| 41. | Gene therapy repairs defective genes by isolating normal gene and inserting it into host's |
| a. | veins |
| b. | normal cells |
| c. | liver |
| d. | bone marrow |
| View Answer Report Discuss 50-50! |
|
Answer: (d).bone marrow
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| 42. | Inhabited part of earth in which living organisms and non-living components co-exists is called |
| a. | Ecosystem |
| b. | Community |
| c. | Biosphere |
| d. | population |
| View Answer Report Discuss 50-50! |
|
Answer: (c).Biosphere
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| 43. | All members of a clone are genetically identical until and unless there occurs a |
| a. | transfer |
| b. | fertilization |
| c. | mutation |
| d. | change |
| View Answer Report Discuss 50-50! |
|
Answer: (c).mutation
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| 44. | Branch of biology in which we study about living organisms, systems or processes in manufacturing and industrial area is called |
| a. | Environmental Biology |
| b. | Human Biology |
| c. | Microbiology |
| d. | Biotechnology |
| View Answer Report Discuss 50-50! |
|
Answer: (d).Biotechnology
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| 45. | Approximate number of species that are currently known to scientists are |
| a. | 2,000,000 |
| b. | 2,100,000 |
| c. | 2,500,000 |
| d. | 2,300,000 |
| View Answer Report Discuss 50-50! |
|
Answer: (c).2,500,000
|