MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Aquatic algae ingest metals by formation of coordination complexes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Bio accumulation through roots gets absorbed in the root hair zone. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Lipophilic compounds can enter the tissues of terrestrial plants through ___________ |
| A. | Sub-cellular region |
| B. | Food chain |
| C. | Xenoestrogen |
| D. | Root surface |
| Answer» E. | |
| 4. |
The solubility of the toxicant through the membrane is dependent on the strength of the bonds. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Size of organism is not a deciding factor for bioaccumulation. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Which of the following factors doesn’t influence the direct uptake of toxicants during bio-accumulation? |
| A. | Membrane permeability rate |
| B. | Elimination |
| C. | Rate of active transport |
| D. | Rate of active transport |
| Answer» C. Rate of active transport | |
| 7. |
In Zooplankton, bio-accumulation can occur through direct surface absorption from aqueous medium. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The toxicant has to cross several sub cellular structures for the ________ |
| A. | Toxification |
| B. | Sodium |
| C. | Biochemical degradation |
| D. | Potassium |
| Answer» B. Sodium | |
| 9. |
Bio-accumulation in the living tissues can happen when the chemicals accumulated crosses the physical barrier. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
The local chemical bond that overcome the dissipation energy of chemical, results in _______ |
| A. | Stress |
| B. | Fever |
| C. | Headache |
| D. | Bio-accumulation |
| Answer» E. | |