Description : Use of gypsum is most beneficial in— (A) Saline soils (B) Alkali/Sodic soils (C) Acid soils (D) None of these
Last Answer : (B) Alkali/Sodic soils
Description : In which soils, lime is used as soil amendment ? (A) Alkali (B) Acid (C) Saline (D) Saline-Alkali solis
Last Answer : (B) Acid
Description : White alkali soils are — a. Acidic soil b. Sodic soil c. Saline soil d. Saline Sodic soil
Last Answer : c. Saline soil
Description : ___ soil is also known by different names like Reh, Kallar and Usar? a Peaty and Marshy Soils b Saline and Alkaline Soil c Red soils d Alluvial Soil e Laterite Soil
Last Answer : c Red soils
Description : Which fertilizer is most beneficial for alkali soils? (a) Urea (b) Ammonium sulphate (c) Calcium ammonium nitrate (d) Ammonium nitrate
Last Answer : (c) Calcium ammonium nitrate
Description : Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc
Last Answer : (b) Calcium
Description : Phosphorus is generally fixed in acid soils in the form of— (A) Calcium Phosphate (B) Zn Phosphate (C) Aluminium Phosphate (D) None of these
Last Answer : (C) Aluminium Phosphate
Description : The average carbon / nitrogen ratio of soils is generally...... (A) 25 : 1 (B) 5 : 1 (C) 30 : 1 (D) 14 : 1 (E) None of these
Last Answer : (C) 30 : 1
Description : Tarai soils are generally deficient in:? a Zinc b Nitrogen c Phosphorus d Potash
Last Answer : a Zinc
Description : Soils with high pH are generally deficient in:? a Zn and Mn b B and Fe c Cu and Mo d Ca and Mg
Last Answer : a Zn and Mn
Description : The saline – alkali soil is also known as
Last Answer : Ans. Usar
Description : Which micro-nutrient is most deficient in Indo-Gangatic alluvium soils? (a) Iron (b) Zinc (c) Copper (d) Manganese
Last Answer : (d) Manganese
Description : Tarai soils are high in:? a Iron b Sodium c Organic matter d Calcium
Last Answer : c Organic matter
Description : Identify the type of soil on the basis of the given characteristics - 1. They are rich in lime, iron, magnesia and alumina. 2. They are generally clayey, deep and impermeable. 3. They are mainly found ... the given alternatives - a. Laterite soil b. Red and yellow soil c. Saline soil d. Black soil
Last Answer : d. Black soil
Description : Rock phosphates are used in— (A) Saline soil (B) Sodic soil (C) Acidic soil (D) Neutral soil
Last Answer : (C) Acidic soil
Description : Which of the following is not matched ? (a) Varuna —lrrigated or unirrigated condition (b) Vardan—Un.irrigated condition (c) Narendra•85 —Saline soil (d) K-88-Black grain
Last Answer : (d) K-88-Black grain
Description : Which of the following types of soils is found throughout India in all climatic zones? (a) Saline and Alkaline soils (b) Red soils (c) Laterite soils (d) Alluvial soils
Last Answer : Ans: (a)
Description : Which one the following soils is used for the production of bricks? (1) Peaty and organic (2) Saline (3) Laterite (4) Red and yellow
Last Answer : (4) Red and yellow Explanation: Red Soil is also known as yellow soil. Red soils are formed as a result of the draining down of old crystalline rock, less clayey and sandier in nature. Red clay soil are used for the production of bricks.
Description : Saline and alkaline soils in India are also called as – (1) Kallar (2) Khadar (3) Regur (4) Bangar
Last Answer : (1) Kallar Explanation: Regur of Black Cotton Earth soil refers to the dark coloured volcanic soil. Saline and alkaline soils in India are also called as kallar.
Description : Gypsum is used for improvement of: (1) Alkaline soils (2) Saline soils (3) (3) Podsols (4) (4) Acidic soils
Last Answer : (2) Saline soils Explanatioqn: Gypsum is calcium sulfate which is essential to the sustainability of most irrigated soils. Irrigated land eventually leads to sodieity and salinity unless extreme care is ... improves sodic (saline) soils by removing sodium from the soil and replacing it with calcium.
Description : In high rainfall area soils are — a. Acidic b. Saline soil c. Alkaline d. Black
Last Answer : a. Acidic
Description : Gypsum is used for improvement of: (1) Alkaline soils (2) Saline soils (3) Podsols (4) Acidic soils
Last Answer : Saline soils
Description : Which one the following soils is used for the production of bricks ? (1) Peaty and organic (2) Saline (3) Laterite (4) Red and yellow
Last Answer : Red and yellow
Description : Which fertilizer is most beneficial for alkali soils?
Last Answer : Ans. Ammonium sulphate
Description : Alluvial soils are found in : (A) Deserts (B) Forests (C) River delta (D) Mountains
Last Answer : (C) River delta
Description : A cabbage disease which is known to be more severe in acidic soils is? a. Club foot b. Yellows c. Black rot d. Damning off
Last Answer : a. Club foot
Description : For operating rotavator in trashy soils, which lines are better? (a) L-shaped (b) Hook shaped (c) Backward curved (d) Straight blade
Last Answer : (a) L-shaped
Description : Soils of Western Rajasthan have a high content of a) Aluminium b) Calcium c) Nitrogen d) Phosphorus
Last Answer : b) Calcium
Description : Maximum density of water exists at (a) 0°C (b) 4°C (c) 40°C (d) 100°C
Last Answer : (b) 4°C
Description : __________ plant emits large amount of SO2 as an air pollutant. (A) Nitric acid (B) Sulphuric acid (C) Chlor alkali (D) Iron & steel
Last Answer : (B) Sulphuric acid
Description : How rusting of iron is quicker in saline water?
Last Answer : Need answer
Description : Rusting of iron is quicker in saline water than in ordinary water. Why is it so ?
Last Answer : Ans. In saline water, NaCl helps water to dissociate into H+ and OH– . Greater the number of H+ , quicker will be rusting of Iron.
Description : Aflatoxin contamination generally found in (A) Arher (B) Groundnut (C) Chickpea (D) Soybean
Last Answer : (B) Groundnut
Description : Tilt angle of a disc plough is generally— (A) 10° (B) 15° (C) 20° (D) 45°
Last Answer : (D) 45°
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 : Drip’ irrigation is generally followed in the country—(A) Israel (B) America (C) Australia (D) Japan
Last Answer : (A) Israel
Description : Which type of Tillage is done at a depth of 4–5 cm by tractor cultivators, generally done at Pre-emergence stage? [a] Blind Tillage [b] Green Tillage [c] Clean Tillage [d] Mulch Tillage [e] None of the above
Last Answer : [c] Clean Tillage
Description : Balanced fertilizer used at the macro level in India is generally equated with a nutrient consumption ratio of? a. 4:2:1 b. 3:2:1 c. 1:2:3 d. 2:3:4
Last Answer : a. 4:2:1
Description : Generally the gap between the contact breaker points is kept between a) 0 .1 to 0.3 mm b) 0.2 and 0.4 mm c) 0.3 and 0.5 mm d) 0 .4 and 0.6 mm
Last Answer : c) 0.3 and 0.5 mm
Description : Where the intensity of dust is not severe generally pre- cleaners a placed above the tractor hood about a) 35 cm b) 40 cm c) 45 cm d) 50 cm
Last Answer : a) 35 cm
Description : The rate of weathering is generally high in (a) Arid tropical climate (b) Arid temperate climate (c) Humid tropical climate (d) Humid temperature climate
Last Answer : (c) Humid tropical climate
Description : Generally during summer and khurq’ seasons annual plants produce bloom in how many days ? (a) 60 — 70 days (b) 70 —— 80 days (c) 70 — 75 days (d) 50 – 60 days
Last Answer : (c) 70 — 75 days
Description : Generally, cereals are deficient in – a) Protein b) Tryptophan c) Methionine d) Lysine
Last Answer : a) Protein
Description : Assertion: Uric acid is produced by the metabolism of purine and pyrimidine. Reason: Uric acid has high toxicity and is soluble in water.
Last Answer : Assertion: Uric acid is produced by the metabolism of purine and pyrimidine. Reason: Uric acid has ... D. If both Assertion and Reason are false
Description : Methotrexate has the following attributes except: A. It is cell cycle specific and kills cells in the S phase B. Its toxicity primarily affects bone marrow and epithelial structures C. Folic acid reverses its toxic effects D. It is the drug of choice for choriocarcinoma
Last Answer : C. Folic acid reverses its toxic effects
Description : Folinic acid is specifically indicated for: A. Prophylaxis of neural tube defect in the offspring of women receiving anticonvulsant medication B. Counteracting toxicity of high dose methotrexate C. Pernicious anaemia D. Anaemia associated with renal failure
Last Answer : C. Pernicious anaemia
Description : Toxicity of mercury and cadmium is being reversed by protein mainly using the amino acid residue ____________. (a) Cysteine (b) Glycine (c) Lewcine (d) Lysine
Last Answer : (a) Cysteine
Description : Which of the following characteristics is not true of alluvial soils? (a) These vary from sandy loam to clay in texture (b) These are generally rich in phosphorus but poor in potash (c) These are usually fine grained (d) These are by far the most fertile
Last Answer : Ans: (b)
Description : Marshy soils are generally deficient of
Last Answer : Ans. Zn
Description : Peaty soils are generally deficient of
Last Answer : Ans. Cu