Quiz_Gymnosperm

1. Transfusion tissue is present in the leaflet of:

 
 
 
 

2. Why is Cycas called a living fossil?

 
 
 
 

3. Special feature of pollen grains of Pinus is :

 
 
 
 

4. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

6. Cycas is :

 
 
 
 

7. The male gametes of Pinus are :

 
 
 
 

8. Simple polyembryony is found in :

 
 
 
 

9. Pollination drop is:

 
 
 
 

10. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

12. Which is a redwood tree?

 
 
 
 

13. In Cycas:

 
 
 
 

14. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

18. Proembryo in Pinus is :

 
 
 
 

19. Select the correct statement: (NEET 2016)

 
 
 
 

20. The microsporophylls on the cone of Cycas are :

 
 
 
 

21. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

23. Which condition is found in Cycas?

 
 
 
 

24. Pollination in Pinus is :

 
 
 
 

25. Cycas revoluta is widely grown as :

 
 
 
 

26. Cycas is:

 
 
 
 

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

 
 
 
 

28. Vegetative reproduction in Cycas is by means of :

 
 
 
 

29. Cleavage polyembryony is found in :

 
 
 
 

30. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

32. Mucilaginous canals in Cycas are found in :

 
 
 
 

33. The leaf of Cycas shows:

 
 
 
 

34. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

38. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

40. In Cycas microsporangia are borne on:

 
 
 
 

41. Winged pollen grains are found in :

 
 
 
 

42. In Cycas the fertilization is:

 
 
 
 

43. Winged seeds are found in :

 
 
 
 

44. Ginkgo biloba is a:

 
 
 
 

45. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

47. Which is absent from the xylem of Cycas?

 
 
 
 

48. Germination of the seed of Pinus is :

 
 
 
 

49. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

51. The young leaves of Cycas have :

 
 
 
 

52. Which have the largest antherozoid?

 
 
 
 

53. In Cycas which structure is equivalent to stamen?

 
 
 
 

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

 
 
 
 

55. The roots of Cycas are :

 
 
 
 

56. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

58. The spermatozoids of Cycas are :

 
 
 
 

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

 
 
 
 

60. Cycas is different from mango in :

 
 
 
 

61. Pinus microsporophyll bears:

 
 
 
 

62. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

64. Pinus gerardiana is :

 
 
 
 

65. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

67. Ovules are not found enclosed in ovary in :

 
 
 
 

68. In Gymnosperms endosperm is a:

 
 
 
 

69. The coralloid roots are :

 
 
 
 

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

 
 
 
 

71. Cycas plant in appearance resembles :

 
 
 
 

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