101.
Match the following agricultural/food by-products in Column I with their respective value added products in Column II.
| Column I | Column II |
|---|---|
| P. Banana pseudostem | 1. Silicon tetrachloride |
| Q. Coconut shell | 2. Protein food |
| R. Meat waste | 3. Starch |
| S. Rice husk | 4. Furfural |
Exam Year(s)
GATE AG - 2018,
Answer: B
The match is P-3, Q-4, R-2, S-1.
- Banana pseudostem contains starch that can be extracted.
- Coconut shell is rich in pentosans, which on acid hydrolysis yield furfural.
- Meat waste is processed into protein foods and feeds.
- Rice husk is high in silica, the raw material for silicon tetrachloride.
The other options pair rice husk with furfural or coconut shell with starch, missing the husk's silica, which is its most distinctive value-added use.
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