Biology Practice MCQ Page 24

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: 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
Question: 2326   Which phase's intiationis indicated by the appearance of the chromosomes as thin threads in the nucleus?
  1. Prophase
  2. Metaphse
  3. Telophase
  4. Anaphse
Question: 2327   Each prophase chromosome is composed of two coiled filaments,the chromatids,which formed by DNA replication during
  1. Prophase
  2. Interphase
  3. Telophase
  4. Anaphase
Question: 2328   During which phase spindle begin to invade the central area and the centromere of each chromosome become attached to the spindle fibers and reach to a point between the poles?
  1. Prophase
  2. Metaphase
  3. Telophase
  4. Anaphase
Question: 2329   During which phase centromeres divide and chromatids separate into chromosomes?
  1. Prophase
  2. Metaphase
  3. Telophase
  4. Anaphase
Question: 2330   In animal cells,cell division starts with the division of
  1. centromeres
  2. centrioles
  3. centrosomes
  4. ribosomes
Question: 2331   In plants spindle fibres are composed of mainly a protein called
  1. Insulin
  2. Haemoglobin
  3. Tubulin
  4. Fibrenogen
Question: 2332   Metaphase is followed by the next phase of mitosis called
  1. Anaphase
  2. Prophase
  3. Interphase
  4. Anaphase
Question: 2333   In a dividing cell the spindle is composed of traces of RNA and protein called
  1. Histone
  2. Tubulin
  3. Peptone
  4. Peptide
Question: 2334   At anaphase stage of mitosis in plant cells,interzonal of the spinldle fibres gets transformed into
  1. Equatorial plate
  2. Nucleoplast
  3. Phragmoplast
  4. Chloroplast
Question: 2335   The stage of mitosis at which chromatids separate as independent chromosomes is the
  1. Prophase
  2. Metaphase
  3. Anaphase
  4. Telophse