MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What does t depicts in the given formula: C = Cmax t/B + t? |
| A. | t-t<sub>0</sub> |
| B. | t<sub>0</sub>-t |
| C. | C-C<sub>0</sub> |
| D. | C<sub>0</sub>-C |
| Answer» B. t<sub>0</sub>-t | |
| 2. |
Sometimes organism metabolizes the accumulated toxicant to facilitate its own growth. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
At plateau of bio accumulation, rate of uptake is equal to rate of elimination. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following factor doesn t influence the rate of Bioaccumulation by food? |
| A. | Temperature |
| B. | Pressure |
| C. | Food type |
| D. | Size of animal |
| Answer» C. Food type | |
| 5. |
The time to reach half of the concentration of the toxicant is a function of environmental concentration and _______________ |
| A. | Membrane permeability rate |
| B. | Partial coefficient |
| C. | Rate of active transport |
| D. | Rate of active transport |
| Answer» C. Rate of active transport | |
| 6. |
The toxicant accumulation can occur by direct absorption from the medium and ________ |
| A. | Toxification |
| B. | Food chain transfer |
| C. | Biochemical degradation |
| D. | Potassium |
| Answer» C. Biochemical degradation | |
| 7. |
The initial phase of uptake of toxicant is very fast. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Which of the following phases doesn t lead to bio accumulation in aquatic organism? |
| A. | Accumulation phase |
| B. | Steady-state |
| C. | Elimination phase |
| D. | Death phase |
| Answer» E. | |