General Science » Exercise – 1
131. The major ingredient of leather is
(a) collagen
(b) carbohydrate
(c) polymer
(d) nucleic acid
| Subject Name : General Science |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, College Lecturer |
| General Science Books |
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