Quiz_Gymnosperm

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

 
 
 
 

2. Pollination drop is:

 
 
 
 

3. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

5. Cycas is similar to a mustard plant :

 
 
 
 

6. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

8. The spermatozoids of Cycas are :

 
 
 
 

9. Select the correct statement: (NEET 2016)

 
 
 
 

10. Cycas plant in appearance resembles :

 
 
 
 

11. The male gametes of Pinus are :

 
 
 
 

12. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

14. The roots of Cycas are :

 
 
 
 

15. Pinus microsporophyll bears:

 
 
 
 

16. In Gymnosperms endosperm is a:

 
 
 
 

17. Pollination in Cycas takes place by :

 
 
 
 

18. Cycas is:

 
 
 
 

19. Cycas is :

 
 
 
 

20. Vegetative reproduction in Cycas is by means of :

 
 
 
 

21. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

23. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

25. Special feature of pollen grains of Pinus is :

 
 
 
 

26. Cleavage polyembryony is found in :

 
 
 
 

27. Fruits are not found in Cycas because:

 
 
 
 

28. Pinus is:

 
 
 
 

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

 
 
 
 

30. Ginkgo biloba is a:

 
 
 
 

31. Winged pollen grains are found in :

 
 
 
 

32. Reproduction in Cycas takes place by :

 
 
 
 

33. Pollination in Pinus is :

 
 
 
 

34. The spur of Pinus roxburghii has :

 
 
 
 

35. Diploxylic vascular bundles are found in:

 
 
 
 

36. In Cycas the fertilization is:

 
 
 
 

37. Which of the following is sago palm?

 
 
 
 

38. In Cycas:

 
 
 
 

39. The young leaves of Cycas have :

 
 
 
 

40. Why is Cycas called a living fossil?

 
 
 
 

41. In Cycas which structure is equivalent to stamen?

 
 
 
 

42. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. The coralloid roots are :

 
 
 
 

46. Pinus gerardiana is :

 
 
 
 

47. Which is a redwood tree?

 
 
 
 

48. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Germination of the seed of Pinus is :

 
 
 
 

55. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

57. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Which have the largest antherozoid?

 
 
 
 

64. Cycas is different from mango in :

 
 
 
 

65. Winged seeds are found in :

 
 
 
 

66. Mucilaginous canals in Cycas are found in :

 
 
 
 

67. Which is absent from the xylem of Cycas?

 
 
 
 

68. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

70. Cycas revoluta is widely grown as :

 
 
 
 

71. Proembryo in Pinus is :

 
 
 
 

72. Simple polyembryony is found in :