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MCQs

Total Questions : 161 | Page 1 of 17 pages
Question 1. Nitrogenous base adenine of one nucleotide forms pair with
  1.    thymine
  2.    cytosine
  3.    guanine
  4.    adenine
 Discuss Question
Answer: Option A. -> thymine
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. Mendel crossed a true-breeding round seeded plant with
  1.    oval seeded plant
  2.    circular seeded plant
  3.    wrinkled seeded plant
  4.    elongated seeded plant
 Discuss Question
Answer: Option C. -> wrinkled seeded plant
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The Persian scientist who expressed the term of "artificial selection" was
  1.    Abu Rehyan Beruni
  2.    Ibn ul Haithem
  3.    Avi Cena
  4.    Al-Khwarizmi
 Discuss Question
Answer: Option A. -> Abu Rehyan Beruni
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. If a true-breeding tall plant was crossed with true-breeding short the result was
  1.    all short
  2.    all tall
  3.    half tall
  4.    half short
 Discuss Question
Answer: Option B. -> all tall
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. The organic evolution mechanism was proposed by
  1.    Nikola tesla
  2.    Marie curie
  3.    Gregor Mendel
  4.    Charles Darwin
 Discuss Question
Answer: Option D. -> Charles Darwin
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. How many total chromosomes are present in a human's body cell?
  1.    23
  2.    46
  3.    26
  4.    52
 Discuss Question
Answer: Option B. -> 46
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. Phenotype is the expression of
  1.    genetic makeup
  2.    physical makeup
  3.    chemical composition
  4.    metabolism
 Discuss Question
Answer: Option B. -> physical makeup
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The round structures of Deoxyribonucleic Acid (DNA) around histone proteins are called
  1.    monohybrid genes
  2.    hybrid genes
  3.    chromosomes
  4.    nucleosomes
 Discuss Question
Answer: Option D. -> nucleosomes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. Fundamental principles of genetics were developed by
  1.    Gregor Johann
  2.    Edward Jenner
  3.    J.Watson and F.Crick
  4.    Darwin and Lamark
 Discuss Question
Answer: Option A. -> Gregor Johann
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. Gregor Mendel developed the fundamental principles of
  1.    botany
  2.    genetics
  3.    chemistry
  4.    inheritance
 Discuss Question
Answer: Option B. -> genetics
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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