Quiz_Gymnosperm

1. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

3. The vascular bundles of Cycas stem are :

 
 
 
 

4. Diploxylic vascular bundles are found in:

 
 
 
 

5. Fruits are not found in Cycas because:

 
 
 
 

6. Winged pollen grains are found in :

 
 
 
 

7. In Cycas microsporangia are borne on:

 
 
 
 

8. Desired type of Cycas can be grown by:

 
 
 
 

9. The spermatozoids of Cycas are :

 
 
 
 

10. In Cycas:

 
 
 
 

11. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

14. The coralloid roots are :

 
 
 
 

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

 
 
 
 

16. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

23. Pinus is:

 
 
 
 

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

 
 
 
 

25. In Cycas the fertilization is:

 
 
 
 

26. Climbers are found in genus:

 
 
 
 

27. The leaf of Cycas shows:

 
 
 
 

28. Cycas is:

 
 
 
 

29. Germination of the seed of Pinus is :

 
 
 
 

30. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Why is Cycas called a living fossil?

 
 
 
 

34. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

36. Transfusion tissue is present in the leaflet of:

 
 
 
 

37. Cycas is similar to a mustard plant :

 
 
 
 

38. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Which have the largest antherozoid?

 
 
 
 

42. The roots of Cycas are :

 
 
 
 

43. Special feature of pollen grains of Pinus is :

 
 
 
 

44. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. The phloem of vascular system of Cycas is :

 
 
 
 

50. Pinus microsporophyll bears:

 
 
 
 

51. Which is absent from the xylem of Cycas?

 
 
 
 

52. Cleavage polyembryony is found in :

 
 
 
 

53. Which is a redwood tree?

 
 
 
 

54. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

56. In Gymnosperms endosperm is a:

 
 
 
 

57. Pollination in Cycas takes place by :

 
 
 
 

58. Ovules are not found enclosed in ovary in :

 
 
 
 

59. Cycas plant in appearance resembles :

 
 
 
 

60. Vegetative reproduction in Cycas is by means of :

 
 
 
 

61. Pinus gerardiana is :

 
 
 
 

62. The male gametes of Pinus are :

 
 
 
 

63. Mucilaginous canals in Cycas are found in :

 
 
 
 

64. The young leaves of Cycas have :

 
 
 
 

65. Which of the following is sago palm?

 
 
 
 

66. Reproduction in Cycas takes place by :

 
 
 
 

67. Simple polyembryony is found in :

 
 
 
 

68. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

70. Select the correct statement: (NEET 2016)

 
 
 
 

71. Pollination drop is:

 
 
 
 

72. Cycas is :