Quiz_Gymnosperm

1. Desired type of Cycas can be grown by:

 
 
 
 

2. Cycas revoluta is widely grown as :

 
 
 
 

3. The coralloid roots are :

 
 
 
 

4. Diploxylic vascular bundles are found in:

 
 
 
 

5. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. In Cycas which structure is equivalent to stamen?

 
 
 
 

11. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

13. Ovules are not found enclosed in ovary in :

 
 
 
 

14. Cycas is:

 
 
 
 

15. Cleavage polyembryony is found in :

 
 
 
 

16. Select the correct statement: (NEET 2016)

 
 
 
 

17. Germination of the seed of Pinus is :

 
 
 
 

18. Pollination drop is:

 
 
 
 

19. Vegetative reproduction in Cycas is by means of :

 
 
 
 

20. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

22. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

24. Pinus is:

 
 
 
 

25. The roots of Cycas are :

 
 
 
 

26. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

28. The spur of Pinus roxburghii has :

 
 
 
 

29. The vascular bundles of Cycas stem are :

 
 
 
 

30. Cycas is different from mango in :

 
 
 
 

31. Mucilaginous canals in Cycas are found in :

 
 
 
 

32. Winged seeds are found in :

 
 
 
 

33. The spermatozoids of Cycas are :

 
 
 
 

34. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

37. Winged pollen grains are found in :

 
 
 
 

38. In Cycas the fertilization is:

 
 
 
 

39. Which have the largest antherozoid?

 
 
 
 

40. Which of the following is sago palm?

 
 
 
 

41. Pinus microsporophyll bears:

 
 
 
 

42. In Cycas:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Ginkgo biloba is a:

 
 
 
 

46. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

48. Pinus gerardiana is :

 
 
 
 

49. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

51. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

53. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

55. Fruits are not found in Cycas because:

 
 
 
 

56. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

58. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

61. Special feature of pollen grains of Pinus is :

 
 
 
 

62. Cycas is :

 
 
 
 

63. In Gymnosperms endosperm is a:

 
 
 
 

64. Which is a redwood tree?

 
 
 
 

65. The leaf of Cycas shows:

 
 
 
 

66. Reproduction in Cycas takes place by :

 
 
 
 

67. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

69. Cycas is similar to a mustard plant :

 
 
 
 

70. Transfusion tissue is present in the leaflet of:

 
 
 
 

71. Simple polyembryony is found in :

 
 
 
 

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