MCQ
Anabaena has an immense potential as a
- ✓Biofertilizer
- BFood
- CMedicines
- DSewage disposal
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| S.No. | Column-I | Column-II | |
| A. | Amoebiasis | i | Teporema pallidum. |
| B. | Diphtheria | ii | Use only sterilized food and water. |
| C. | Cholera | iii | DPT vaccine. |
| D. | Syphilis | iv | Use oval rehydration therapy. |
$I.$ In microinjection method foreign $DNA$ is directly injected into the nucleus of animal cell or plant cell by using micro needles or micro pipettes
$II.$ Microinjection method is used in oocytes, eggs and embryo
$III.$ Electroporation is the formation of temporary pores in the plasma membrane of host cell by using lysozyme or calcium chloride
$IV.$ In chemical mediated gene transfer method certain chemicals such as $\mathrm{CO}_{2}$ help foreign $DNA$ to enter the host cell
Which of the statements given above are correct?