Which of the following does not come under the category of’primary nutrient’ for plant growth? September 7, 2025 by Admin Potassium Nitrogen Phosphorous Sulphur ✅ The correct answer is option D.
Which nutrient in fertiliser makes the plant stems stronger and increases branching? September 7, 2025 by Admin Nitrogen Phosphorous Potassium Calcium ✅ The correct answer is option B.
pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant. September 7, 2025 by Admin 4-May 7-Aug 9-Oct Dec-13 ✅ The correct answer is option B.
Electric furnace method for production of phosphorous uses phosphate rock September 7, 2025 by Admin And phosphoric acid And coke And sulphuric acid Silica and coke ✅ The correct answer is option D.
Reaction of orthophosphoric acid with soda ash produces September 7, 2025 by Admin Sodium tripolyphosphate (STPP) Tricresyl phosphate Tributyl phosphate Nitrophosphate ✅ The correct answer is option A.
In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed. September 7, 2025 by Admin Fauser-Monte Catini Claude Udhe Kellog ✅ The correct answer is option B.
Heavy water used in the nuclear reactors to slow down the speed of neutrons is September 7, 2025 by Admin highly purified water. a compound of oxygen and deuterium. water having dissolved salts of heavy metals. none of these. ✅ The correct answer is option B.
Uranium is recovered from its ore (pitchblende) by September 7, 2025 by Admin froth floatation technique. leaching with sulphuric acid. smelting in a furnace. dissolving in water. ✅ The correct answer is option B.
Which of the following accounts for the maximum energy release in the nuclear fission process ? September 7, 2025 by Admin Kinetic energy of fission products Radioactive decay of fission products Instantaneous release of γ-rays Kinetic energy of neutrons ✅ The correct answer is option A.
Which of the following is not a naturally occurring nuclear fuel ? September 7, 2025 by Admin Uranium-238 Thorium-233 Plutonium-239 None of these ✅ The correct answer is option C.