Question

as we know that the leave of plants are waterproof due to cuticle .on the same way , take some pieces of paper of leaf size and make them waterproof . after completion, put half of these paper pieces in cold water and half in hot water . do all the pieces of paper remains waterproof. explain your observations and results with justification.​

Answer 1

No, all the pieces of paper will not remain waterproof.

Explanation:

• In the following set up experiment, half of the paper pieces with cuticle are placed in hot water and half are places in cold water.

• The paper pieces placed in hot water will not remain waterproof as the hot water will wear off the cuticle coating. As a result, the paper pieces will not remain water proof.

• However, the cold water will not be able to wear off the cuticle and the paper will maintain the water proofing quality.