Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Biotechnology
For transformation, which micro-particles are coated with DNA to be bombarded with a gene gun?
1
Gold or Tungsten
2
Platinum or Zinc
3
Silicon or Platinum
4
More than one of the above
5
None of the above