Quiz_Gymnosperm

1. In Cycas the fertilization is:

 
 
 
 

2. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Pinus microsporophyll bears:

 
 
 
 

6. Cleavage polyembryony is found in :

 
 
 
 

7. The leaf of Cycas shows:

 
 
 
 

8. Which is a redwood tree?

 
 
 
 

9. The spur of Pinus roxburghii has :

 
 
 
 

10. Vegetative reproduction in Cycas is by means of :

 
 
 
 

11. Which of the following is sago palm?

 
 
 
 

12. Cycas is:

 
 
 
 

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

 
 
 
 

14. Germination of the seed of Pinus is :

 
 
 
 

15. Cycas is similar to a mustard plant :

 
 
 
 

16. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

18. Pinus is:

 
 
 
 

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

 
 
 
 

20. Which have the largest antherozoid?

 
 
 
 

21. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

23. Pollination in Pinus is :

 
 
 
 

24. The coralloid roots are :

 
 
 
 

25. Pollination in Cycas takes place by :

 
 
 
 

26. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

28. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

30. Cycas is different from mango in :

 
 
 
 

31. Winged seeds are found in :

 
 
 
 

32. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

34. The microsporophylls on the cone of Cycas are :

 
 
 
 

35. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

37. Climbers are found in genus:

 
 
 
 

38. Transfusion tissue is present in the leaflet of:

 
 
 
 

39. Which condition is found in Cycas?

 
 
 
 

40. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

42. Select the correct statement: (NEET 2016)

 
 
 
 

43. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

45. In Cycas:

 
 
 
 

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

 
 
 
 

47. Fruits are not found in Cycas because:

 
 
 
 

48. The male gametes of Pinus are :

 
 
 
 

49. In Cycas microsporangia are borne on:

 
 
 
 

50. The phloem of vascular system of Cycas is :

 
 
 
 

51. The roots of Cycas are :

 
 
 
 

52. Mucilaginous canals in Cycas are found in :

 
 
 
 

53. Cycas revoluta is widely grown as :

 
 
 
 

54. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Special feature of pollen grains of Pinus is :

 
 
 
 

62. Cycas is :

 
 
 
 

63. Why is Cycas called a living fossil?

 
 
 
 

64. Proembryo in Pinus is :

 
 
 
 

65. Cycas plant in appearance resembles :

 
 
 
 

66. Pollination drop is:

 
 
 
 

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

 
 
 
 

68. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

70. Pinus gerardiana is :

 
 
 
 

71. In Gymnosperms endosperm is a:

 
 
 
 

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