MCQ
Choose incorrect statement
- AAnnelids possess double ventral nerve cord
- BPlatyhelminthus have organ level of organisation
- CReptiles are poikilotherms
- ✓Heart is two chambered in Amphibians
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A drug used for ...$A$... patients is obtained from a species of the organism ...$B$.... It helps in clearing blood clots inside the blood vessels.
The one correct option for the two blanks are
| List-l | List-II |
| (A) Gene 'a' | (I) $\beta-$galactosidase |
| (B) Gene 'y' | (II) Transacetylase |
| (C) Lactose | (III) $\beta-$galactosides |
| (D) Gene 'z' | (IV) Repressor protein |
| List - l | List - ll |
| (a) Gene gun | (i) Replacement of a faulty gene by a normal healthy gene |
| (b) Gene therapy | (ii) Used for transfer of gene |
| (c) Gene cloning | (iii) Total DNA in the cells of an organism |
| (d) Genome | (iv) To obtain indentical copies of a particular DNA molecule |