
Description : Which pH range is not suitable to grow the crop (a) Oats — 5.0 – 7.5 pH (b) Cotton — 6.0—7.5 pH (c) Bean ——6.0 — 8.0 pH(d) Potato —- 4.5-6.5 pH
Last Answer : (d) Potato —- 4.5-6.5 pH
Description : Which one of the following can be suitable for cropping as a wheat mixed crop? 1) Cabbage 2) Cotton 3) Mustard 4) Jowar
Last Answer : 3) Mustard
Description : Match the following : [IAS 1999] A. Cotton 1. Rainfall 1000-1500 mm; Temperature 40°-60°C B. Flax 2. Rainfall 1500-2000 mm; Temperature 25°-35°C C. Sugarbeet 3. Rainfall 600-S00 mm; Temperature 5°-18°C D. Jute 4. Rainfall 500-1000 mm; ... 1 3 4 2 (b) 2 3 5 4 (c) 4 5 2 1 (d) 4 3 5 2 shop.ssbcrack.com
Last Answer : Ans: (d)
Description : Air intake for an air compressor should be preferably taken from (A) A site, where cooling towers are located nearby (B) A site, where open coal yard in located nearby (C) An air conditioned room maintained at a temperature of 18°C (D) An outside atmosphere at 10°C
Last Answer : (D) An outside atmosphere at 10°C
Description : Normally the guaranteed best approach a cooling tower can achieve is _____. • 5°C • 12°C • 8°C • 2.8°C
Last Answer : 2.8°C
Description : A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is (a) 54°C (b) 327°C (c) 108°C (d) 654°C (e) 600°C
Last Answer : Answer : b
Description : The optimum seed rate of Blackgram in rice fallows of Andhra Pradesh ( Kg/ha) a] 10-15 b] 15-20 c] 25-30 d] 40-5
Last Answer : d] 40-50
Description : Tractor in small field gives a) high efficiencyb) low efficiency c ) normal efficiency d) optimum efficiency
Last Answer : b) low efficiency
Description : The optimum plant population per hectare of bajra is (a) 50,000 plants (b) 1,00,000 plants (c) 1,50,000 plants (d) 2,00,000 plants
Last Answer : (b) 1,00,000 plants
Description : The optimum time for kharif soybean planting is: (a) First fortnight of June (b) First fortnight of July (c) Second fortnight of June (d) Second fortnight of July
Last Answer : (b) First fortnight of July
Description : If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of - 23°C,then the Carnot COP will be (a) 0.2 (b) 1.2 (c) 5 (d) 6
Last Answer : Ans: d
Description : A refrigeration cycle operates between condenser temperature of + 27°C and evaporator temperature of- 23°C. TheCarnot coefficient of performance of cycle will be (a) 0.2 (b) 1.2 (c) 5 (d) 6
Last Answer : Ans: c
Description : A place having an average annual temperature of 27°C and an annual rainfall of over 200 cm.where is this?
Last Answer : Singapore
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 : Find the noise factor for an antenna at 27°C with equivalent noise temperature 30°K: (1) 20 (2) 100 (3) 300 (4) 1.1
Last Answer : Find the noise factor for an antenna at 27°C with equivalent noise temperature 30°K: 1.1
Description : ____ is a weather-based indicator for assessing crop development [a] Growing Degree Days [b] Thermal Death Point [c] Sun Clad [d] Heat Units [e] Temperature Inversion
Last Answer : [c] Sun Clad
Description : The Process of Removing Male Bud in Banana is technically called as? [a] Tipping [b] Disbudding [c] Threshing [d] Denavelling [e] All of the above
Last Answer : [e] All of the above
Description : Removal of male bud in banana is technically known as [a] Tipping [b] Disbudding [c] Threshing [d] Denavelling [e] All of the above
Description : The optimum temperature for better crop production is between
Last Answer : Ans. 18 – 24°C
Description : The optimum temperature range for sowing of wheat crop
Last Answer : Ans.20 to 25°C
Last Answer : Ans.18 – 240 C
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct? (a) Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. ( ... for higher yield. (d) Light saturation for CO2 fixation occurs at 10% of full sunlight.
Last Answer : (b) C3 plants respond to higher temperature with enhanced photosynthesis while C4 plants have much lower temperature optimum
Description : With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ? (1) Increasing atmospheric CO 2 concentration up to 0.05% can enhance CO 2 fixation ... for higher yield (4) Light saturation for CO 2 fixation occurs at 10% of full sunlight
Last Answer : (2) C 3 plants respond to higher temperatures with enhanced photosynthesis while C 4 plants have much lower temperature optimum
Description : Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread ? A. Temperature of about 25°C B. Temperature of about 5°C C. Relative humidity of about 5% D. Relative humidity of about 95% ... b) A, C and E only (c) A, D and E only (d) B, D and E only
Last Answer : (c) A, D and E only
Description : Which one of the following best describes the growth conditions for a typical fungus? a. pH 3; 23°C; no oxygen gas present b. pH 8; 30°C; no oxygen gas present c. pH 6; 30°C; oxygen gas present d. pH 3; 23°C; oxygen gas present
Last Answer : c. pH 6; 30°C; oxygen gas present
Description : How many grams of urea should be applied per plant in banana cultivation ?
Last Answer : Answer : In banana cultivation 500-650 gm urea is required per plant ?
Description : Which food is designated as “Boneless meat”? (A)Banana (B) Potato (C)Soybean (D) Tapioca
Last Answer : (C)Soybean
Description : Which of the following is nonclimacteric fruit? (A) Litchi (B) Mango (C) Banana (D) Apple
Last Answer : (D) Apple