Quiz_Gymnosperm

1. Winged pollen grains are found in :

 
 
 
 

2. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

4. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

6. Cycas is :

 
 
 
 

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

 
 
 
 

8. Cleavage polyembryony is found in :

 
 
 
 

9. Ovules are not found enclosed in ovary in :

 
 
 
 

10. Diploxylic vascular bundles are found in:

 
 
 
 

11. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

13. Pollination in Pinus is :

 
 
 
 

14. Which of the following is sago palm?

 
 
 
 

15. The leaf of Cycas shows:

 
 
 
 

16. In Cycas:

 
 
 
 

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

 
 
 
 

18. The roots of Cycas are :

 
 
 
 

19. Fruits are not found in Cycas because:

 
 
 
 

20. In Cycas the fertilization is:

 
 
 
 

21. Which condition is found in Cycas?

 
 
 
 

22. Why is Cycas called a living fossil?

 
 
 
 

23. Reproduction in Cycas takes place by :

 
 
 
 

24. Mucilaginous canals in Cycas are found in :

 
 
 
 

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

 
 
 
 

26. Which is a redwood tree?

 
 
 
 

27. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

29. The male gametes of Pinus are :

 
 
 
 

30. The microsporophylls on the cone of Cycas are :

 
 
 
 

31. Special feature of pollen grains of Pinus is :

 
 
 
 

32. In Cycas microsporangia are borne on:

 
 
 
 

33. The young leaves of Cycas have :

 
 
 
 

34. Cycas is different from mango in :

 
 
 
 

35. Pinus microsporophyll bears:

 
 
 
 

36. Germination of the seed of Pinus is :

 
 
 
 

37. Pinus is:

 
 
 
 

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

 
 
 
 

39. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

41. In Gymnosperms endosperm is a:

 
 
 
 

42. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

44. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

46. The vascular bundles of Cycas stem are :

 
 
 
 

47. Pollination drop is:

 
 
 
 

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

 
 
 
 

49. Cycas is:

 
 
 
 

50. Climbers are found in genus:

 
 
 
 

51. Pinus gerardiana is :

 
 
 
 

52. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. The spur of Pinus roxburghii has :

 
 
 
 

57. Select the correct statement: (NEET 2016)

 
 
 
 

58. The phloem of vascular system of Cycas is :

 
 
 
 

59. In Cycas which structure is equivalent to stamen?

 
 
 
 

60. The coralloid roots are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

65. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

67. Which have the largest antherozoid?

 
 
 
 

68. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

70. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

72. Ginkgo biloba is a: