Biology Important Question Bank for Madhya Pradesh HSSC 12th (HSC) Board Exam 2020

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After the tremendous success of our last year Important Question Bank for Madhya Pradesh HSSC (HSC) Board Exam 2016, 2017 , 2018 and 2019 we have also created a list of  Most Important Question Bank for Madhya Pradesh HSSC 12th (HSC) Board Exam 2020 which are likely to appear in HSC Board Exams this year.

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BIOLOGY – IMPORTANT QUESTION BANK

  1. Explain the significance of double Fertilization. What changes occur in floral parts after fertilization?
  2. What changes occur in Stem of Dicot plant due to Secondary Growth? Explain.
  3. Explain food web and flow of energy, with the help of ray diagram.
  4. Write the names and functions of different parts in Alimentary Canal of Human.
  5. Write the significances of excretion in animals.
  6. Write the working and structure of striped Muscles.
  7. Explain the technique of Genetic engineering with the example of cloning.
  8. Describe with the help of diagram the steps of Urea formation in Ornithene- Arginin cycle.
  9. Explain the structure of a maize grain with the help of a diagram.
  10. Write the difference between Sympathetic and Parasympathetic nervous system.
  11. Describe the mechanism of opening and losing of Stomata.
  12. What is Gene mutation? What are the causes of Gene mutation? Explain.
  13. Write any four function of auxin hormone.
  14. Trace the development of microsporocyte into mature pollen grains.
  15. Write the differences between macro elements and micro elements.
  16. How does pollination take place in saliva? List adaption required for such type of pollination.
  17. Write the difference between clinical death and biological death
  18. Write the differences between active and passive absorption of water.
  19. Describe the post fertilization changes taking place in a flowering plant
  20. A sperm has just fertilized a human egg in the fallopian tube. Trace the events that the fertilized eggs will undergo up to implantation of blastocyst in the uterus.
  21. Explain the development of human embryo with diagram.
  22. A sperm has just fertilized a human egg in the fallopian tube. Trace the events that the fertilized eggs will undergo up to implantation of blastocyst in the uterus.
  23. Explain the development of human embryo with diagram.
  24. What are the major causes of biodiversity?
  25. Write any four differences between self pollination and cross Pollination.
  26. What is menstruation what are the specific actions of FSH, LH, strong and progesterone in menstruation cycle.
  27. Write any four differences between open and closed circulatory system.
  28. What are the contributions made by Ahmed Khan in Bangalore and Ramesh Chandra nagar in Sonipat?
  29. What is the sobriquet “The evil Quartet” used in context of biodiversity? Name the member of this quarter. Why do we grieve for the genes when a species is lost?
  30. Who performed the blender experiment? What does this experiment prove? Describe the steps followed in the experiment.
  31. What does Calvin Cycle take place? Explain by Calvin Cycle ray diagram only.
  32. Write the difference between Pigment system-I and Pigment system-II.
  33. What is Vermiompost? What is its significance?
  34. What does Hardy Weinberg’s principle states? What are the factors which affects Hardy Weinberg’s equilibrium?
  35. Write differences between Trachiole and bronchiole.
  36. Explain the process of oogenesis or spermatogenesis with line diagram.
  37. What are Restriction enzymes? Why do bacteria have these restriction enzymes? Show diagrammatically a restriction enzyme its recognition and the product it produce.
  38. What is somatic hybridization- explain the steps involve in the production of somatic hybrids.
  39. What is the difference between chemogeny and biogeny?
  40. Suggest some methods to assist infertile couples to have children.

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