Quiz_Gymnosperm

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

 
 
 
 

2. Simple polyembryony is found in :

 
 
 
 

3. The roots of Cycas are :

 
 
 
 

4. Cycas revoluta is widely grown as :

 
 
 
 

5. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

7. Which is absent from the xylem of Cycas?

 
 
 
 

8. The spermatozoids of Cycas are :

 
 
 
 

9. Why is Cycas called a living fossil?

 
 
 
 

10. Cleavage polyembryony is found in :

 
 
 
 

11. Vegetative reproduction in Cycas is by means of :

 
 
 
 

12. Ovules are not found enclosed in ovary in :

 
 
 
 

13. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

16. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

18. The coralloid roots are :

 
 
 
 

19. Ginkgo biloba is a:

 
 
 
 

20. The microsporophylls on the cone of Cycas are :

 
 
 
 

21. Winged seeds are found in :

 
 
 
 

22. The male gametes of Pinus are :

 
 
 
 

23. Pollination in Cycas takes place by :

 
 
 
 

24. Cycas is different from mango in :

 
 
 
 

25. Cycas plant in appearance resembles :

 
 
 
 

26. In Cycas:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

29. Pinus is:

 
 
 
 

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

 
 
 
 

31. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

33. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

36. Desired type of Cycas can be grown by:

 
 
 
 

37. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

39. Special feature of pollen grains of Pinus is :

 
 
 
 

40. Pollination in Pinus is :

 
 
 
 

41. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The spur of Pinus roxburghii has :

 
 
 
 

48. Winged pollen grains are found in :

 
 
 
 

49. Diploxylic vascular bundles are found in:

 
 
 
 

50. Reproduction in Cycas takes place by :

 
 
 
 

51. Fruits are not found in Cycas because:

 
 
 
 

52. Which have the largest antherozoid?

 
 
 
 

53. Mucilaginous canals in Cycas are found in :

 
 
 
 

54. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

56. In Cycas the fertilization is:

 
 
 
 

57. Germination of the seed of Pinus is :

 
 
 
 

58. In Cycas microsporangia are borne on:

 
 
 
 

59. Climbers are found in genus:

 
 
 
 

60. Cycas is :

 
 
 
 

61. Cycas is:

 
 
 
 

62. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

65. Pollination drop is:

 
 
 
 

66. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Transfusion tissue is present in the leaflet of:

 
 
 
 

70. The leaf of Cycas shows:

 
 
 
 

71. Which of the following is sago palm?

 
 
 
 

72. The phloem of vascular system of Cycas is :