Quiz_Gymnosperm

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

 
 
 
 

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

 
 
 
 

3. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Mucilaginous canals in Cycas are found in :

 
 
 
 

8. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

11. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

13. The phloem of vascular system of Cycas is :

 
 
 
 

14. Cycas is different from mango in :

 
 
 
 

15. Cleavage polyembryony is found in :

 
 
 
 

16. Cycas plant in appearance resembles :

 
 
 
 

17. Which is absent from the xylem of Cycas?

 
 
 
 

18. Special feature of pollen grains of Pinus is :

 
 
 
 

19. Cycas is:

 
 
 
 

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

 
 
 
 

21. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

23. Cycas revoluta is widely grown as :

 
 
 
 

24. The vascular bundles of Cycas stem are :

 
 
 
 

25. In Gymnosperms endosperm is a:

 
 
 
 

26. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

28. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

30. Winged seeds are found in :

 
 
 
 

31. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

33. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

35. The roots of Cycas are :

 
 
 
 

36. Pollination in Pinus is :

 
 
 
 

37. Winged pollen grains are found in :

 
 
 
 

38. The male gametes of Pinus are :

 
 
 
 

39. The spermatozoids of Cycas are :

 
 
 
 

40. In Cycas which structure is equivalent to stamen?

 
 
 
 

41. Diploxylic vascular bundles are found in:

 
 
 
 

42. Pinus is:

 
 
 
 

43. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

45. Vegetative reproduction in Cycas is by means of :

 
 
 
 

46. Cycas is :

 
 
 
 

47. The coralloid roots are :

 
 
 
 

48. The young leaves of Cycas have :

 
 
 
 

49. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

51. In Cycas:

 
 
 
 

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

 
 
 
 

53. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

55. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

57. Pinus gerardiana is :

 
 
 
 

58. Simple polyembryony is found in :

 
 
 
 

59. Proembryo in Pinus is :

 
 
 
 

60. The leaf of Cycas shows:

 
 
 
 

61. Transfusion tissue is present in the leaflet of:

 
 
 
 

62. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

64. Pinus microsporophyll bears:

 
 
 
 

65. In Cycas microsporangia are borne on:

 
 
 
 

66. Which of the following is sago palm?

 
 
 
 

67. Pollination drop is:

 
 
 
 

68. Select the correct statement: (NEET 2016)

 
 
 
 

69. Ovules are not found enclosed in ovary in :

 
 
 
 

70. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

72. The microsporophylls on the cone of Cycas are :