General Science – Biology MCQs

56. Who among the following first synthesized “gene” in a laboratory?

(A) Arthur Kornberg
(B) Hargobind Khorana
(C) Gregor Mendel
(D) Watson and crick

Correct Answer: (B) Hargobind Khorana

57. Which among the following is correct definition of Bacteriophage?

(A) A Bacteria that destroys Virus
(B) A Virus that destroys Bacteria
(C) A Bacteria that destroys another bacteria
(D) A Bacteria that destroys Fungi

Correct Answer: (B) A Virus that destroys Bacteria

58. A particular cell organelle is sometimes referred certain enzymes that can break down the cell components or even the whole cell. which one of the following is such an organelle?

(A) Lysosome
(B) Mesosome
(C) Phagosome
(D) Ribosome

Correct Answer: (A) Lysosome

59. The disorder “Pityriasis simplex capillitii ” is most commonly known as which among the following?

(A) Tulip fingers
(B) Dandruff
(C) Baldness
(D) Eczema

Correct Answer: (B) Dandruff

60. What is the number of the Chromosomes affected by Turner syndrome?

(A) 44
(B) 45
(C) 46
(D) 47

Correct Answer: (B) 45

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