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45. Fill in the blanks : (a) Cork cells possesses on their walls that makes it impervious to gases and water. (b) have tubular cells with perforated walls and are living in nature. (c) Bone possesses a hard matrix composed of and .

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 4 Years ago

(a) suberin (b) Sieve tubes (c) calcium and phosphate

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