Quiz_Gymnosperm

1. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. Vegetative reproduction in Cycas is by means of :

 
 
 
 

6. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

8. Fruits are not found in Cycas because:

 
 
 
 

9. The roots of Cycas are :

 
 
 
 

10. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. In Cycas microsporangia are borne on:

 
 
 
 

14. The phloem of vascular system of Cycas is :

 
 
 
 

15. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

17. Pollination in Pinus is :

 
 
 
 

18. Which condition is found in Cycas?

 
 
 
 

19. Cycas revoluta is widely grown as :

 
 
 
 

20. Cycas is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Winged pollen grains are found in :

 
 
 
 

24. The microsporophylls on the cone of Cycas are :

 
 
 
 

25. Why is Cycas called a living fossil?

 
 
 
 

26. Which is absent from the xylem of Cycas?

 
 
 
 

27. In Cycas:

 
 
 
 

28. The spur of Pinus roxburghii has :

 
 
 
 

29. Which is a redwood tree?

 
 
 
 

30. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

32. Reproduction in Cycas takes place by :

 
 
 
 

33. Cycas is similar to a mustard plant :

 
 
 
 

34. Special feature of pollen grains of Pinus is :

 
 
 
 

35. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The leaf of Cycas shows:

 
 
 
 

39. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

41. Germination of the seed of Pinus is :

 
 
 
 

42. The vascular bundles of Cycas stem are :

 
 
 
 

43. Pinus is:

 
 
 
 

44. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

46. The spermatozoids of Cycas are :

 
 
 
 

47. The male gametes of Pinus are :

 
 
 
 

48. Mucilaginous canals in Cycas are found in :

 
 
 
 

49. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

51. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

53. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

55. Ginkgo biloba is a:

 
 
 
 

56. Cycas is :

 
 
 
 

57. The coralloid roots are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

60. Cleavage polyembryony is found in :

 
 
 
 

61. Pollination in Cycas takes place by :

 
 
 
 

62. The young leaves of Cycas have :

 
 
 
 

63. Proembryo in Pinus is :

 
 
 
 

64. Winged seeds are found in :

 
 
 
 

65. Cycas plant in appearance resembles :

 
 
 
 

66. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

68. In Gymnosperms endosperm is a:

 
 
 
 

69. Pollination drop is:

 
 
 
 

70. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

72. Transfusion tissue is present in the leaflet of: