Quiz_Gymnosperm

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

 
 
 
 

2. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Which is absent from the xylem of Cycas?

 
 
 
 

6. Desired type of Cycas can be grown by:

 
 
 
 

7. Transfusion tissue is present in the leaflet of:

 
 
 
 

8. The roots of Cycas are :

 
 
 
 

9. Diploxylic vascular bundles are found in:

 
 
 
 

10. Mucilaginous canals in Cycas are found in :

 
 
 
 

11. Cycas plant in appearance resembles :

 
 
 
 

12. The leaf of Cycas shows:

 
 
 
 

13. The vascular bundles of Cycas stem are :

 
 
 
 

14. Germination of the seed of Pinus is :

 
 
 
 

15. The male gametes of Pinus are :

 
 
 
 

16. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

19. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

21. Reproduction in Cycas takes place by :

 
 
 
 

22. Simple polyembryony is found in :

 
 
 
 

23. Cycas is:

 
 
 
 

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

 
 
 
 

25. In Cycas:

 
 
 
 

26. Ovules are not found enclosed in ovary in :

 
 
 
 

27. The young leaves of Cycas have :

 
 
 
 

28. Fruits are not found in Cycas because:

 
 
 
 

29. Winged seeds are found in :

 
 
 
 

30. In Gymnosperms endosperm is a:

 
 
 
 

31. The microsporophylls on the cone of Cycas are :

 
 
 
 

32. The spur of Pinus roxburghii has :

 
 
 
 

33. Cleavage polyembryony is found in :

 
 
 
 

34. The spermatozoids of Cycas are :

 
 
 
 

35. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. Winged pollen grains are found in :

 
 
 
 

39. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

41. Why is Cycas called a living fossil?

 
 
 
 

42. Pinus gerardiana is :

 
 
 
 

43. In Cycas the fertilization is:

 
 
 
 

44. The coralloid roots are :

 
 
 
 

45. Vegetative reproduction in Cycas is by means of :

 
 
 
 

46. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

51. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

53. Pinus is:

 
 
 
 

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

 
 
 
 

55. Pollination drop is:

 
 
 
 

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

 
 
 
 

57. Proembryo in Pinus is :

 
 
 
 

58. Climbers are found in genus:

 
 
 
 

59. Which condition is found in Cycas?

 
 
 
 

60. Which is a redwood tree?

 
 
 
 

61. Cycas is :

 
 
 
 

62. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

64. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

66. Cycas is similar to a mustard plant :

 
 
 
 

67. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

69. Select the correct statement: (NEET 2016)

 
 
 
 

70. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

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