General Science – Biology MCQs

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126. Apart from sugarcane (most commonly Saccharum officinarum) which among the following plants is widely known in the world as a commercial source of table sugar?

(A) Toona ciliate
(B) Gloriosa superba
(C) Asparagus plumosus
(D) Beta vulgaris

Correct Answer: (D) Beta vulgaris

Answer Explanation:

Beta vulgaris is beet or sugarbeet or Chukandar and has been widely used as a commercial crop for table sugar. Glorisoa superba is Glory Lily which is an ornamental plant. Asparagus pulmosus is also an ornamental plant. Brassica alba is common mustard. Toona cilata is a timber plant from which Indian Redwood is obtained.

127. For purity of which of the following commodity is expressed in ICUMSA numbers?

(A) Refined Edible Oil
(B) Refined Edible Sugar
(C) Refined Vegetable Oil
(D) Milk

Correct Answer: (B) Refined Edible Sugar

128. From which part, Coconut coir is obtained?

(A) Epicarp
(B) Mesocarp
(C) Endocarp
(D) Seed

Correct Answer: (B) Mesocarp

129. Which of the following plants have respiratory roots?

(A) Marshy Plants
(B) Mangroves
(C) Epiphytes
(D) Submerged Hydrophytes

Correct Answer: (B) Mangroves

130. From which part of the plant Glycyrrhiza glabra, Liquorice or Mulethi is obtained?

(A) Leaves
(B) Roots
(C) Fruits
(D) Stem

Correct Answer: (B) Roots

Answer Explanation:

Mulethi is powdered liquorice root and is an effective expectorant used since ancient times in Ayurvedic medicines. Its is also used in Jastimadhu which is a tooth powder. many cough syrups today contain Liquorice as an ingredient. It is also used in mouth ulcers and peptic ulcers.

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