MCQ
Layer of cells between endodermis and vascular bundles is called
- AEpidermis
- ✓Pericycle
- CHypodermis
- DPith
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Reason : Histones are of five major types $H_1,\,H_2A\,, H_2B,H_3$ and $H_4$ .
$I.$ This method is also known as biolistic technique
$II. $ In this method cells are bombarded with high velocity micro-particles of gold or tungsten coated with $DNA$ in plants
$III.$ Important crop plants like maize, rice and wheat have now been transformed by this method
Which of the statements given above are correct?