Quiz_Gymnosperm

1. Simple polyembryony is found in :

 
 
 
 

2. Mucilaginous canals in Cycas are found in :

 
 
 
 

3. In Cycas microsporangia are borne on:

 
 
 
 

4. Cycas is:

 
 
 
 

5. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

7. Which have the largest antherozoid?

 
 
 
 

8. Fruits are not found in Cycas because:

 
 
 
 

9. Pollination drop is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

12. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

14. In Cycas which structure is equivalent to stamen?

 
 
 
 

15. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

17. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

19. Pinus gerardiana is :

 
 
 
 

20. The microsporophylls on the cone of Cycas are :

 
 
 
 

21. The leaf of Cycas shows:

 
 
 
 

22. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

24. Which is a redwood tree?

 
 
 
 

25. Climbers are found in genus:

 
 
 
 

26. Ginkgo biloba is a:

 
 
 
 

27. The coralloid roots are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

30. Select the correct statement: (NEET 2016)

 
 
 
 

31. In Cycas the fertilization is:

 
 
 
 

32. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

35. The roots of Cycas are :

 
 
 
 

36. The young leaves of Cycas have :

 
 
 
 

37. Cycas plant in appearance resembles :

 
 
 
 

38. Pollination in Pinus is :

 
 
 
 

39. Which condition is found in Cycas?

 
 
 
 

40. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

45. Cycas is similar to a mustard plant :

 
 
 
 

46. In Gymnosperms endosperm is a:

 
 
 
 

47. Why is Cycas called a living fossil?

 
 
 
 

48. Pinus is:

 
 
 
 

49. Proembryo in Pinus is :

 
 
 
 

50. Cycas is different from mango in :

 
 
 
 

51. The vascular bundles of Cycas stem are :

 
 
 
 

52. Pinus microsporophyll bears:

 
 
 
 

53. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Which is absent from the xylem of Cycas?

 
 
 
 

57. In Cycas:

 
 
 
 

58. The phloem of vascular system of Cycas is :

 
 
 
 

59. Cycas is :

 
 
 
 

60. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

62. Cycas revoluta is widely grown as :

 
 
 
 

63. Reproduction in Cycas takes place by :

 
 
 
 

64. Transfusion tissue is present in the leaflet of:

 
 
 
 

65. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

69. Vegetative reproduction in Cycas is by means of :

 
 
 
 

70. Pollination in Cycas takes place by :

 
 
 
 

71. The male gametes of Pinus are :

 
 
 
 

72. Winged seeds are found in :