MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Reclamation of alkaline soils can be done by adding aluminium sulfate. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following vegetable doesn t grow in alkaline soils? |
| A. | Arugula |
| B. | Asparagus |
| C. | Beet |
| D. | Pumpkins |
| Answer» E. | |
| 3. |
Which of the following plants can grow in a pH range of 5-5.5? |
| A. | Rhododendrons |
| B. | Cactus |
| C. | Tagetes |
| D. | China rose |
| Answer» B. Cactus | |
| 4. |
What would be the effect on plants if the soil s pH increases? |
| A. | Nutrient absorption is reduced |
| B. | Nutrient absorption increases |
| C. | Soil contamination |
| D. | Soil fertility increases |
| Answer» B. Nutrient absorption increases | |
| 5. |
In alkaline soils, the salinity is reduced. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Planting coffee plants near the soil would make the soil more alkaline. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What does compost do to the alkaline soil? |
| A. | Wash away salts and chemicals |
| B. | Increase the pH |
| C. | Leads to the death of microorganisms |
| D. | Leads to soil contamination |
| Answer» B. Increase the pH | |
| 8. |
Which of the following methods can be used to reduce the soil alkalinity? |
| A. | Increase the acid content |
| B. | Anthropogenic contamination |
| C. | Increasing dissolved oxygen |
| D. | Mobilization of brines |
| Answer» B. Anthropogenic contamination | |
| 9. |
In dry regions, the primary cause of soil alkalinity is due to calcium carbonate-rich parent material weathering. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Irrigation water which turns alkaline does not affect the soil pH. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Which of the following product is not used to reduce the soil alkalinity? |
| A. | Sphagnum peat |
| B. | Elemental sulfur |
| C. | Organic mulches |
| D. | Baking powder |
| Answer» E. | |
| 12. |
Over-limimg acidic soil leads to the alkalinity of the soil. |
| A. | True |
| B. | False |
| Answer» B. False | |