MCQ
Which term refers to the tiniest organisms that can only be seen through a microscope?
- ✓microbes
- Bplants
- Canimals
- Dnone of the above
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Reason : The $Bt$ gene is derived from a bacterium.
Match the terms in column $I$ with their description in column $II$ and choose the correct option.
| Column $-I$ | Column $-II$ |
| $(A)$ Dominance | $(i)$ Many genesgovern a single character |
| $(B)$ Codominance | $(ii)$ In a heterozygousorganism only one allele expresses itself |
| $(C)$ Pleiotropy | $(iii)$ In a heterozygousorganism both alleles express themselves fully |
| $(D)$ Polygenic | $(iv)$ A single gene inheritanceinfluences many characters |
$R$ : Deoxyribonuclease will digest $DNA$ while $RNA$ will be intact.