Biology
The corner of the cells of collenchyma tissue in plant are thickened due to deposition of ________

Suberin and cutin
Chitin and lignin
Lignin and suberin
Cellulose and pectin

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Biology
Kwashiorkor disease in children is caused by

Sufficient carbohydrates but less fats in diet
Sufficient carbohydrates and fats but deficient proteins in diet
Sufficient vitamins but deficient fats in diet
Sufficient fats but deficient vitamins in diet

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