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Genetics MCQ

87 MCQ questions with answers and explanations · page 1 of 4

Q1. Who is the father of Genetics ?

  1. ADarwin
  2. BMendel
  3. CBridge
  4. DWiseman
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Answer: B) Mendel

Q2. Word gene was given by -

  1. AMorgan
  2. BMendal
  3. CJohansen
  4. DD Bridge
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Answer: C) Johansen

Q3. Unit of heredity is -

  1. AGene
  2. BChromosomes
  3. CChromatin
  4. DNone of these
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Answer: A) Gene

Q4. Mendal worked on -

  1. AEdible pea
  2. BWild pea
  3. CGarden pea
  4. DPegion pea
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Answer: C) Garden pea

Q5. Gene are made up of -

  1. ADNA
  2. BRNA
  3. CDNA & RNA
  4. Dprotein
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Answer: A) DNA

Q6. A genetically engineered form of brinjal Known as the BT-brinjal has been developed The objective of this is

  1. ATo make it pest resistant
  2. BTo improve its taste and nutritive value
  3. CTo make it drought resistant
  4. DTo make its….longer
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Answer: A) To make it pest resistant

Q7. Polynucleotide chain of DNA contains

  1. AA nitrogenous base, deoxyribosesugar and Phosphate group
  2. BA nitrogenous base, ribose sugar and phosphate group
  3. CDeoxyribose sugar ribose sugar and phosphate group
  4. DA nitrogenous base and phosphate group only
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Answer: A) A nitrogenous base, deoxyribosesugar and Phosphate group

Q8. The process of copying genetic information from one strand of DNA into RNA is termed as

  1. ATranslation
  2. BTranscription
  3. CReplication
  4. DMutation
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Answer: B) Transcription

Q9. Syngamy results in formation of -

  1. AHaploid zygote
  2. BDiploid zygote
  3. CNon-motile male gametes
  4. DMotile male gametes
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Answer: B) Diploid zygote

Q10. Mendel' s law were rediscovered by-

  1. ACorrens
  2. BTshermak
  3. CDeveries
  4. DAll of these
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Answer: D) All of these

Q11. Mendel's second law is the law of -

  1. Alndependent assortment
  2. BSegregation
  3. CDominance
  4. DPolygenic inheritance
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Answer: B) Segregation

Q12. Which one is exception to Mendel's principle of dominance ?

  1. AWild pea
  2. BMirablius
  3. CGarden pea
  4. DMaize
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Answer: B) Mirablius

Q13. DNA fingerprinting is a technique used for the detection of -

  1. AAlzheimer's disease
  2. BDisputed parentage
  3. CAlDS
  4. DYellow fever
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Answer: B) Disputed parentage

Q14. The subunits of DNA are known as:

  1. ANucleotide
  2. BNucleosome
  3. CNucleoside
  4. DPolypeptide
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Answer: A) Nucleotide

Q15. Change in base sequence within the gene is called -

  1. ABreeding
  2. Bcloning
  3. CMutation
  4. DFusion
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Answer: C) Mutation

Q16. Ribozymes are-

  1. ADNA
  2. BRNA
  3. CProteins
  4. DNone of these
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Answer: B) RNA

Q17. Monohybrid ration of Mendal' s cross is -

  1. A9 : 3:3:1
  2. B0.12569444444444
  3. C0.042361111111111
  4. D0.084027777777778
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Answer: B) 0.12569444444444

Q18. Who got noble prize for artificial synthesis od DNA ?

  1. AM. Calvin
  2. BKhorana
  3. CTatum
  4. DKornberg
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Answer: D) Kornberg

Q19. One gene enzyme theory is given by -

  1. AWatson and Crick
  2. BHargovind Khurana
  3. CBeadle and Tatum
  4. DMorgan
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Answer: C) Beadle and Tatum

Q20. Which of the following is responsible for controlling hereditary characters of the living cells ?

  1. AEnzyme
  2. BHormone
  3. CRNA
  4. DDNA (e) None of the above /More than one of the above
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Answer: D) DNA (e) None of the above /More than one of the above

Q21. The Golden Rice contains B-carotene gene which comes from-

  1. ACarrot
  2. BDaffodil
  3. CBeetroot
  4. DPapaya
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Answer: B) Daffodil

Q22. Sex chromosome in human male are named-

  1. AXX
  2. BXO
  3. CXY
  4. DNone
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Answer: C) XY

Q23. Chromosomes are best seen in-

  1. AInterphase
  2. BProphase
  3. CMetaphase
  4. DTelophase
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Answer: C) Metaphase

Q24. The term mutation was was introduced by-

  1. ALamarck
  2. BDarwin
  3. CHugo devries
  4. DMendal
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Answer: C) Hugo devries

Q25. Genetic material found in cell is-

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

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