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MCQs

Total Questions : 219 | Page 21 of 22 pages
Question 201. DNA can transfer genetic information due to
  1.    parallel base pairing
  2.    hydrogen bonding
  3.    phosphate groups
  4.    complementary base pairing
 Discuss Question
Answer: Option D. -> complementary base pairing
Answer: (d).complementary base pairing
Question 202. According to Chargaff's rules
  1.    pyrimidines = pyrimidines
  2.    purines = purines
  3.    T = C
  4.    pyrimidine = purines
 Discuss Question
Answer: Option D. -> pyrimidine = purines
Answer: (d).pyrimidine = purines
Question 203. What is the approximate fraction of genetic variation in the nuclear genome that is expected to have a harmful effect on gene function?
  1.    50%
  2.    25%
  3.    10%
  4.    1%
 Discuss Question
Answer: Option D. -> 1%
Answer: (d).1%
Question 204. Which of the following statements is correct according to Chargaff’s rules?
  1.    All DNA molecules contain the same proportions of A, C, G and T
  2.    Single-stranded RNA molecules contain the same amount of A and U
  3.    In double-stranded DNA, the amount of T equals the amount of C
  4.    In double-stranded DNA, the amount of G equals the amount of C
 Discuss Question
Answer: Option D. -> In double-stranded DNA, the amount of G equals the amount of C
Answer: (d).In double-stranded DNA, the amount of G equals the amount of C
Question 205. The DNA nitrogenous base thymine forms two hydrogen bonds with
  1.    Guanine
  2.    Adenine
  3.    Cytosine
  4.    Thymine
 Discuss Question
Answer: Option B. -> Adenine
Answer: (b).Adenine
Question 206. The vacuole of the plant cell contains liquid called as
  1.    protoplasm
  2.    cytoplasm
  3.    semi solid gel
  4.    cell sap
 Discuss Question
Answer: Option D. -> cell sap
Answer: (d).cell sap
Question 207. The surrounding protoplasm of nucleus is called as
  1.    chromosomes
  2.    cytoplasm
  3.    adenosine
  4.    nucleoplasm
 Discuss Question
Answer: Option B. -> cytoplasm
Answer: (b).cytoplasm
Question 208. Robert Hooke first introduced this term
  1.    protoplasm
  2.    cytoplasm
  3.    cell
  4.    resolution
 Discuss Question
Answer: Option C. -> cell
Answer: (c).cell
Question 209. The cells that are present in our bones make
  1.    glucose
  2.    uric acid
  3.    calcium
  4.    hemoglobin
 Discuss Question
Answer: Option D. -> hemoglobin
Answer: (d).hemoglobin
Question 210. Canis latrans is scientific name for which of following?
  1.    dog
  2.    coyote
  3.    badger
  4.    lion
 Discuss Question
Answer: Option B. -> coyote
Answer: (b).coyote

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