Choose the correct answer from the following

Dear Student,1. Protiens play the vital role in building our muscles as they contain amino acids.So, the answer is option (a) 2.Polio is caused by Polio Virus. So, answer is option (b). 3. Typhoid is caused by intake of food and water. So, the answer is option (c). 4. Iodine is necessary to prevent goitre. So, the answer is option (c). Regards