CHAPTER 2 BIOLOGY | PART 2

QUESTION 1
  1. Label parts 1-5
  2. Name the parts that form rungs of DNA
  3. How many nucleotides are seen in each strand
  4. What are chemical ,physical bases of life on earth
  5. Adenine pairs with------and Guanine with ------ but are together called------
  6. Draw a helical structure of DNA







QUESTION 2
  1. Label parts 1-5. What is ploidy of this cell
  2. Identify whether it is plant or animal cell?Justify
  3. Identify the stage shown.Give reason(s) for it
  4. Draw a stage after and prior to it and give it's features
  5. Draw a diag of corresponding phase in the alternate cell
  6. what is difference between mitosis and meiosis as far as spindle fibres origin
  7. Give location of centrosome














QUESTION 3
  1. Label parts 1-5
  2. Name and define the phenomenon shown below.
  3. How will cell look after this phenomenon
  4. How many synopsis can be seen
  5. Define part 4 and 5














SOME GENERAL QUESTIONS YOU MUST KNOW
  1. What are semi autonomous organisms .give it's examples
  2. Why is mitosis called equational division and meiosis called reductional division
  3. Write two differences  between plant and animal cell
  4. Mitochondria has ribosomes.how are ribosomes useful .
  5. Differentiate between: cell membrane and cell wall
  6. Differentiate between nucleosome and nucleotide


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