Q1261.Why does the Government of India promote the use of ‘Neem-coated Urea’ in agriculture?
Correct answer: Neem coating slows down the rate of dissolution of urea in the soil
Q1262.What percentage of phosphorus (P2S5) and Nitrogen (N) is present in DAP?
Correct answer: 18% N and 46% P2O5
Q1263.Which one of the following is a mixed fertilizer?
Correct answer: Ammonium Sulphate
Q1264.Which of the following is not a chemical fertilizer?
Correct answer: Sodium Sulphate
Q1265.The most popular fertilizer for foliar application is
Correct answer: Urea
Q1266.‘Humus’ is an example of
Correct answer: Organic colloids
Q1267.The most suitable crop for green manuring is
Correct answer: Sunhemp
Q1268.What can be the impact of the excessive/inappropriate use of nitrogenous fertilizers in agriculture? 1. The proliferation of nitrogenfixing microorganisms in soil can occur. 2. The increase in the acidity of soil can take place. 3. Leaching of nitrate to the ground water can occur. Select the correct answer using the code given below.
Correct answer: Only 2 and 3
Q1269.Which gas is used in fire extinguisher?
Correct answer: Carbon dioxide
Q1270.In the ordinary fire extinguisher, carbon dioxide is generated by the reaction of
Correct answer: Sodium bicarbonate and dilute sulphuric acid
Q1271.Which one of the following pairs is not correctly matched?
Correct answer: Synthesis of transuranic elements - Enrico Fermi
Q1272.An active chemical to remove mosquitoes is
Correct answer: Allethrins
Q1273.Which one of the following compounds is used to make fireproof clothing?
Correct answer: Aluminium Sulphate
Q1274.Which of the following is used as a mosquito repellent?
Correct answer: Pyrethrum
Q1275.Pyrethrin used in mosquito coil is obtained from
Correct answer: A seed plant
Q1276.Which chemical substance is used for making rat poison?
Correct answer: Potassium Cyanide
Q1277.Which one of the following is used as rat poison?
Correct answer: Zinc Phosphide
Q1278.Rodenticide is the chemical which is used to control.
Correct answer: Mouse
Q1279.Aluminium Phosphide is used as
Correct answer: Insecticide
Q1280.Isotope 6C14 is associated with
Correct answer: Determining the age of fossil
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01
General practice
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