Description : Whip tail disease of cauliflower is caused by deficiency of— (A) Nitrogen (B) Boron (C) Molybdenum (D) Zinc
Last Answer : (C) Molybdenum
Description : In which of the following all three are macronutrients? (a) Molybdenum, magnesium, manganese (b) Nitrogen, nickel, phosphorus (c) Boron, zinc, manganese (d) Iron, copper, molybdenum
Last Answer : (d) Iron, copper, molybdenum
Description : Which one of the following crops is sensitive to salt as well as boron in soil and water ? (A) Grape (B) Sugar beet (C) Carrot (D) Cotton (E) None of these
Last Answer : (B) Sugar beet
Description : Which one of the following element is mobile in plants but immobile in soil ? (A) Sulphur (B) Zinc (C) Boron (D) Phosphorus
Last Answer : (D) Phosphorus
Description : Red soil is poor in which of the following nutrients ? (A) Phosphorus and Sulphur (B) Phosphorus and Nitrogen (C) Nitrogen and Zinc (D) Nitrogen and Potassium
Last Answer : (D) Nitrogen and Potassium
Description : What is the main function of zinc in the plants ? (A) Synthesis of nitrogen (B) Synthesis of phosphorus (C) Required for synthesis of Tryptophos (D) To increase activity of the boron
Last Answer : (C) Required for synthesis of Tryptophos
Description : Tarai soils are generally deficient in:? a Zinc b Nitrogen c Phosphorus d Potash
Last Answer : a Zinc
Description : Which of the following plant shows chloroplast dimorphism? (1) Sugar beet (2) Rice (3) Wheat (4) Sugarcane
Last Answer : (4) Sugarcane Explanation: Certain plans which possess the C4 dicarboxylic acid pathway of CO2 fixations show a structural dimorphism of chloroplast structure. Sugarcane is a common ... enzyme (Decarboxylation). The pyruvic acid is then transported to mesophyll chloroplasts (Transportation).
Last Answer : Sugarcane
Description : The nutrient involved in the biosysnthesis of oil in oilseed crop is a] Calciumb] Magnesium c] Sulphur d] Molybdenum
Last Answer : c] Sulphur
Description : Which of the following has no effect on the carbide forming tendency insteels? (A) Molybdenum (B) Phosphorus (C) Chromium (D) Vanadium
Last Answer : (B) Phosphorus
Description : The permanent preservative, which is used for preservation of fruit and vegetables, is— (A) Sodium chloride (B) Potassium metabisulphate (C) Potassium sulphate (D) Sugar
Last Answer : (B) Potassium metabisulphate
Description : Acrodermatitis enteropathica is due to defective absorption of (A) Manganese (B) Molybdenum (C) Iodine (D) Zinc
Last Answer : Answer : D
Description : Which one of the following mineral elements play an important role in biological nitrogen fixation a. Copper b. Magnesium c. Zinc d. Molybdenum
Last Answer : Ans: D
Description : Monel metal is an alloy of (A) Molybdenum and nickel (B) Nickel and copper (C) Molybdenum and aluminium (D) Molybdenum and zinc
Last Answer : (B) Nickel and copper
Description : Nickel base alloys with __________ are known as monel metal. (A) Zinc (B) Tin (C) Copper (D) Molybdenum
Last Answer : (C) Copper
Description : Which of the following elements plays an important role in biological nitrogen fixation? (a) Copper (b) Molybdenum (c) Zinc (d) Manganese
Last Answer : b) Molybdenum
Description : An element playing important role in nitrogen fixation is (a) molybdenum (b) copper (c) manganese (d) zinc
Last Answer : (a) Molybdenum
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
Last Answer : of course, but not only her (beetroot (cooked))
Description : The residue left after extracting juice from sugar beet and sugarcane is called – (1) molasses (2) bagasse (3) whey (4) biomass
Last Answer : (2) bagasse Explanation: Bagasse is the fibrous matter that remains after sugarcane or sorghum stalks are crushed to extract their juice. It is currently used as a biofuel and in the manufacture of ... , the quantity of production in each country is in line with the quantity of sugarcane produced.
Description : An example of elution is (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank (B) Separation of sugar from sugar beet by hot water (C) Dissolution of tannin out of tree barks by water (D) Recovery of vegetable oils from seeds
Last Answer : (A) Separation of uranium oxide from its ore by H2SO4 in a Pachuca tank
Description : Pick out the wrong statement pertaining to leaching. (A) Fine solids cannot be leached in a Pachuca tank (B) Door classifier can be used for leaching of coarse solids (C) Vegetable seeds can be ... , Rotocel or Kennedy extractor (D) Very high temperature is not needed for the leaching of sugar beet
Last Answer : (A) Fine solids cannot be leached in a Pachuca tank
Description : Which of the following operations does not involve leaching? (A) Dissolving gold from ores (B) Dissolving pharmaceutical products from bark or roots (C) Dissolving sugar from the cells of the beet (D) Removing nicotine from its water solution by kerosene
Last Answer : (D) Removing nicotine from its water solution by kerosene
Description : Ratoon cropping is most popular in a. Sugarcane b. Wheat c. Rice d. Sugar Beet
Last Answer : a. Sugarcane
Description : Which of the following crop shows protandry condition ? a. Onion b. Maize c. Sugar Beet d. All of these
Last Answer : d. All of these
Description : Pick out the wrong statement. (A) Wine, rum & Vodka are prepared by the formulation of fruit juice, sugar beet & rye respectively (B) Protein catalysts are called enzymes (C) The rate ... concentration of reactants at high concentration of enzymes (D) Total sugar content in molasses is about 10%
Last Answer : (D) Total sugar content in molasses is about 10%
Description : Sunflower is also known as an individual plant for the deficiency of (A) Nitrogen (B) Zinc (C) Boron (D) Potash
Last Answer : (A) Nitrogen
Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.
Last Answer : (c) phosphorus, potassium, sulphur, calcium
Description : Plants absorb phosphorus in the form of (A) H2PO4 (B) PO4 (C) SSP (D) P
Last Answer : (A) H2PO4
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 : Which one of the following is a micro nutrient in the soil? A. Nitrogen B. Iron C. Phosphorus D. Calcium
Last Answer : B. Iron
Description : The deficiency of this element leads to older leaves turning purple in colour on the underside. Identify the mineral? [a] Calcium [b] Phosphorus [c] Potassium [d] Iron [e] None of the above
Last Answer : [c] Potassium
Description : Which of the following elements is not present in a nitrogenous base? (a) Hydrogen (b) Carbon (c) Phosphorus (d) Nitrogen
Last Answer : (c) Phosphorus
Description : Soils of Western Rajasthan have a high content of a) Aluminium b) Calcium c) Nitrogen d) Phosphorus
Last Answer : b) Calcium
Description : Application of Phosphorus and Sulphur increase a Better nodulation b Better growth c Better yield d All
Last Answer : d All
Description : Which element is involved in biosynthesis of IAA ? (A) Nitrogen (B) Boron (C) Zinc (D) Copper
Last Answer : (C) Zinc
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 : Alkali soils are treated with gypsum to correct the deficiency of- (a) Sulphur (b) Calcium (c) Magnesium (d) Zinc
Last Answer : (b) Calcium
Description : Zinc Sulphate (ZnSO 4 ) should not be mixed with— (A) D.A.P. (B) Compost fertilizer (C) Ammonium Chloride (D) Urea
Last Answer : (A) D.A.P.
Description : In cabbage, cauliflower and broccoli, hollow stems with darkened interiors are most often caused by? (Agriculture MCQ) [a] Calcium deficiency [b] Chilling temperatures [c] Boron deficiency [d] Magnesium deficiency [e] Zinc deficiency
Last Answer : [c] Boron deficiency
Description : The khaira disease of rice is caused due to deficiency of which of the following? [a] Zinc [b] Nickel [c] Nitrogen [d] Sulphur [e] None of the above
Last Answer : [d] Sulphur
Description : Although a deficiency of any one of the elements listed may result in chlorosis, only one of these elements is an element found in chlorophyll. Which is it?(a) Zinc (b) Iron (c) Magnesium (d) Chloride
Last Answer : (c) Magnesium
Description : Khaira disease of rice can be controlled by spraying – 1) Copper sulphate 2) Calcium sulphate 3) Zinc sulphate 4) Borax
Last Answer : 3) Zinc sulphate
Description : Bone is used as a fertiliser because it contains the plant nutrient (1) Nitrogen (2) Phosphorus (3) Sodium (4) Calcium
Last Answer : Phosphorus
Description : Gun metal is an alloy of (A) Nickel, tin and copper (B) Copper, tin and zinc (C) Copper, phosphorus and nickel (D) Manganese, phosphorus and nickel
Last Answer : (B) Copper, tin and zinc
Description : The beetroot is the portion of the beet plant - (1) tap root (2) adventitious (3) bulb of the stem (4) rhizome
Last Answer : (1) tap root Explanation: The beetroot is the taproot portion of the beet plant. Beet plant it is one of several of the cultivated varieties of Beta vulgar is grown for their edible taproots and their leaves (called beet greens).
Description : What is the colour of indicator in sodium hydroxide solution?
Last Answer : The pH-paper Merck Art. 9565 is red to violet.
Description : Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? (1) Methylene blue (2) Methyl red (3) Phenolphthaline (4) Methyl orange
Last Answer : Methyl orange