Q1241.Milk openly placed for sometime becomes sour due to
Correct answer: Lactic acid
Q1242.Which one of the following acids is present in sour milk products?
Correct answer: Lactic acid
Q1243.Which one of the following acids, is formed during the change of milk into curd?
Correct answer: Lactic acid
Q1244.Curd making is an ancient ‘Biotechnological’ process involving
Correct answer: Bacteria
Q1245.Which of the following oil is an extract of clove oil?
Correct answer: Eugenol
Q1246.Which one of the following fruits is most suitable for jelly making?
Correct answer: Gauva
Q1247.Organic food is supposed to be better for us because it
Correct answer: is grown without the use of artificial fertilizers and pesticides
Q1248.What is detergent?
Correct answer: Refining agent
Q1249.Which one of the following is used in the manufacture of soaps?
Correct answer: Vegetable oil
Q1250.Soap removes grease by
Correct answer: Emulsification
Q1251.Assertion (A): Detergent easily removes oil and dirt from dirty garments. Reason (R): Detergent increases the surface tension of water. Code
Correct answer: (A) is true, but (R) is false
Q1252.Assertion (A): Synthetic detergents can make more lather in hard water. Reason (R): Synthetic detergents form soluble calcium and magnesium salts with hard water. Code
Correct answer: Both (A) and (R) are true and (R) is the correct explanation of
Q1253.Consider the following statements. Sodium silicate and sodium sulphate are mixed as detergents in washing powders so that 1. To maintain dryness of the powder. 2. To maintain the basicity of powder. Which of the following statement is correc?
Correct answer: Both 1 and 2
Q1254.Which one of the following fertilizers leaves maximum acidity in the soil?
Correct answer: Ammonium Sulphate
Q1255.The percentage of nitrogen in urea is
Correct answer: 47%
Q1256.For wheat cultivation which fertilizer is used?
Correct answer: Nitrogen
Q1257.The element not present in fertilizers is
Correct answer: Hydrogen
Q1258.Which form of nitrogen is available in urea?
Correct answer: Amide
Q1259.The plants receive Nitrogen in form of
Correct answer: Nitrate
Q1260.Which of the following is consumed in the manufacture of urea fertilizer?
Correct answer: Carbon dioxide
Syllabus roadmap
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01
General practice
Topic-wise questions and study coverage will appear here.