Biology Practice MCQ Page 23

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: 2311   It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre.
  1. Chromatin
  2. Centromere
  3. Chromosome
  4. DNA
Question: 2312   Each nucleosome is formed by------ molecules of various type of histones with two turns of DNA molecule.
  1. 8
  2. 10
  3. 12
  4. 16
Question: 2313   The basic proteins in the chemical composition of chromosomes are the
  1. Histones
  2. Peptones
  3. Tubelins
  4. Dipeptides
Question: 2314   A small unit of the structure of chromosome which is formed of DNA and histones is refered to as
  1. Ribosome
  2. Nulecosome
  3. Centrosome
  4. Ergosome
Question: 2315   The type of division which occurs in somatic cells is known as
  1. Mitosis
  2. Meiosis
  3. Binary Fission
  4. Regeration
Question: 2316   It is type of cell division which occurs in the germ cell during the formation of gametes.
  1. Mitosis
  2. Meiosis
  3. Binary Fission
  4. Regenration
Question: 2317   The chromosome number 2n is known as
  1. haploid number
  2. diploid number
  3. triploid number
  4. none of the above.
Question: 2319   During cell division the most important step is the formation of
  1. Cell membrane
  2. Mitotic membrane
  3. Centromere
  4. DNA
Question: 2322   It is very active phase of cell cycle during with the DNA and histones are duplicated and various proteins which are necessary for cell division are synthesized.
  1. Prophase
  2. Metaphse
  3. Interphase
  4. Telophase
Question: 2323   Who first studies the process of cell division in animals?
  1. Walther Fleming
  2. Chase
  3. Mendel
  4. Drawin
Question: 2324   Who first studied the process of cell division in plants?
  1. Walther-Flemming
  2. Strassoburger
  3. Lamarck
  4. Robert Hook
Question: 2325   Which phase is marked by the apprearance of chromosomes as thin thread in the nucleus?
  1. Prophase
  2. Metaphase
  3. Anaphase
  4. Telophase

Answers to the questions of Biology on this page

Following list gives the correct choice for the answer of the Biology mcqs.
2311 . A       2312 . A       2313 . A       2314 . B       2315 . A       2316 . B       2317 . B       2319 . B       2322 . C       2323 . A       2324 . B       2325 . A      

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