Biology Practice MCQ Page 16

Multiple Choice questions for Biology in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 2181   In Haremogloblin there are how many amino acids of 19 kinds are arranged in four chains?
  1. 576.
  2. 574.
  3. 572.
  4. 570.
Question: 2183   They form the material which forms skins,muscles ,hair and nails in animals.
  1. Protein.
  2. Carbohydrates.
  3. Fats.
  4. Vitamins.
Question: 2184   Hemoglobin ,the oxygen carrying substance in red blood cells,is a
  1. Nuclei acid.
  2. Carbohydrates.
  3. Fats.
  4. Proteins..
Question: 2185   They play key roles in the contraction of muscles,digestion of food and clotting of blood.
  1. Fats.
  2. Carbohydrates.
  3. Proteins.
  4. Vitamins.
Question: 2186   How many different kinds of amino acids go into the formation of a protein molecule?
  1. 20
  2. 24
  3. 28
  4. 32
Question: 2188   An amino acid is an organic molecule containing at least on amino (- NH)and one ------group bonded to the same carbon atom,also known as alpha carbon .
  1. Carboxyl.
  2. Amino group.
  3. Hydroxal .
  4. None of the above.
Question: 2189   Some proteins are long,thin fibres,such as those of -----
  1. nail and hair.
  2. muscles and hair.
  3. hair and silk.
  4. neurons and silk.
Question: 2190   They are organic compounds consisting of carbon ,hydrogen and oxygen present in all living organisms.
  1. Proteins.
  2. Carbohydrates.
  3. Fats.
  4. Minerals.
Question: 2191   They are organic composed of carbon,hydrogen and oxygen.
  1. Fats.
  2. Carbohydrates.
  3. Proteins.
  4. Lipids.
Question: 2192   In Carbohydrates the ratio of hydrogen to oxygen is
  1. 2:1
  2. 1:3
  3. 2:4
  4. None of the above.
Question: 2193   Which type of carbohydrates are sweet in taste and are readily soluble in water?
  1. Monossaccharides.
  2. Oligasaccharides.
  3. Polysaccharides.
  4. None of the above.
Question: 2194   Which type of carbohydrates are less sweet in taste and are less soluble in water?
  1. Monossaccharides.
  2. Oligasaccharides.
  3. Polysaccaharides.
  4. None of the above.

Answers to the questions of Biology on this page

Following list gives the correct choice for the answer of the Biology mcqs.
2181 . B       2183 . A       2184 . D       2185 . C       2186 . A       2188 . A       2189 . C       2190 . B       2191 . B       2192 . A       2193 . A       2194 . B      

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