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Biotechnology

PLANT GENETICS MCQs

Total Questions : 11

Page 1 of 2 pages
Question 1. When an organism has a life cycle with alternation of generations, the haploid generation is the
  1.    zygote
  2.    sporophyte
  3.    gametophyte
  4.    gamete
 Discuss Question
Answer is Option C. -> gametophyte
Question 2. In the meiotic cell divison in daughter cells are produced by two successive division in which
  1.    first division is equational, second is reductional
  2.    both divisions are equational
  3.    first division is reductional and second is equational
  4.    both divisions are reductional
 Discuss Question
Answer is Option A. -> first division is equational, second is reductional
Question 3. In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
  1.    1:3:1
  2.    3:1:1
  3.    1:2:1
  4.    1:1:2
 Discuss Question
Answer is Option C. -> 1:2:1
Question 4. When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
  1.    In anaphase A
  2.    In metaphase
  3.    In telophase
  4.    In anaphase B
 Discuss Question
Answer is Option A. -> In anaphase A
Question 5. What is the approximate size (in kb) of the melon mitochondrial genome?
  1.    600 kilobase
  2.    2400 kilobase
  3.    1200 kilobase
  4.    3000 kilobase
 Discuss Question
Answer is Option B. -> 2400 kilobase
Question 6. When F1 plants are crossed with homozygous recessive plants, it is known as
  1.    para-cross
  2.    criss-cross
  3.    recessive cross
  4.    test cross
 Discuss Question
Answer is Option D. -> test cross
Question 7. A plasmid used to introduce BT toxin into a plant cell
  1.    causes the plant to produce opines
  2.    carries an antibiotic resistance gene that makes the plant resistant to antibiotics
  3.    is toxic for the plant cell
  4.    carries a bacterial gene with a plant promoter
 Discuss Question
Answer is Option D. -> carries a bacterial gene with a plant promoter
Question 8. The homologous chromosomes follow the process of synopsis in the
  1.    diplotene
  2.    zygotene
  3.    leptotene
  4.    pachytene
 Discuss Question
Answer is Option B. -> zygotene
Question 9. During meiosis crossing over takes place at
  1.    diakinesis stage
  2.    zygotene stage
  3.    diplotene stage
  4.    pachytene stage
 Discuss Question
Answer is Option D. -> pachytene stage
Question 10. Which of the following transposable elements are not found in plants?
  1.    L1
  2.    Tam3
  3.    All are found
  4.    Ac
 Discuss Question
Answer is Option A. -> L1
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Sub Topics

  • Animal Biotechnology Chromosomes
  • Animal Breeding And Transgenic Animal
  • Animal Cell Culture And Regulation
  • Antibiotics
  • Beer And Wine
  • Biosensors And Biochips
  • Cell Cycle
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  • Disorders In Biotechnology
  • Environmental Protection
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  • Gene Transfer In Plants
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  • Media Required For Plant Cell Culture
  • Monoclonal Antibodies
  • Nitrogen Fixation And Photosynthesis
  • Plant Cell Culture
  • Plant Genetics
  • Plant Structure
  • Recombinant Dna
  • Special Proteins And Crop Improvement
  • Synthesis Of Therapeutic Agents
  • Synthetic Seeds
  • Transgenic Plant
  • Transport Of Molecules In Plant
  • Vinegar And Citric Acid

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