Quiz_Gymnosperm

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

 
 
 
 

2. The spur of Pinus roxburghii has :

 
 
 
 

3. Climbers are found in genus:

 
 
 
 

4. Cycas is:

 
 
 
 

5. Fruits are not found in Cycas because:

 
 
 
 

6. Cycas is different from mango in :

 
 
 
 

7. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

9. Diploxylic vascular bundles are found in:

 
 
 
 

10. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

12. The coralloid roots are :

 
 
 
 

13. Ginkgo biloba is a:

 
 
 
 

14. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

16. Which have the largest antherozoid?

 
 
 
 

17. The roots of Cycas are :

 
 
 
 

18. Special feature of pollen grains of Pinus is :

 
 
 
 

19. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

22. Which condition is found in Cycas?

 
 
 
 

23. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

25. The vascular bundles of Cycas stem are :

 
 
 
 

26. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

28. Winged pollen grains are found in :

 
 
 
 

29. In Cycas which structure is equivalent to stamen?

 
 
 
 

30. Pinus gerardiana is :

 
 
 
 

31. In Cycas microsporangia are borne on:

 
 
 
 

32. Pollination drop is:

 
 
 
 

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

 
 
 
 

34. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The young leaves of Cycas have :

 
 
 
 

39. Which is a redwood tree?

 
 
 
 

40. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

42. Pollination in Pinus is :

 
 
 
 

43. Pollination in Cycas takes place by :

 
 
 
 

44. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

46. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

48. Germination of the seed of Pinus is :

 
 
 
 

49. The spermatozoids of Cycas are :

 
 
 
 

50. In Cycas the fertilization is:

 
 
 
 

51. Winged seeds are found in :

 
 
 
 

52. Transfusion tissue is present in the leaflet of:

 
 
 
 

53. Select the correct statement: (NEET 2016)

 
 
 
 

54. The leaf of Cycas shows:

 
 
 
 

55. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

57. Pinus is:

 
 
 
 

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

 
 
 
 

59. Cleavage polyembryony is found in :

 
 
 
 

60. Cycas is :

 
 
 
 

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

 
 
 
 

62. Mucilaginous canals in Cycas are found in :

 
 
 
 

63. Ovules are not found enclosed in ovary in :

 
 
 
 

64. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

66. Cycas is similar to a mustard plant :

 
 
 
 

67. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

69. In Gymnosperms endosperm is a:

 
 
 
 

70. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

72. In Cycas: