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Biotechnology MCQ

33 MCQ questions with answers and explanations · page 1 of 2

Q1. The term biotechnolgy was coined by -

  1. AHargovind Khurana
  2. BSaran Narang
  3. CKarl Ereky
  4. DWilliam Hays
Show answer & explanation

Answer: C) Karl Ereky

Q2. The genetically engineered Golden Rice is rich' in which of the following -

  1. AVitamin A and nicotinic acid
  2. BB-Carotene, Vitamin A and folic acid
  3. CB-Carotene and iron
  4. DVitamin A and niacin
Show answer & explanation

Answer: B) B-Carotene, Vitamin A and folic acid

Q3. Which one of the following types of cell has the ability to develop into any type of all ?

  1. AEndodermal cell
  2. BEctodermal cell
  3. CStem cell
  4. DMuscles cell
Show answer & explanation

Answer: C) Stem cell

Q4. Which one of the following contains powerful oxidative enzymes and help in removing toxic substance from cells ?

  1. APlastids
  2. BLysosomes
  3. CDictyosomes
  4. DPeroxisomes
Show answer & explanation

Answer: D) Peroxisomes

Q5. The term ' Probiotic'is applied to -

  1. AOrganic food
  2. BAntacid
  3. CAntibiotic
  4. DLive microbial food supplement
Show answer & explanation

Answer: D) Live microbial food supplement

Q6. Among the breeds of cows mentioned below which one is not indigenous ?

  1. AHolstein- Friesian
  2. BGir
  3. CRed-Sindhi
  4. DTharparkar
Show answer & explanation

Answer: A) Holstein- Friesian

Q7. Restriction enzyme was discovered by -

  1. ASmith and Nathans
  2. BWerner Arber
  3. CWaksman
  4. DFleming
Show answer & explanation

Answer: B) Werner Arber

Q8. Nuclease enzyme which begin its attack from free end of polynucleotide is -

  1. AEndonuclease
  2. BExonuclease
  3. CPolymerase
  4. DKinase
Show answer & explanation

Answer: B) Exonuclease

Q9. The enzymes that are used as molecular scissors to cut DNA at specific sites for various purposes in genetic engineering -

  1. ADNA ligases
  2. BDNA polymerases
  3. CRestriction endouncleases
  4. DRestriction exonucleases
Show answer & explanation

Answer: C) Restriction endouncleases

Q10. Which one of the following Kinds of organisms will be the first one to colonise a bare rock ?

  1. AAlgae alone
  2. BFems
  3. CFungi alone
  4. DLichens
Show answer & explanation

Answer: D) Lichens

Q11. Which one of the following statements about microbes is not correct ?

  1. AThey are used in sewage treatment plants
  2. BThey are used in industrial fermenters for the production of beverages.
  3. CNo antibiotic has been obtained from any microbe.
  4. DThey are used to get many bioactive molecules for the treatment of diseases.
Show answer & explanation

Answer: C) No antibiotic has been obtained from any microbe.

Q12. Modified antibiotics are got through -

  1. AVernalisation
  2. BUltrafiltration
  3. CUltracentrifuge
  4. DGenetic engineering
Show answer & explanation

Answer: D) Genetic engineering

Q13. The process of using microbes to treat areas of land or sea that have been contaminated by pesticides oil or solvents is known as :

  1. AEutrophication
  2. BNitrification
  3. CAmmonification
  4. DBioremediation
Show answer & explanation

Answer: D) Bioremediation

Q14. Genrtically engineered human insulin is manufactured by the use of -

  1. AE-coli
  2. BRhizopus
  3. CPseudomonas
  4. DAshbya gosspyii
Show answer & explanation

Answer: A) E-coli

Q15. Which of the following vitamin is transformed in golden rice ?

  1. AVitamin A
  2. BVitamin B12
  3. CVitamin C
  4. DVitamin D
Show answer & explanation

Answer: A) Vitamin A

Q16. Human protein x-1-antitrysin is used for which of the following disease ?

  1. ACholera
  2. BSmall pox
  3. CEmphysama
  4. DGout
Show answer & explanation

Answer: C) Emphysama

Q17. Which of the following is reffered as molecular glue ?

  1. ADNA ligase
  2. BDNA polymerase
  3. CRestriction enzyme
  4. DTopoisomerase
Show answer & explanation

Answer: A) DNA ligase

Q18. The southern blot technique is used for the detection of-

  1. ADNA
  2. BRNA
  3. CProtein
  4. DNone
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Answer: A) DNA

Q19. The northern blot technique is used for the detection of

  1. Ar RNA
  2. Bm RNA
  3. Ct RNA
  4. DRNA
Show answer & explanation

Answer: B) m RNA

Q20. A clone is a group of individual abtained through :

  1. ASelf pollination
  2. BMicropropagation
  3. CHybridisation
  4. DCross pollination
Show answer & explanation

Answer: B) Micropropagation

Q21. Which of the following is not use as vector in genetic engineering ?

  1. APlasmids
  2. BBacteriophages
  3. CAnopheles
  4. DTransposons
Show answer & explanation

Answer: C) Anopheles

Q22. Advancement in genetic engineering has been possible due to discovery of-

  1. AOncogenes
  2. BTransposons
  3. CRestriction endonuclease
  4. DExonuclease
Show answer & explanation

Answer: C) Restriction endonuclease

Q23. First hormone prepared by genetic engineering is-

  1. AOxytocin
  2. BSomato tropin
  3. CAdrenalin
  4. DInsulin
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Answer: D) Insulin

Q24. Important objective of biotechnology in agriculture section is-

  1. A% produce best resistant varieties of plant
  2. B% increase the nitrogen content
  3. C% decrease the seed number
  4. D% increase the plant weight
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Answer: A) % produce best resistant varieties of plant

Q25. The first transgenic crop was-

  1. APea
  2. BFlax
  3. CTobacco
  4. DCotton
Show answer & explanation

Answer: C) Tobacco

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