Quiz_Gymnosperm

1. In Cycas the fertilization is:

 
 
 
 

2. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

4. Transfusion tissue is present in the leaflet of:

 
 
 
 

5. The microsporophylls on the cone of Cycas are :

 
 
 
 

6. Why is Cycas called a living fossil?

 
 
 
 

7. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which is absent from the xylem of Cycas?

 
 
 
 

12. Cycas is similar to a mustard plant :

 
 
 
 

13. Fruits are not found in Cycas because:

 
 
 
 

14. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

16. Diploxylic vascular bundles are found in:

 
 
 
 

17. The coralloid roots are :

 
 
 
 

18. Winged seeds are found in :

 
 
 
 

19. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

21. The young leaves of Cycas have :

 
 
 
 

22. Germination of the seed of Pinus is :

 
 
 
 

23. In Cycas:

 
 
 
 

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

 
 
 
 

25. The spur of Pinus roxburghii has :

 
 
 
 

26. Desired type of Cycas can be grown by:

 
 
 
 

27. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

29. Special feature of pollen grains of Pinus is :

 
 
 
 

30. Which have the largest antherozoid?

 
 
 
 

31. Pollination in Cycas takes place by :

 
 
 
 

32. Winged pollen grains are found in :

 
 
 
 

33. In Cycas which structure is equivalent to stamen?

 
 
 
 

34. The male gametes of Pinus are :

 
 
 
 

35. Climbers are found in genus:

 
 
 
 

36. Select the correct statement: (NEET 2016)

 
 
 
 

37. Pinus is:

 
 
 
 

38. Vegetative reproduction in Cycas is by means of :

 
 
 
 

39. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

41. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

43. Mucilaginous canals in Cycas are found in :

 
 
 
 

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

 
 
 
 

45. Pollination drop is:

 
 
 
 

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

 
 
 
 

47. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

49. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. In Gymnosperms endosperm is a:

 
 
 
 

54. The phloem of vascular system of Cycas is :

 
 
 
 

55. Cycas is:

 
 
 
 

56. Cycas revoluta is widely grown as :

 
 
 
 

57. Cycas is :

 
 
 
 

58. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

60. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

62. Ovules are not found enclosed in ovary in :

 
 
 
 

63. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Simple polyembryony is found in :

 
 
 
 

68. Which of the following is sago palm?

 
 
 
 

69. Cycas plant in appearance resembles :

 
 
 
 

70. Which condition is found in Cycas?

 
 
 
 

71. The leaf of Cycas shows:

 
 
 
 

72. Cleavage polyembryony is found in :