Reproductive Morphology - Important Question Paper

11th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 50

    Part A

    10 x 1 = 10
  1. Vexillary aestivation is characteristic of the family

    (a)

    Fabaceae

    (b)

    Asteraceae

    (c)

    Solanaceae

    (d)

    Brassicaceae

  2. Gynoecium with united carpels is termed as

    (a)

    Apocarpous

    (b)

    Multicarpellary

    (c)

    Syncarpous

    (d)

    None of the above

  3. Aggregate fruit develops from

    (a)

    Multicarpellary, apocarpous ovary

    (b)

    Multicarpellary, syncarpous ovary

    (c)

    Multicarpellary ovary

    (d)

    Whole inflorescence

  4. In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be

    (a)

    Proximal

    (b)

    Distal

    (c)

    Intercalary

    (d)

    Anywhere

  5. A true fruit is the one where

    (a)

    Only ovary of the flower develops into fruit

    (b)

    Ovary and calyx of the flower develops into the fruit

    (c)

    Ovary, calyx, and thalamus of the flower develops into the fruit

    (d)

    All floral whorls of the flower develop into fruit:

  6. The inflorescence in Euphorbia is a ____________

    (a)

    Hypanthodium

    (b)

    Verticillaster

    (c)

    Coenanthium

    (d)

    Cyathium

  7. Banyan has ___________ inflorescence.

    (a)

    Hypanthodium

    (b)

    Coenanthium

    (c)

    Mixed Inflorescence

    (d)

    Cymose

  8. Coenanthium is seen in ____________

    (a)

    Ocimum

    (b)

    Leucas

    (c)

    Dorstenia

    (d)

    Pipal

  9. Asymmetic flowers are seen in ____________

    (a)

    Hibiscus

    (b)

    Water lily

    (c)

    Canna

    (d)

    Pisum

  10. Persistent calyx is seen in ______________

    (a)

    Nelumbo

    (b)

    Papaver

    (c)

    Brinjal

    (d)

    Onion

  11. Part B

    6 x 2 = 12
  12. What is mother axis and posterior side?

  13. Write a note on the Structure of Fruit

  14. Write a note on Berry fruit.

  15. Write a note on Drupe fruit.

  16. Write a note on Hesperidium fruit.

  17. Where does the inflorescence axis arise in cauliflorous type of inflorescence?

  18. Part C

    6 x 3 = 18
  19. Explain the types of placentation with examples.

  20. Differentiate between aggregate fruit with multiple fruit.

  21. Define Umbel.

  22. List out the difference between spike and spadix

  23. Explain the types of stamens based on the length of stamens.

  24. Define Merosity. Explain the various types of merosity.

  25. Part D

    2 x 5 = 10
  26. Describe different types of anthers in plants.

  27. Describe the Special Inflorescence.

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