Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली
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Biological Classification And System Of Classification / जैविक वर्गीकरण और वर्गीकरण की प्रणाली
Question Bank
Photosynthetic and Consumer Protists
question_answer
Diatom frustule/shell is made of [BHU 1998; Manipal 2001]
A) Silica
B) Lime
C) Magnesium carbonate
D) Any of the above
Correct Answer:
A
Solution :
Frustule of diatoms is made of silica, cellulose and pectic compounds.