Quiz_Gymnosperm

1. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

3. The roots of Cycas are :

 
 
 
 

4. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

6. Which condition is found in Cycas?

 
 
 
 

7. Cycas is:

 
 
 
 

8. Which have the largest antherozoid?

 
 
 
 

9. Cycas is :

 
 
 
 

10. Winged seeds are found in :

 
 
 
 

11. Pollination in Pinus is :

 
 
 
 

12. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

14. Pinus gerardiana is :

 
 
 
 

15. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

17. Which is a redwood tree?

 
 
 
 

18. The coralloid roots are :

 
 
 
 

19. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

21. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

24. Pinus is:

 
 
 
 

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

 
 
 
 

26. Transfusion tissue is present in the leaflet of:

 
 
 
 

27. Pollination in Cycas takes place by :

 
 
 
 

28. In Cycas which structure is equivalent to stamen?

 
 
 
 

29. Cleavage polyembryony is found in :

 
 
 
 

30. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

32. Ovules are not found enclosed in ovary in :

 
 
 
 

33. Winged pollen grains are found in :

 
 
 
 

34. Special feature of pollen grains of Pinus is :

 
 
 
 

35. Pollination drop is:

 
 
 
 

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

 
 
 
 

37. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Climbers are found in genus:

 
 
 
 

42. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

44. In Cycas the fertilization is:

 
 
 
 

45. Proembryo in Pinus is :

 
 
 
 

46. Why is Cycas called a living fossil?

 
 
 
 

47. The vascular bundles of Cycas stem are :

 
 
 
 

48. Cycas plant in appearance resembles :

 
 
 
 

49. The spur of Pinus roxburghii has :

 
 
 
 

50. Cycas is similar to a mustard plant :

 
 
 
 

51. The phloem of vascular system of Cycas is :

 
 
 
 

52. In Cycas:

 
 
 
 

53. Germination of the seed of Pinus is :

 
 
 
 

54. The male gametes of Pinus are :

 
 
 
 

55. Simple polyembryony is found in :

 
 
 
 

56. Mucilaginous canals in Cycas are found in :

 
 
 
 

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

 
 
 
 

58. The young leaves of Cycas have :

 
 
 
 

59. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Reproduction in Cycas takes place by :

 
 
 
 

65. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

67. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

69. Which is absent from the xylem of Cycas?

 
 
 
 

70. Pinus microsporophyll bears:

 
 
 
 

71. The microsporophylls on the cone of Cycas are :

 
 
 
 

72. In Gymnosperms endosperm is a: