MCQ
Which is unrelated
- ASea Cucumber
- BSea Star
- CSea Urchin
- ✓Sea Squid
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$(I)$ $RBCs$ are formed in the white bone marrow in adults.
$(II)$ $RBCs$ have red colour because presence of protein called haemoglobin.
$(III)$ Nucleus is present in $RBC$ in most of the mammals and are biconcave in shape.
$(IV)$ A healthy individual has $12 -16\, gms$ of haemoglobin in every $1000\, ml$ of blood.
| 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 |