Question

Which of the following statements about naturally found waxes are true?
A. Biological waxes are ester of short chain saturated and unsaturated fatty acids
B. Biological waxes contain a long chain alcohol in their structure
C. Melting temperature of waxes are generally higher than triglycerides
D. Certain skin glands of vertebrates secret waxes to protect hair and skin and to keep it pliable
Choose the correct answer from the options given below:

• A. A, B and D only
• B. B, C and D only
• C. C, D and A only
• D. A, B and C only

Hint:

Waxes: esters of long-chain fatty acids and long-chain alcohols.
Higher melting point than triglycerides.
Found in skin glands, plant cuticles.

Answer 1

The Correct Option is B

Step 1: Understanding the Concept:
Waxes are a type of lipid with specific properties.
They have unique structural and functional characteristics.

Step 2: Key Formula or Approach:
No specific formula.
Need to understand the properties of waxes.

Step 3: Detailed Explanation:
A. Biological waxes are esters of long-chain fatty acids and long-chain alcohols.
They are not short chain - incorrect.
B. Waxes contain a long-chain alcohol - correct.
C. Melting temperature of waxes is higher than triglycerides - correct.
D. Skin glands secrete waxes for protection - correct.
Thus, B, C, and D are correct.

Step 4: Final Answer:
The correct statements are B, C, and D.
Hence, the correct option is (B).