Food Preservation, Nutrition, Medicine

31. Which of the following is an extract of clove oil? [U.P.U.D.A./L.D.A. (Spl) (Mains) 2010, I.A.S. (Pre) 2005]

(a) Metheol
(b) Eugenol
(c) Methanol
(d) Benzaldehyde

Correct Answer: (b) Eugenol

Solution:

Eugenol is a colorless or light yellow oil extract from clove oil, having the chemical formula C₁₀H₁₂O₂. It smells like cloves with a spicy pungent taste.

32. Which one of the following fruits is most suitable for jelly making? [U.P.P.C.S. (Main) 2013]

(a) Mango
(b) Papaya
(c) Guava
(d) Wood Apple

Correct Answer: (c) Guava

Solution:

Smaller acidic fruits are more suitable for jelly making since they are usually high in pectin content and acid. Guavas have high calcium and phosphorus contents. High pectin contents make guava suitable for jelly making.

33. Organic food is supposed to be better for us because it: [U.P.P.S.C. (R.I.) 2014]

(a) Relies on chemicals to improve the flavor
(b) Is more expensive to buy
(c) Is grown in glasshouses keeping it clean of environmental pollutants.
(d) Is grown without the use of artificial fertilizers and pesticides.

Correct Answer: (d) Is grown without the use of artificial fertilizers and pesticides.

Solution:

Organic food is produced by farmers who emphasize the use of renewable resources and the conservation of soil and water to enhance environmental quality for future generations. Organic food is produced without using most conventional pesticides; fertilizers made with synthetic ingredients, sewage sludge, bioengineering, or ionizing radiation.

Food Preservation, Nutrition, Medicine

31. Which of the following is an extract of clove oil? [U.P.U.D.A./L.D.A. (Spl) (Mains) 2010, I.A.S. (Pre) 2005]

32. Which one of the following fruits is most suitable for jelly making? [U.P.P.C.S. (Main) 2013]

33. Organic food is supposed to be better for us because it: [U.P.P.S.C. (R.I.) 2014]

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