Answer: Scurvy.
- A Rickets
- B Scurvy
- C Beri-beri
- D Pellagra
Correct answer: B. Scurvy
Explanation: Vitamin C (ascorbic acid) deficiency causes scurvy, marked by bleeding gums. Rickets is from vitamin D, beri-beri from B1, and pellagra from B3.
Two amino acids join via a condensation reaction: the carboxyl -OH of one and an amine -H of the other are eliminated as water, leaving a peptide bond (-CO-NH-) linking them into a dipeptide; repeating this builds a full protein chain.
Concept context
The chemistry of life: carbohydrates, proteins, lipids, nucleic acids, enzymes, and vitamins. Understand their structures, classification, and biological functions. Highly relevant for NEET and Class 12 board exams.