Quiz_Gymnosperm

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

 
 
 
 

2. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

4. The young leaves of Cycas have :

 
 
 
 

5. Cycas revoluta is widely grown as :

 
 
 
 

6. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. Reproduction in Cycas takes place by :

 
 
 
 

10. Germination of the seed of Pinus is :

 
 
 
 

11. Cycas is :

 
 
 
 

12. Pollination drop is:

 
 
 
 

13. Pinus is:

 
 
 
 

14. The microsporophylls on the cone of Cycas are :

 
 
 
 

15. Cycas plant in appearance resembles :

 
 
 
 

16. Vegetative reproduction in Cycas is by means of :

 
 
 
 

17. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

19. The roots of Cycas are :

 
 
 
 

20. Simple polyembryony is found in :

 
 
 
 

21. Transfusion tissue is present in the leaflet of:

 
 
 
 

22. Pollination in Pinus is :

 
 
 
 

23. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

25. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

27. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. In Cycas the fertilization is:

 
 
 
 

31. Which of the following is sago palm?

 
 
 
 

32. Why is Cycas called a living fossil?

 
 
 
 

33. Cycas is similar to a mustard plant :

 
 
 
 

34. Which is absent from the xylem of Cycas?

 
 
 
 

35. Proembryo in Pinus is :

 
 
 
 

36. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

38. Which condition is found in Cycas?

 
 
 
 

39. Ginkgo biloba is a:

 
 
 
 

40. In Gymnosperms endosperm is a:

 
 
 
 

41. The vascular bundles of Cycas stem are :

 
 
 
 

42. Winged pollen grains are found in :

 
 
 
 

43. In Cycas:

 
 
 
 

44. Which have the largest antherozoid?

 
 
 
 

45. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

47. Climbers are found in genus:

 
 
 
 

48. Pinus microsporophyll bears:

 
 
 
 

49. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. Desired type of Cycas can be grown by:

 
 
 
 

56. Cycas is:

 
 
 
 

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

 
 
 
 

58. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

60. In Cycas which structure is equivalent to stamen?

 
 
 
 

61. The phloem of vascular system of Cycas is :

 
 
 
 

62. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

64. Cleavage polyembryony is found in :

 
 
 
 

65. Mucilaginous canals in Cycas are found in :

 
 
 
 

66. Fruits are not found in Cycas because:

 
 
 
 

67. Special feature of pollen grains of Pinus is :

 
 
 
 

68. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

71. In Cycas microsporangia are borne on:

 
 
 
 

72. The coralloid roots are :