2013 · Q101
Leaves of lotus and water lily are not easily wet because the leaves
general-sciencebiology
- Ahave surface uneven in microscale and water cannot come into contact with the depressed areas due to high surface tension
- Bcontain an oily substance
- Ccontain a greasy substance
- Dhave surface too smooth to attract water
Explanation
Lotus and water-lily leaves are not easily wet because their micro-scale uneven surface, with air trapped in depressions, prevents water contact aided by high surface tension.