Quiz_Gymnosperm

1. Special feature of pollen grains of Pinus is :

 
 
 
 

2. The microsporophylls on the cone of Cycas are :

 
 
 
 

3. Cycas is similar to a mustard plant :

 
 
 
 

4. In Cycas the fertilization is:

 
 
 
 

5. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

9. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

11. Pinus microsporophyll bears:

 
 
 
 

12. Cycas plant in appearance resembles :

 
 
 
 

13. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

15. Cycas is:

 
 
 
 

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

 
 
 
 

17. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

19. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

21. Which of the following is sago palm?

 
 
 
 

22. Pinus is:

 
 
 
 

23. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

25. Simple polyembryony is found in :

 
 
 
 

26. Diploxylic vascular bundles are found in:

 
 
 
 

27. Why is Cycas called a living fossil?

 
 
 
 

28. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

30. The phloem of vascular system of Cycas is :

 
 
 
 

31. Winged pollen grains are found in :

 
 
 
 

32. Pollination drop is:

 
 
 
 

33. The coralloid roots are :

 
 
 
 

34. Cycas is :

 
 
 
 

35. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

37. Germination of the seed of Pinus is :

 
 
 
 

38. Cycas is different from mango in :

 
 
 
 

39. The young leaves of Cycas have :

 
 
 
 

40. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

42. Which is absent from the xylem of Cycas?

 
 
 
 

43. In Gymnosperms endosperm is a:

 
 
 
 

44. Pollination in Cycas takes place by :

 
 
 
 

45. Mucilaginous canals in Cycas are found in :

 
 
 
 

46. Select the correct statement: (NEET 2016)

 
 
 
 

47. Transfusion tissue is present in the leaflet of:

 
 
 
 

48. Fruits are not found in Cycas because:

 
 
 
 

49. Climbers are found in genus:

 
 
 
 

50. In Cycas which structure is equivalent to stamen?

 
 
 
 

51. Cycas revoluta is widely grown as :

 
 
 
 

52. Which is a redwood tree?

 
 
 
 

53. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

55. In Cycas microsporangia are borne on:

 
 
 
 

56. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

58. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

60. The leaf of Cycas shows:

 
 
 
 

61. Which condition is found in Cycas?

 
 
 
 

62. Reproduction in Cycas takes place by :

 
 
 
 

63. Vegetative reproduction in Cycas is by means of :

 
 
 
 

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

 
 
 
 

65. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

68. Desired type of Cycas can be grown by:

 
 
 
 

69. In Cycas:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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