Quiz_Gymnosperm

1. Winged pollen grains are found in :

 
 
 
 

2. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

4. Desired type of Cycas can be grown by:

 
 
 
 

5. Germination of the seed of Pinus is :

 
 
 
 

6. Cycas is different from mango in :

 
 
 
 

7. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

12. Which have the largest antherozoid?

 
 
 
 

13. The microsporophylls on the cone of Cycas are :

 
 
 
 

14. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

16. Cycas is:

 
 
 
 

17. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

19. Special feature of pollen grains of Pinus is :

 
 
 
 

20. Winged seeds are found in :

 
 
 
 

21. Transfusion tissue is present in the leaflet of:

 
 
 
 

22. Pinus is:

 
 
 
 

23. Which is absent from the xylem of Cycas?

 
 
 
 

24. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

26. The spur of Pinus roxburghii has :

 
 
 
 

27. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

29. Cycas is :

 
 
 
 

30. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The vascular bundles of Cycas stem are :

 
 
 
 

36. The phloem of vascular system of Cycas is :

 
 
 
 

37. Proembryo in Pinus is :

 
 
 
 

38. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

41. Simple polyembryony is found in :

 
 
 
 

42. Pollination in Pinus is :

 
 
 
 

43. Vegetative reproduction in Cycas is by means of :

 
 
 
 

44. Pollination drop is:

 
 
 
 

45. Which is a redwood tree?

 
 
 
 

46. Diploxylic vascular bundles are found in:

 
 
 
 

47. Climbers are found in genus:

 
 
 
 

48. In Cycas which structure is equivalent to stamen?

 
 
 
 

49. The young leaves of Cycas have :

 
 
 
 

50. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

53. The coralloid roots are :

 
 
 
 

54. Pinus gerardiana is :

 
 
 
 

55. Why is Cycas called a living fossil?

 
 
 
 

56. In Cycas the fertilization is:

 
 
 
 

57. Cleavage polyembryony is found in :

 
 
 
 

58. In Cycas microsporangia are borne on:

 
 
 
 

59. Mucilaginous canals in Cycas are found in :

 
 
 
 

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

 
 
 
 

61. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

63. In Cycas:

 
 
 
 

64. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

67. The male gametes of Pinus are :

 
 
 
 

68. Select the correct statement: (NEET 2016)

 
 
 
 

69. Which condition is found in Cycas?

 
 
 
 

70. The roots of Cycas are :

 
 
 
 

71. Cycas plant in appearance resembles :

 
 
 
 

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