Description : Soil air contains CO2 (%) (A)0.03 (B) 2.50 (C) 0.25 (D) 3.0
Last Answer : (C) 0.25
Description : The CO2 content of soil air is (A) 3% (B) 0.3 % (C)0.03% (D) 0.003%
Last Answer : B) 0.3 %
Description : The average concentration of carbon dioxide in the atmosphere is : (A) 0.03 ppm (B) 30 ppm (C)0.3 ppm (D) 300 ppm
Last Answer : (B) 30 ppm
Last Answer : (D) 300 ppm
Description : The contribution of Agricultural sector to the gross domestic product (GDP) in India in the year 2004-05 has been nearly (A) 25 % (B) 45 % (C) 35 % (D) 55 %
Last Answer : (A) 25 %
Description : Sulphur content (%) in potassium sulphate fertilizer is (a) 50(b) 22 (c) 17 (d) 12
Last Answer : (b) 22
Description : According to Whitney's theory, ultimate strain of concrete is assumed to be (A) 0.03 % (B) 0.1 % (C) 0.3 % (D) 3 %
Last Answer : Answer: Option C
Description : The soil having PD 2.50 g/cc and BD 1.25 g/cc will have _____ % porosity.
Last Answer : Ans. 50
Description : Percentage of mineral matter in milk is about :- a. 1 % b. 0.7 % c. 1.5 % d. 0.05 %
Last Answer : c. 1.5 %
Description : Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these
Last Answer : Answer: Option B
Description : Wrought iron contains carbon upto (A) 0.25 % (B) 1.0 % (C) 1.5 % (D) 2 %
Last Answer : Answer: Option A
Description : he soil which is found in the areas having heavy rainfall and high humidity, contains large quantity of organic matter and heavy and black in colour – a. Black soil b. Peat soil c. Forest soil d. Laterite soil
Last Answer : b. Peat soil
Description : For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is (A) 1 (B) -0.5 (C) -0.25 (D) 0
Last Answer : (C) -0.25
Description : High carbon steel having carbon content about (A) 0.25 % (B) 0.25 – 0.50 % (C) 0.50 – 1.5 % (D) 2.5 - 4.5 %
Last Answer : (C) 0.50 – 1.5 %
Description : Medium Carbon steel was carbon content about (A) 0.25 % (B) 0.25 – 0.50 % (C) 0.50 – 1.5 % (D) 2.5 – 4.5 %
Last Answer : (B) 0.25 – 0.50 %
Description : Carbon content in the cast iron is (A) 2.5 – 4.5 % (B) 0 – 0.25 % (C) 0.25 – 0.50 % (D) 0.50 – 1.5 %
Last Answer : (B) 0 – 0.25 %
Description : If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is (A) 25 % (B) 40 % (C) 60 % (D) 75 %
Last Answer : Answer: Option D
Description : Degree of saturation of a natural soil deposit having water content 15%, specific gravity 2.50 and void ratio 0.5, is (A) 50 % (B) 60 % (C) 75 % (D) 80 %
Last Answer : (C) 75 %
Description : Agricultural tractors are generally having horse power (h.p.)— (A) 20-50 (B) 50-70 (C) 10-15 (D) 20-25
Last Answer : (C) 10-15
Description : In India post-harvest losses of fruit and vegetable is… per cent of the total production. a) 15-20 b) 50-50 c) 40-45 d) 25-30
Last Answer : a) 15-20
Description : The disc angle of a disc plough ranges from? [a] 40-45 degree [b] 30-35 degree [c] 20-25 degree [d] 45-50 degree [e] None of the above
Last Answer : [a] 40-45 degree
Description : Depending upon the size of the tractor the width of the tracks varies for a) 10-50 cm b) 15.50 cm c) 20 – 25 cm d) 25-50 cm
Last Answer : c) 20 – 25 cm
Description : If the spark plugs have become found it should be cleaned after working hours of a) 25 hours b) 30 hours c) 40 hours d) 50 hours
Last Answer : d) 50 hours
Description : The economical diesel fuels have got octane rating varying from a) 30 to 50 b) 30 to 60 c) 20 to 30 d) 25 to 30
Last Answer : b) 30 to 60
Description : Protein content in cow colostrum(%) a 10 b 12.8 c 14.7 d 16
Last Answer : b 12.8
Description : SNF ( Solid not fat) % of cow? a 7.5 b 8.3 c 9 d 9.2
Last Answer : b 8.3
Description : Maximum fat (%) in milk of (a) Murrah (b) Mehsana (c) Bhadawari (d) Zafrabadi
Last Answer : (c) Bhadawari
Description : India produces which percent of world oil seeds? a. 10 % b. 20% c. 30 % d. 15%
Last Answer : a. 10 %
Description : Average yearly load on the tractor should not exceed its rated load up to a) 70% b) 72% c) 75 % d) 78%
Last Answer : c) 75 %
Description : The inland fish production is almost how much % of total fish production in India (a) Over 50% (b) 30% (c) 20% (d) 40%
Last Answer : (a) Over 50%
Description : Percentage of water in buffalo milk is:- a. 65-67 % b. 70-75 % c. 80-85 % d. 87-90 %
Last Answer : d. 87-90 %
Description : Rice covers how much % of total arable area of world (a) 5% (b) 6% (c) 9% (d) 10%
Last Answer : (d) 10%
Description : Protein content in cashew kernel? a 21 % b 18 % c 24 % d 26 %
Last Answer : a 21 %
Description : Dolomite is a lime stone which contains carbonate of magnesia upto (A) 15 % (B) 20 % (C) 25 % (D) 45 %
Description : Air contains volume of carbon dioxide approximately _____. A. 3 % B. 33% C. 0.3 % D. 0.03%
Last Answer : ANSWER: D
Description : Air contains volume of carbon dioxide approximately _____. A. 3 % B. 33% C. 0.3 % 20 D. 0.03%
Description : The soil contains —- % organic matter a. 25 b. 58 c. 5 d. 65
Last Answer : c. 5
Description : Which of the following gases contributes maximum to global warming? (A) CFC (B) CO2 (C) Methane (D) NO 2
Last Answer : (C) Methane
Description : CO2 accepter in C4 plants is (A) PGA (B) RuBP (C)OAA (D) All
Last Answer : (C)OAA
Description : Global warming is attributed to increase in concentration of green house gases like (A) CO2 (B) CFCs (C)CH4 (D) All of these
Last Answer : (D) All of these
Description : Why must one control green plant growth in aquaculture or fish farming? [a] Plants compete with fish for available DO [b] Plants compete with fish for available O2 [c] Plants compete with fish for available CO2 [d] All of these [e] None of the above
Last Answer : [a] Plants compete with fish for available DO
Description : Which of the following is correct about the photorespiration? a. Photorespiration is more efficient in synthesizing glucose than photosynthesis. b. C3 plants are best adapted to handle c. ... During photorespiration plants use oxygen to break down carbohydrates and release e. All of these
Last Answer : c. Photorespiration is likely to occur when oxygen level is high and CO2 level is
Description : Which harmful gas is emitted by masonry building materials, even ground water? (a) H2S (b) Radon (c) Ammonia (d) CO2
Last Answer : (b) Radon
Description : Which one of the following is a most harmful pollutant by automobiles? (a) SO2 (b) CO (c) N2O (d) CO2
Last Answer : (b) CO
Description : Acid rains are due to which of the following gases? (a) CO2 and CO (b) Ozone and CO2(c) NO2 and SO2 (d) NH3 and CO2
Last Answer : (c) NO2 and SO2
Description : Which gas is released from paddy fields? a) CO2 b) H2S c) CH4 d) NH3
Last Answer : c) CH4
Description : Iron absorption from a mixed diet is about (A) 1–5 % (B) 5–10 % (C) 20–25 % (D) 25–50 %
Last Answer : Answer : B
Description : The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is A. 25 % B. 50 % C. 10 % D. 5 %
Last Answer : ANS: B
Description : Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability (A) Increases by 25 % (B) Increases by 50 % (C) Increases by 33.3 % (D) Decreases by 33.3 %
Last Answer : (B) Increases by 50 %