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Q1. The term biotechnolgy was coined by -
- AHargovind Khurana
- BSaran Narang
- CKarl Ereky
- DWilliam Hays
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Answer: C) Karl Ereky
Q2. The genetically engineered Golden Rice is rich' in which of the following -
- AVitamin A and nicotinic acid
- BB-Carotene, Vitamin A and folic acid
- CB-Carotene and iron
- DVitamin A and niacin
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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 ?
- AEndodermal cell
- BEctodermal cell
- CStem cell
- DMuscles cell
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Answer: C) Stem cell
Q4. Which one of the following contains powerful oxidative enzymes and help in removing toxic substance from cells ?
- APlastids
- BLysosomes
- CDictyosomes
- DPeroxisomes
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Answer: D) Peroxisomes
Q5. The term ' Probiotic'is applied to -
- AOrganic food
- BAntacid
- CAntibiotic
- DLive microbial food supplement
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Answer: D) Live microbial food supplement
Q6. Among the breeds of cows mentioned below which one is not indigenous ?
- AHolstein- Friesian
- BGir
- CRed-Sindhi
- DTharparkar
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Answer: A) Holstein- Friesian
Q7. Restriction enzyme was discovered by -
- ASmith and Nathans
- BWerner Arber
- CWaksman
- DFleming
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Answer: B) Werner Arber
Q8. Nuclease enzyme which begin its attack from free end of polynucleotide is -
- AEndonuclease
- BExonuclease
- CPolymerase
- DKinase
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Answer: B) Exonuclease
Q9. The enzymes that are used as molecular scissors to cut DNA at specific sites for various purposes in genetic engineering -
- ADNA ligases
- BDNA polymerases
- CRestriction endouncleases
- DRestriction exonucleases
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Answer: C) Restriction endouncleases
Q10. Which one of the following Kinds of organisms will be the first one to colonise a bare rock ?
- AAlgae alone
- BFems
- CFungi alone
- DLichens
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Answer: D) Lichens
Q11. Which one of the following statements about microbes is not correct ?
- AThey are used in sewage treatment plants
- BThey are used in industrial fermenters for the production of beverages.
- CNo antibiotic has been obtained from any microbe.
- DThey are used to get many bioactive molecules for the treatment of diseases.
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Answer: C) No antibiotic has been obtained from any microbe.
Q12. Modified antibiotics are got through -
- AVernalisation
- BUltrafiltration
- CUltracentrifuge
- DGenetic engineering
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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 :
- AEutrophication
- BNitrification
- CAmmonification
- DBioremediation
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Answer: D) Bioremediation
Q14. Genrtically engineered human insulin is manufactured by the use of -
- AE-coli
- BRhizopus
- CPseudomonas
- DAshbya gosspyii
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Answer: A) E-coli
Q15. Which of the following vitamin is transformed in golden rice ?
- AVitamin A
- BVitamin B12
- CVitamin C
- DVitamin D
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Answer: A) Vitamin A
Q16. Human protein x-1-antitrysin is used for which of the following disease ?
- ACholera
- BSmall pox
- CEmphysama
- DGout
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Answer: C) Emphysama
Q17. Which of the following is reffered as molecular glue ?
- ADNA ligase
- BDNA polymerase
- CRestriction enzyme
- DTopoisomerase
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Answer: A) DNA ligase
Q18. The southern blot technique is used for the detection of-
- ADNA
- BRNA
- CProtein
- DNone
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Answer: A) DNA
Q19. The northern blot technique is used for the detection of
- Ar RNA
- Bm RNA
- Ct RNA
- DRNA
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Answer: B) m RNA
Q20. A clone is a group of individual abtained through :
- ASelf pollination
- BMicropropagation
- CHybridisation
- DCross pollination
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Answer: B) Micropropagation
Q21. Which of the following is not use as vector in genetic engineering ?
- APlasmids
- BBacteriophages
- CAnopheles
- DTransposons
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Answer: C) Anopheles
Q22. Advancement in genetic engineering has been possible due to discovery of-
- AOncogenes
- BTransposons
- CRestriction endonuclease
- DExonuclease
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Answer: C) Restriction endonuclease
Q23. First hormone prepared by genetic engineering is-
- AOxytocin
- BSomato tropin
- CAdrenalin
- DInsulin
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Answer: D) Insulin
Q24. Important objective of biotechnology in agriculture section is-
- A% produce best resistant varieties of plant
- B% increase the nitrogen content
- C% decrease the seed number
- D% increase the plant weight
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Answer: A) % produce best resistant varieties of plant
Q25. The first transgenic crop was-
- APea
- BFlax
- CTobacco
- DCotton
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Answer: C) Tobacco