MCQ
Good soil is
- AWhich holds whole of water enters into it
- BWhich allows the limited amount of water into it
- ✓Which allows to percolate the water slowly from it
- DWhich allows to pass water very quickly from it
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$i.$ In transcription, adenosine pairs with uracil.
$ii.$ Regulation of lac operon by repressor is referred to as positive regulation.
$iii.$ The human genome has approximately $50,000\; genes.$
$iv. $ Haemophilia is a sex-linked recessive disease.
$II.$ The bacteria should be made competent to accept the $DNA$ molecule
The correct option regarding the above statements is
