Solapur-University-M.Sc. – Environmental Science (Semester-III)-2019-On Environmental Biotechnology
| Sr.No | Questions with multiple options |
| 1. | The process of extracting metals from ore bearing rocks is called as _____
(a) Bioextraction (b) Microbial extraction (c) Biofiltration (d) Bioleaching |
| 2. | Conversion of toxic compound to non toxic compound are called ______
(a) Detoxification (b) Degradation (c) Conjugation (d) Activation |
| 3. | Phytoremediation is used for _______
(a) Wastewater treatment (b) Oil Recovery (c) Algae recovery (d) None of these |
| 4. | “Biomagnification” is _____
(a) Increase in the biotic population of an area (b) Increase in the size of the individuals of a species due to natural evolution (c) Process whereby harmful chemicals enter and get concentrated in a food chain (d) None of these |
| 5. | Water hyacinth (Eichorniacrassipes), a common obnoxious weed has a capacity to absorb heavy metal , this technique is called _______
(a) Phytoremediation (b) Photosynthesis (c) Bioleaching (d) None of these |
| 6. | Microorganisms are used in the ______ treatment of wastewater.
(a) Primary Treatment (b) Secondary treatment (c) Tertiary treatment (d) None of these |
| 7. | Type I restriction endonucleases have recognition sequence of ______
(a) 100 pb (b) 15 pb (c) 1000 pb (d) 1 kbp |
| 8. | Biologically catalyzed reduction in the complexity of chemical compound is _____
(a) Biosynthesis (b) Bio-degradation (c) Photosynthesis (d) Respiration |
| 9. | Any factor that alters the growth and survival of a population is called as _______ factor.
(a) Biotic (b) Abiotic (c) Limiting (d) Growth |
| 10. | The purification efficiency of bio-filter depends upon ______
(a) Bio-filter volume (b) Intensity of aeration (c) Different parameters of packing (d) All the above |
| 11. | Bacillus thuringenesis is used as ______
(a) Biofertiliser (b) Biopesticide (c) For both purpose (d) None of these |
| 12. | When the natality is equal to mortality, the population is at _____
(a) Stationary phase (b) Exponential phase (c) Growth phase (d) All of these |
| 13. | Environmental biotechnology involves ____
(a) Use of desired species of bacteria to convert organic wastes into biofertiliser (b) Use of plants to convert organic waste into inorganic substances (c) Both a and b |
| 14. | The growth of aquatic plants in a water body is attributed to the ____
(a) Excessive dissolved oxygen (b) Excessive inflow of nutrients (c) Increase in the benthic organisms (d) None of these |
| Data Collected By – K. Jeyanthi | |
| Published On – 13th Nov 2021 | |
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