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151. Steroid is
A. Cholesterol
B. Thyroxine
C. Vitamin A
D. Fatty acid ester
Explanation:
152. Night blooming flowers are
A. Reddish or yellowish coloured
B. Scented and white coloured
C. Nonscented and blue coloured
D. Purplish coloured and scented
Explanation:
153. Which are purines
A. Adenine and guanine
B. Adenine and thymine
C. Cytosine and thymine
D. Cytosine and guanine
Explanation:
154. A nucleotide is formed of
A. Purine, pyrimidine and phosphate
B. Purine, sugar and phosphate
C. Nitrogen base, sugar and phosphate
D. Pyrimidine, sugar and phosphate
Explanation:
155. Succulence of desert plants is due to
A. Storage of water
B. Presence of mucilage
C. Both A and B
D. Absence of mechanical tissues
Explanation: