Biotechnology – Online MCQs – Biology 10th

1. In alcoholic fermentation, pyruvic acid changes to alcohol and:

2. An important way of making ATP without oxygen is called:

3. It is used by your muscle cells when you work them hard and fast.

4. Extra circular DNA which use as a vector of a gene is:

5. This type of fermentation is carried out by the bacteria Streptococcus and Lactobacillus species for souring milk into yogurt and production of cheese.

6. The earlier biotechnologists were:

7. The first genetically engineered drug produced by bacteria in 1978.

8. The containers use to grow bacteria on large scale are called:

9. In acidic formulation lactic acid produced from:

10. The artificial manipulation, medication and recombination of DNA:

11. When segments of DNA are cut and pasted together to form new sequences, the result is known as:

12. Naturally occurring enzyme used as a defense chemical by bacteria:

13. The classical biotechnology that emerged during the early twentieth century was a microbial-based:

14. It can also be used to paste new genes into DNA.

15. Cells that have recombinant DNA are known as:

16. Most of the living things use O₂ to produce:

17. These are viruses that infect bacteria.

18. It is controlled use of biological agents for beneficial use.

19. This is used in nature to repair broken DNA.

20. The bread dough rises during alcoholic fermentation is due to: