| 41. | Which of the following is nutritional characterization of Escherichia coli? |
| a. | Chemotrophic |
| b. | Organotrophic |
| c. | Autotrophic |
| d. | Chemotrophic, Organotrophic, Heterotrophic |
| View Answer Report Discuss 50-50! |
|
Answer: (d).Chemotrophic, Organotrophic, Heterotrophic
|
| 42. | Which of the following amino acids require sulphur for their synthesis? |
| a. | tryptophan |
| b. | methionine |
| c. | cystine |
| d. | methionine and cystine |
| View Answer Report Discuss 50-50! |
|
Answer: (d).methionine and cystine
|
| 43. | Phosphorus is essential component of __________ |
| a. | teichoic acid |
| b. | nucleotides |
| c. | phospholipids |
| d. | teichoic acid, nucleotides, phospholipids |
| View Answer Report Discuss 50-50! |
|
Answer: (d).teichoic acid, nucleotides, phospholipids
|
| 44. | Which of the following are trace elements? |
| a. | Potassium ion |
| b. | Sodium ion |
| c. | Copper ion |
| d. | Magnesium ion |
| View Answer Report Discuss 50-50! |
|
Answer: (c).Copper ion
|
| 45. | Which of the following ions are cofactors for various enzymes? |
| a. | Potassium ion |
| b. | Iron ion |
| c. | Magnesium ion and Iron ion |
| d. | Calcium ion |
| View Answer Report Discuss 50-50! |
|
Answer: (c).Magnesium ion and Iron ion
|