MCQ
PCR or polymerase chain reaction was discovered by:
- AJeffreys
- BNakamura
- CKarry Mullis
- DLander
Explanation:
Kary Mullis. Kary Banks Mullis (born December 28, 1944) is a Nobel Prize-winning American biochemist. In recognition of his invention of the polymerase chain reaction (PCR) technique, he shared the 1993 Nobel Prize in Chemistry with Michael Smith and earned the Japan Prize in the same year.
So, the correct answer is 'Karry Mullis.'
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| Column-I Methods | Column-II Working Methods |
| 1. Pills | i. Inhibit the sperms to reach cervix |
| 2. Condom | ii. Not allow the implantation |
| 2. Vas deferens | iii. Stoppage of ovulation |
| 3. Copper-T | iv. sperms in semen |