Biology Practice MCQ Page 21

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: 2258   The substances which assist enzymes are called
  1. Enzymes.
  2. Co-enzymes.
  3. Vitamins.
  4. Lipid molecules.
Question: 2262   They substances,which assist enzymesact,are called
  1. Diastase
  2. Substrates
  3. Co-enzymes
  4. None of the above
Question: 2265   In which animal reproduction is only because of multiplication?
  1. Hydra
  2. Earthworn
  3. Grasshopper
  4. Man
Question: 2267   In 1876, who discovered Chromosomes in the nucleus of the cell?
  1. Waldeyer
  2. Palade
  3. Avery
  4. De Duve
Question: 2268   Historically which were the first colured bodies seen inside the Nucleus ?
  1. Chromosomes
  2. Golgi bodies.
  3. Ribosomes
  4. Choroplasts
Question: 2269   Who established that the units of inheritance called genes are located on the chromosomes?
  1. Mendel
  2. T.H.Morgan
  3. W.S.Sutton
  4. De Duve
Question: 2270   Who suggested the role of chromosomes in nucleus?
  1. S.Sutton
  2. Walter
  3. De Duve
  4. Mendel
Question: 2272   In 1910, who proved the idea of W.S.Sutton that genes are located on chromosomes?
  1. T.H.Morgan
  2. De Duve
  3. Palade
  4. Waldeyer
Question: 2273   A typical chromosome has two parts a centrifuge and ------
  1. Blastomeres
  2. Chromosomes
  3. Centrosomes
  4. Ribosomes
Question: 2274   It is the site of chromosomes attachment to the fiber of spindle.
  1. Chromomere
  2. Centromere
  3. Centrosme
  4. Blastomere
Question: 2276   During which phase or phase of cell division,the morphology of the chromosomes is best studies?
  1. telophas,anaphas
  2. prohas,anaphas
  3. anaphas,metaphas
  4. none of the above
Question: 2286   Chromosomes having the centromere located at their one end are called
  1. Telocentric chromosomes.
  2. Acrocentric chromosomes.
  3. Submetacentric chromosomes.
  4. Metacentric chromosomes.

Answers to the questions of Biology on this page

Following list gives the correct choice for the answer of the Biology mcqs.
2258 . B       2262 . B       2265 . A       2267 . A       2268 . A       2269 . C       2270 . A       2272 . A       2273 . B       2274 . B       2276 . C       2286 . A      

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