MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is incorrect regarding sodium and potassium ions? |
| A. | Responsible for maintenance of extracellular and intracellular fluids |
| B. | Responsible for transmission of electrical impulses |
| C. | Responsible for the maintenance of membrane potential |
| D. | Responsible for nitrogen fixation in animals |
| Answer» E. | |
| 2. |
Which of the following is the most abundant element in the cell? |
| A. | Oxygen |
| B. | Iron |
| C. | Magnesium |
| D. | Copper |
| Answer» B. Iron | |
| 3. |
Mitochondria are rich in which of the following ions? |
| A. | Manganese |
| B. | Molybdenum |
| C. | Copper |
| D. | Nitrogen |
| Answer» B. Molybdenum | |
| 4. |
Which of the following is an essential oil? |
| A. | Monoterpene |
| B. | Lemongrass oil |
| C. | Vinblastin |
| D. | Abrin |
| Answer» C. Vinblastin | |
| 5. |
Carotenoids and anthocyanins are some of the primary metabolites. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following is not a secondary metabolite? |
| A. | Amino acids |
| B. | Gum |
| C. | Perfume |
| D. | Spices |
| Answer» B. Gum | |
| 7. |
Which of the following cells are not responsible for the formation of secondary metabolites? |
| A. | Plant cells |
| B. | Fungal cells |
| C. | Animal cells |
| D. | Bacterial cells |
| Answer» D. Bacterial cells | |
| 8. |
What are the secondary metabolites? |
| A. | Compounds formed in all kinds of cells |
| B. | Compounds formed only in plants |
| C. | Compounds formed only in animals |
| D. | By-products of the cell |
| Answer» E. | |
| 9. |
What are the primary metabolites? |
| A. | Compounds formed in every kind of cells |
| B. | Compounds present in only plants |
| C. | Compounds formed only in animals |
| D. | Compounds formed only by fungus |
| Answer» B. Compounds present in only plants | |
| 10. |
All the elements present in a sample of earth s crust are also present in a sample of living tissue. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
How many fractions do we obtain while straining a thick slurry of living tissue through the cheesecloth? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» C. Three | |
| 12. |
Which of the following is a peculiar property of amino acids? |
| A. | Basic nature |
| B. | Acidic nature |
| C. | Ionisable nature |
| D. | Neutral nature |
| Answer» D. Neutral nature | |
| 13. |
Based on which of the following, amino acids are classified? |
| A. | Based on the number of hydrogen |
| B. | Based on the number of carbon atoms |
| C. | Based on the number of ions |
| D. | Based on the number of amino and carboxyl groups |
| Answer» E. | |