Quiz_Gymnosperm

1. Which is a redwood tree?

 
 
 
 

2. Why is Cycas called a living fossil?

 
 
 
 

3. Mucilaginous canals in Cycas are found in :

 
 
 
 

4. Shedding of pollen grains in Pinus takes place at :

 
 
 
 

5. Cycas is different from mango in :

 
 
 
 

6. The young leaves of Cycas have :

 
 
 
 

7. Proembryo in Pinus is :

 
 
 
 

8. Winged pollen grains are found in :

 
 
 
 

9. Cleavage polyembryony is found in :

 
 
 
 

10. The coralloid roots are :

 
 
 
 

11. Coralloid roots of Cycas is distinguished from Angiosperm roots by :

 
 
 
 

12. Reproduction in Cycas takes place by :

 
 
 
 

13. Special feature of pollen grains of Pinus is :

 
 
 
 

14. Pollination in Cycas takes place by :

 
 
 
 

15. The phloem of vascular system of Cycas is :

 
 
 
 

16. The spermatozoids of Cycas are :

 
 
 
 

17. What is the position of neck canal cells in Pinus?

 
 
 
 

18. Pollination in Pinus is :

 
 
 
 

19. The roots of Cycas are :

 
 
 
 

20. Pollination drop is:

 
 
 
 

21. Pinus gerardiana is :

 
 
 
 

22. Climbers are found in genus:

 
 
 
 

23. In which order of Gymnosperms only fossils are present?

 
 
 
 

24. In Cycas wood most of the tissue is made up of :

 
 
 
 

25. The spur of Pinus roxburghii has :

 
 
 
 

26. The seed known by the name of ‘chilgoza’ that is used as dry fruit belongs to :

 
 
 
 

27. Pinus microsporophyll bears:

 
 
 
 

28. Fruits are not found in Cycas because:

 
 
 
 

29. The male cone of Cycas is made up of a group of :

 
 
 
 

30. The number of cotyledons in the embryo of Pinus are :

 
 
 
 

31. Cycas is similar to a mustard plant :

 
 
 
 

32. Ovules are not found enclosed in ovary in :

 
 
 
 

33. Pinus is:

 
 
 
 

34. The male gametes of Pinus are :

 
 
 
 

35. Cycas plant in appearance resembles :

 
 
 
 

36. In Gymnosperms endosperm is a:

 
 
 
 

37. Ginkgo biloba is a:

 
 
 
 

38. The secondary xylem of the vascular bundles of Cycas is usually :

 
 
 
 

39. In Cycas the fertilization is:

 
 
 
 

40. The megasporophyll of Cycas is equivalent to which part of Angiosperm?

 
 
 
 

41. In Cycas which structure is equivalent to stamen?

 
 
 
 

42. Desired type of Cycas can be grown by:

 
 
 
 

43. Simple polyembryony is found in :

 
 
 
 

44. Which have the largest antherozoid?

 
 
 
 

45. Which is absent from the xylem of Cycas?

 
 
 
 

46. For the archegonium of Pinus which statement is true?

 
 
 
 

47. Cycas revoluta is widely grown as :

 
 
 
 

48. Fern and Cycas are similar in the presence of:

 
 
 
 

49. Dicot leaf-like reticulate venation occurs in leaves of:

 
 
 
 

50. Cycas has two cotyledons but even then it is not classified as a dicot:

 
 
 
 

51. Conifers are adapted to tolerate extreme environmental conditions because of: (NEET 2016)

 
 
 
 

52. Cycas is :

 
 
 
 

53. Transfusion tissue is present in the leaflet of:

 
 
 
 

54. Vegetative reproduction in Cycas is by means of :

 
 
 
 

55. The number of neck canal cells in Cycas are:

 
 
 
 

56. In Cycas, the vascular bundle of a leaflet is :

 
 
 
 

57. Which character in a Cycas leaflet indicates its xerophytic nature?

 
 
 
 

58. The stem of adult Cycas plant is covered with persistent leaf-bases which are :

 
 
 
 

59. In Cycas:

 
 
 
 

60. Inverted omega-shaped arrangement of vascular bundles is found in :

 
 
 
 

61. In Cycas microsporangia are borne on:

 
 
 
 

62. The microsporophylls on the cone of Cycas are :

 
 
 
 

63. Which condition is found in Cycas?

 
 
 
 

64. Non-porous wood for furniture is produced by:

 
 
 
 

65. Select the correct statement: (NEET 2016)

 
 
 
 

66. Diploxylic vascular bundles are found in:

 
 
 
 

67. The vascular bundles of Cycas stem are :

 
 
 
 

68. Winged seeds are found in :

 
 
 
 

69. Germination of the seed of Pinus is :

 
 
 
 

70. Cycas is:

 
 
 
 

71. The leaf of Cycas shows:

 
 
 
 

72. Which of the following is sago palm?