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MCQs

Total Questions : 194 | Page 12 of 20 pages
Question 111. What percentage of plant species present today have shown polyploidy in their ancestors?
  1.    0.1
  2.    0.05
  3.    0.8
  4.    0.9
 Discuss Question
Answer: Option C. -> 0.8
Answer: (c).0.8
Question 112. Which of following is scientific name for yeast?
  1.    drosophila melanogaster
  2.    pongo pygmaeus
  3.    saccharomyces cerevisiae
  4.    Caenorhabditis elegans
 Discuss Question
Answer: Option C. -> saccharomyces cerevisiae
Answer: (c).saccharomyces cerevisiae
Question 113. What is scientific name for corn?
  1.    Zea mays
  2.    drosophila melanogaster
  3.    Mus musculus
  4.    pongo pygmaeus
 Discuss Question
Answer: Option A. -> Zea mays
Answer: (a).Zea mays
Question 114. Which of following functions in vertebrates is performed by FOXP2 gene?
  1.    muscle development
  2.    vocalization
  3.    coat color
  4.    eye color
 Discuss Question
Answer: Option B. -> vocalization
Answer: (b).vocalization
Question 115. Hemoglobin protein has which of following protein subunits?
  1.    alpha and beta
  2.    alpha and gamma
  3.    beta and gamma
  4.    multiple alpha
 Discuss Question
Answer: Option A. -> alpha and beta
Answer: (a).alpha and beta
Question 116. Which of following type of transposons move with help of an RNA intermediate?
  1.    jumping genes
  2.    intermediate transposons
  3.    retrotransposons
  4.    rRNA transposons
 Discuss Question
Answer: Option C. -> retrotransposons
Answer: (c).retrotransposons
Question 117. Which of following DNA type is present mostly at telomeres and centromeres?
  1.    simple sequence DNA
  2.    transposons
  3.    non-coding DNA
  4.    coding DNA
 Discuss Question
Answer: Option A. -> simple sequence DNA
Answer: (a).simple sequence DNA
Question 118. How many base pairs are there in LINE-1 unit?
  1.    100
  2.    10000
  3.    8900
  4.    6500
 Discuss Question
Answer: Option D. -> 6500
Answer: (d).6500
Question 119. What is haploid genome size of rice Oryza sativa?
  1.    500 mb
  2.    1000 mb
  3.    430 mb
  4.    100 mb
 Discuss Question
Answer: Option C. -> 430 mb
Answer: (c).430 mb
Question 120. Crossing an organism of unknown genotype with that of a recessive is called
  1.    Punnett's square
  2.    testcross
  3.    breeding cross
  4.    breeding square
 Discuss Question
Answer: Option B. -> testcross
Answer: (b).testcross

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