Quiz_Gymnosperm

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

 
 
 
 

2. Proembryo in Pinus is :

 
 
 
 

3. Vegetative reproduction in Cycas is by means of :

 
 
 
 

4. The male gametes of Pinus are :

 
 
 
 

5. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

7. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

9. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

11. In Cycas microsporangia are borne on:

 
 
 
 

12. Pollination in Cycas takes place by :

 
 
 
 

13. Special feature of pollen grains of Pinus is :

 
 
 
 

14. Climbers are found in genus:

 
 
 
 

15. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

17. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

19. Ovules are not found enclosed in ovary in :

 
 
 
 

20. Why is Cycas called a living fossil?

 
 
 
 

21. Ginkgo biloba is a:

 
 
 
 

22. Pollination drop is:

 
 
 
 

23. Cycas plant in appearance resembles :

 
 
 
 

24. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

26. Pinus gerardiana is :

 
 
 
 

27. In Cycas the fertilization is:

 
 
 
 

28. The roots of Cycas are :

 
 
 
 

29. The young leaves of Cycas have :

 
 
 
 

30. In Cycas:

 
 
 
 

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

 
 
 
 

32. Cycas is different from mango in :

 
 
 
 

33. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

42. The microsporophylls on the cone of Cycas are :

 
 
 
 

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

 
 
 
 

44. The leaf of Cycas shows:

 
 
 
 

45. Winged seeds are found in :

 
 
 
 

46. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

48. Pinus microsporophyll bears:

 
 
 
 

49. Simple polyembryony is found in :

 
 
 
 

50. The vascular bundles of Cycas stem are :

 
 
 
 

51. Transfusion tissue is present in the leaflet of:

 
 
 
 

52. Mucilaginous canals in Cycas are found in :

 
 
 
 

53. The coralloid roots are :

 
 
 
 

54. Which of the following is sago palm?

 
 
 
 

55. Cycas is :

 
 
 
 

56. Pollination in Pinus is :

 
 
 
 

57. Cycas is:

 
 
 
 

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

 
 
 
 

59. In Gymnosperms endosperm is a:

 
 
 
 

60. Which condition is found in Cycas?

 
 
 
 

61. The spermatozoids of Cycas are :

 
 
 
 

62. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

64. Cycas is similar to a mustard plant :

 
 
 
 

65. The spur of Pinus roxburghii has :

 
 
 
 

66. Cleavage polyembryony is found in :

 
 
 
 

67. Pinus is:

 
 
 
 

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

 
 
 
 

69. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

71. Which have the largest antherozoid?

 
 
 
 

72. Select the correct statement: (NEET 2016)