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

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

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

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

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

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

8. The earlier biotechnologists were:

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

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

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

12. In acidic formulation lactic acid produced from:

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

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

15. These are viruses that infect bacteria.

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

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

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

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

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