MCQ
Embryo sac consists of
- AOne egg cell
- BTwo synergids
- CThree antipodal and two polar nuclei
- ✓All of the above
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Reason : Cancer is caused by damage to genes regulating the cell division cycle.
| Column $- A$ | Column $- B$ |
| $(1)\; AIDS$ | $(A)$ Rhino Virus |
| $(2)$ Common Cold | $(B)$ Carcinogen |
| $(3)$ Malaria | $(C)$ Salmonella |
| $(4)$ Cancer | $(D)$ Plasmodium |
| $(E)$ Retrovirus |
Reason : Both bacteria and yeast multiply very fast to form huge population which expresses the desired gene.