11th Public Exam March 2019 Important 5 Marks Questions

11th Standard

    Reg.No. :


Time : 02:30:00 Hrs
Total Marks : 250
    50 x 5 = 250
  1. Give a general account on lichens.

  2. Describe the structure of Tobacco Mosaic Virus.

  3. What are Mycorrhizae? Explain the types.

  4. Describe the structure of Gram positive and Gram negative bacterial cell wall using diagram.

  5. List out the Economic importance of Gymnosperms.

  6. General Characteristic features of Algae.

  7. What are the different types of phyllotaxy?

  8. Define bud. Explain the types of buds based on location.

  9. Explain the different types of fleshy fruit with suitable example.

  10. Write a note on multiple / Composite fruits.

  11. Expalin the Fusion of stamens

  12. Give the floral characters of Clitoria ternatea.

  13. Write a note on DNA Barcoding.

  14. Describe the Concept of species - Morphological, Biological and Phylogenetic

  15. Difference between plant and animal cell.

  16. Describe the Fine Structure of a cell wall.

  17. Describe the structure of Mitochondria.

  18. Describe the structure of Vacuoles

  19. Write about Pachytene and Diplotene of Prophase I.

  20. Enumerate the differences between mitosis and meiosis.

  21. List out the important features of Chromosomes.

  22. What are the factors affecting the rate of enzyme reaction?

  23. Write the characteristic features of DNA.

  24. Describe the Competitive & Non-Competitive Inhibitors of enzyme.

  25. What is the role of Charles Darwin in relation to concept of species

  26. What is the difference between a Zoo and Wild Life Sanctuary

  27. Explain the role of Latin and Greek names in Biology

  28. Could the number of eggs or young ones produced by an oviparous and viviparous female be equal? Why?

  29. List the salient features of phylum Annelida.

  30. Write the classification of connective tissue and their functions.

  31. How respiration takes place in cockroach?

  32. Explain the reproductive system of frog

  33. Sketch a flow chart to show the path way of air flow during respiration.

  34. Describe the mechanism by which the human heart beat is initiated and controlled.

  35. Name and Label the given diagrams to show A, B, C, D, E, F, and G

  36. How are the kidneys involved in controlling blood volume? How is the volume of blood in the body related to arterial pressure?

  37. Write a note on Haemodialysis.

  38. What is tubular secretion? Name the substances secreted through the renal tubules.

  39. What are the bones that make the pelvic girdle?

  40. Explain the sliding- filament theory of muscle contraction.

  41. Describe the structures of olfactory receptors.

  42. Briefly explain the structure of thyroid gland.

  43. Differentiate hyperglycaemia from hypoglycaemia

  44. Give the economic importance of Silkworm

  45. Explain sclereids with their types.

  46. Distinguish the anatomy of dicot root from monocot root.

  47. A transverse section of the trunk of a tree shows concentric rings which are known as growth rings. How are these rings formed? What is the significance of these rings?

  48. Explain the reactions taking place in the mitochondrial inner membrane.

  49. How will you calculate net products of one sucrose molecule upon complete oxidation during aerobic respiration as per recent view?

  50. Give a brief account on Programmed Cell Death (PCD)


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