Online MCQs Test – Biotechnology – Biology 10th

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

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

3. These are viruses that infect bacteria.

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

5. In acidic formulation lactic acid produced from:

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

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

8. The earlier biotechnologists were:

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

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

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

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

13. The complete graph of human genome was studied by:

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

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

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

17. The complete draft of the human genome sequence was published in:

18. Alcohol and antibiotics on large scale production by organism is an area of:

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

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