MCQ on Biotechnology for SSC Exams

In exams like SSC, Banking, Railways, and others, we find many questions from the General Science section. In this section, Biology topics are considered very important. we will provide topic-wise practice questions so that students can be able to practice more and more and get most of the questions correct in this section. In this article, we will provide a Practice set from the Biotechnology section.

Questions Based on  Biotechnology : 

Que 1. The term biotechnology was coined by?
(a) Hargobind Khurana 
(b) Saran Narang
(c) Károly Ereky
(d) William Hays

Ans. (c) Károly Ereky
Explanation – Károly Ereky coined the term biotechnology in 1917.

Que 2. Genetically engineered golden rice is rich in which of the following?
(a) Vitamin A and nicotinic acid
(b) B-Carotene, vitamin A and folic acid
(c) B- carotene and iron
(d) Vitamin A and niacin

Ans. (b) B-Carotene, vitamin A and folic acid
Explanation – Golden rice is genetically modified to produce beta-carotene, which is not normally present in rice. 

Que 3. Which one of the following types of a cell has the ability to develop into any type of all?
(a) Endodermal cell
(b) Ectodermal cell
(c) Muscle cell
(d) Stem cell

Ans. (d) Stem cell
Explanation – These embryonic stem cells are pluripotent. This means that they can turn into more than one type of cell.

Que 4. What is the application of somatic cell Nuclear Transfer Technology?
(a) Production of bio – larvicides
(b) Reproductive cloning of animal
(c) Manufacture of biodegradable plastics
(d) Production of organisms free of diseases

Ans. (b) Reproductive cloning of animal
Explanation – The main areas of application of SCNT are: Reproductive cloning, therapeutic cloning, and basic research. The great application potential of SCNT-based cloning is the production of genetically modified (transgenic) animals.

Que 5. Which is used extensively for genetic engineering in plants?
(a) Xanthomonas Citri
(b) Agrobacterium Tumefaciens 
(c) Bacillus Coagulans
(d) Clostridium Septicum

Ans. (b) Agrobacterium Tumefaciens
Explanation – A. tumefaciens has been used extensively as a plant genetic engineering tool and is also a model microorganism that has been well studied for host-microbe associations, horizontal gene transfer, cell-cell communication, and biofilm formation.

Que 6. A genetically engineered form of eggplant known as Bt eggplant has been developed for?
(a) To improve its taste and nutritional values ​​
(b) To make it resistant to drought  
(c) To make it resistant to pests. 
(d) To prolong one’s own life 

Ans. (c) To make it resistant to pests. 
Explanation –  The genetically modified form of eggplant known as Bt eggplant was developed.  To make it resistant to pests. 

Que 7. BT Seed is associated with which of the following varieties? 
(a) Cotton 
(b) Wheat 
(c) Oilseed 
(d) Rice 

Ans. (a) Cotton 
Explanation: The cotton variety BT contains a foreign gene obtained from Bacillus thuringiensis. This bacterial gene, genetically introduced into cotton seeds, protects the plants from fall armyworms, one of the main pests of cotton.

Que 8. Who is the father of BT cotton?
(a) Funk
(b) Tansley
(c) Ernst Berliner
(d) Mendel

Ans. (c) Ernst Berliner
Explanation – Ernst Berliner isolated a bacteria that had killed a Mediterranean flour moth in 1911, and rediscovered Bt.

Que 9. In the following given options, which vector is genetic? 
(a) Transposons 
(b) Plasmid 
(c) Bacteriophage 
(d) Anopheles 

Ans. (b) Plasmid 
Explanation: The most commonly used genetic vector is a plasmid. It is a small DNA molecule that is present in a cell and can replicate independently.

Que 10. Who discovered the first hormone?
(a) E. H. Starling 
(b) E. Coli
(c) E.Harve
(d) Earnest

Ans. (a) E. H. Starling 
Explanation – The English physician E. H. Starling discovered in collaboration with the physiologist W. M. Bayliss secretin, the first hormone, in 1902. 

Que 11. Which of the following is the first genetically engineered hormone? 
(a) Oxytocin 
(b) Somatotropin 
(c) Insulin 
(d) Adrenaline 

Ans. (c) Insulin 
Explanation – Insulin is the first genetically engineered hormone. It was made with the help of E. coli. It was first marketed under the name Humulin.

Que 12. The first transgenic crop was?
(a) Pea
(b) Flax
(c) Cotton
(d) Tobacco

Ans. (d) Tobacco
Explanation –The first genetically modified crop, an antibiotic-resistant Tobacco plant, was produced in 1982.

Que 13. When was the term probiotic first used?
(a) 1956
(b) 1853
(c) 1953
(d) 1952

Ans. (c) 1953
Explanation – The word probiotic was introduced by the German scientist Werner Kollath in 1953 to designate “active substances that are essential for the healthy development of life.

Que 14. The southern blot technique is used for the detection of?
(a) DNA 
(b) RNA
(c) Protein
(d) None

Ans. (a) DNA 
Explanation – The southern blot technique is used in molecular biology for the detection of a specific DNA sequence in DNA samples.

Que 15. The Northern blot technique is used to detect? 
(a) rRNA 
(b) mRNA 
(c) tRNA 
(d) RNA 

Ans. (d) RNA 
Explanation: Northern blot is a molecular biological laboratory method for the detection of RNA in a sample.

Que 16. Which type of reproduction is involved in the production of clones?
(a) Self-pollination
(b) Asexual reproduction
(c) Hybridization
(d) Cross-pollination

Ans. (b) Asexual reproduction
Explanation – Only one parent is involved in asexual reproduction, and the offspring produced is genetically identical to the parent cell. 

Que 17. When was genetic modification discovered?
(a) 1873
(b) 1972
(c) 1973
(d) 1975

Ans. (c) 1973
Explanation – The first genetically modified organism was developed in 1973 by biochemists Herbert Boyer and Stanley Cohen, who inserted DNA from one bacterium into another.

Que 18. Which of the following vitamin is transformed from golden rice?
(a) Vitamin A
(b) Vitamin C
(c) Vitamin 12
(d) Vitamin D

Ans. (a) Vitamin A
Explanation – β-Carotene derived from Golden Rice is effectively converted to vitamin A in humans.

Que 19. Human protein a1 antitrypsin is used for which of the following disease?
(a) Cholera 
(b) Emphysema
(c) Small pox
(d) Gout

Ans. (b) Emphysema
Explanation – Alpha-1 antitrypsin is a protease inhibitor and it is used to treat emphysema because it protects tissues from enzymes of inflammatory cells.

Que 20. Which of the following cow species is not native?
(a) Holstein-Friesian
(b) Gir
(c) Red Sindhi 
(d) Tharparkar

Ans. (a) Holstein-Friesian
Explanation – Holstein-Friesian is the world’s highest-producing dairy animal.