Biology MCQs with answers Page - 40

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Q. The practical processes that can be used for making artificial enzymes may be
I. Genetic engineering
II. Chemical synthesis of polypeptides
III. Denaturation of proteins from living systems
The correct process(es) for procuring artificial enzymes is/are:

  • (A) II and III
  • (B) I and II
  • (C) I only
  • (D) I, II and III

A

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Q. The coffee plant (Coffea arabica) is indigenous to:

  • (A) Ethiopia
  • (B) Ceylon
  • (C) France
  • (D) Arabia

A

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Q. The sons of a colour blind woman are always colourblind but not the daughters because :

  • (A) the gene for colour-blindness inherited from mother is dominant over the normal gene from father
  • (B) the colour-blindness gene is a recessive gene borne on the X chromosome and the sons inherit it only from mother but daughters inherit it both from father as well as mother
  • (C) the female hormone in girls does not allow the expression of the colour-blindness gene in daughters.
  • (D) the gene for colour-blindness is recessive gene inherited by sons only from mother and the daughters inherit it only from father.

A

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Q. Cell recognition and adhesion occur due to biochemicals of cell membrane named

  • (A) Lipids
  • (B) Glycoproteins and glycolipids
  • (C) Proteins and lipids
  • (D) Proteins

A

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Q. The skin of all mammals is supple and water-proof due to the presence of

  • (A) sebaceous glands
  • (B) sweat glands
  • (C) subcutaneous fat
  • (D) hair shafts covering the skin

A

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Q. Which antigen is present in O blood group?

  • (A) Either A or B
  • (B) Both A and B
  • (C) Neither A nor B
  • (D) O

A

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Q. Which among the following cell organelles is essential for Cellular respiration?

  • (A) Endoplasmic Reticulum
  • (B) Golgi Body
  • (C) Mitochondrion
  • (D) Lysosomes

A

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Q. Protein in the pulses (or more correctly legume) is found in which of the following form?

  • (A) Glutein
  • (B) Globulin
  • (C) Albumin
  • (D) Thaimine

A

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Q. Which among the following makes the Cornea Transplantation easy and used more widely ?

  • (A) Cornea are easily available
  • (B) Cornea does not link up with blood vessels
  • (C) both of the above reasons
  • (D) none of the above

A

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Q. “Rumen” is a part of ____?

  • (A) Stomach
  • (B) Small Intestine
  • (C) Large Intestine
  • (D) Liver

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