Quiz_Gymnosperm

1. In Cycas microsporangia are borne on:

 
 
 
 

2. Cycas is:

 
 
 
 

3. Vegetative reproduction in Cycas is by means of :

 
 
 
 

4. Cycas plant in appearance resembles :

 
 
 
 

5. Reproduction in Cycas takes place by :

 
 
 
 

6. The leaf of Cycas shows:

 
 
 
 

7. The coralloid roots are :

 
 
 
 

8. In Cycas which structure is equivalent to stamen?

 
 
 
 

9. Transfusion tissue is present in the leaflet of:

 
 
 
 

10. Pinus gerardiana is :

 
 
 
 

11. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

13. Select the correct statement: (NEET 2016)

 
 
 
 

14. Pollination drop is:

 
 
 
 

15. The roots of Cycas are :

 
 
 
 

16. Why is Cycas called a living fossil?

 
 
 
 

17. Winged seeds are found in :

 
 
 
 

18. The spermatozoids of Cycas are :

 
 
 
 

19. Germination of the seed of Pinus is :

 
 
 
 

20. In Cycas the fertilization is:

 
 
 
 

21. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

23. Simple polyembryony is found in :

 
 
 
 

24. Cleavage polyembryony is found in :

 
 
 
 

25. In Cycas:

 
 
 
 

26. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

28. Proembryo in Pinus is :

 
 
 
 

29. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Winged pollen grains are found in :

 
 
 
 

38. The male gametes of Pinus are :

 
 
 
 

39. Fruits are not found in Cycas because:

 
 
 
 

40. Ovules are not found enclosed in ovary in :

 
 
 
 

41. In Gymnosperms endosperm is a:

 
 
 
 

42. Pollination in Cycas takes place by :

 
 
 
 

43. Special feature of pollen grains of Pinus is :

 
 
 
 

44. Mucilaginous canals in Cycas are found in :

 
 
 
 

45. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

47. Cycas revoluta is widely grown as :

 
 
 
 

48. Which condition is found in Cycas?

 
 
 
 

49. The microsporophylls on the cone of Cycas are :

 
 
 
 

50. The vascular bundles of Cycas stem are :

 
 
 
 

51. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

54. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

57. Which is a redwood tree?

 
 
 
 

58. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

60. Cycas is :

 
 
 
 

61. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. Which of the following is sago palm?

 
 
 
 

68. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

70. Ginkgo biloba is a:

 
 
 
 

71. The young leaves of Cycas have :

 
 
 
 

72. Pinus microsporophyll bears: