Download App

STD 12 - 9. biotechnology principlas and process — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
Which metal is used in particle bombartment ?
  • A
    $Pb$
  • B
    $Ag$
  • C
    $Zn$
  • ✓
    Tungsten
✓

Answer

Correct option: D.
Tungsten
d

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (0.5 Marks)" from STD 12 - 9. biotechnology principlas and process→STD 12 - 9. biotechnology principlas and process — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Read the following statements :
$(A)$ India has a greater ecosystem diversity than Norway.
$(B)$ According to the $IUCN$ $(2004)$, the total number of plant and animal species described so far is slightly more than $15$ millions.
→
An old view about evolution states that the organisms were created by a super organism in the same condition as they exist now. This theory is called as:
→
The two strands of DNA are held together by.
→
A gene showing codominance has
→
Which one among these, is not concerned with wild life conservation?
→
Assertion : Head of sperm consists of acrosome and mitochondria.

Reason : Acrosome contains spiral row of mitochondria.

→
By anaerobic process, the cow dung is used to produce
→
The wildlife Protection Act was introduced in
→
Self pollination means
→
Deforestation has an alarming effect on
→