Quiz_Gymnosperm

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

 
 
 
 

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

 
 
 
 

3. Which have the largest antherozoid?

 
 
 
 

4. Pinus microsporophyll bears:

 
 
 
 

5. Cycas is similar to a mustard plant :

 
 
 
 

6. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

12. Cycas is:

 
 
 
 

13. The phloem of vascular system of Cycas is :

 
 
 
 

14. The leaf of Cycas shows:

 
 
 
 

15. In Cycas the fertilization is:

 
 
 
 

16. The spur of Pinus roxburghii has :

 
 
 
 

17. The coralloid roots are :

 
 
 
 

18. Simple polyembryony is found in :

 
 
 
 

19. Mucilaginous canals in Cycas are found in :

 
 
 
 

20. In Gymnosperms endosperm is a:

 
 
 
 

21. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

23. Cycas is :

 
 
 
 

24. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

29. Ovules are not found enclosed in ovary in :

 
 
 
 

30. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

32. Select the correct statement: (NEET 2016)

 
 
 
 

33. Which is a redwood tree?

 
 
 
 

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

 
 
 
 

35. In Cycas which structure is equivalent to stamen?

 
 
 
 

36. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

38. Desired type of Cycas can be grown by:

 
 
 
 

39. The young leaves of Cycas have :

 
 
 
 

40. Pinus gerardiana is :

 
 
 
 

41. Special feature of pollen grains of Pinus is :

 
 
 
 

42. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

46. Transfusion tissue is present in the leaflet of:

 
 
 
 

47. Which condition is found in Cycas?

 
 
 
 

48. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

50. Winged pollen grains are found in :

 
 
 
 

51. The roots of Cycas are :

 
 
 
 

52. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

54. Which is absent from the xylem of Cycas?

 
 
 
 

55. Pollination in Cycas takes place by :

 
 
 
 

56. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

58. Pinus is:

 
 
 
 

59. Winged seeds are found in :

 
 
 
 

60. Diploxylic vascular bundles are found in:

 
 
 
 

61. In Cycas microsporangia are borne on:

 
 
 
 

62. In Cycas:

 
 
 
 

63. The vascular bundles of Cycas stem are :

 
 
 
 

64. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

66. The microsporophylls on the cone of Cycas are :

 
 
 
 

67. Vegetative reproduction in Cycas is by means of :

 
 
 
 

68. The spermatozoids of Cycas are :

 
 
 
 

69. Cleavage polyembryony is found in :

 
 
 
 

70. Pollination drop is:

 
 
 
 

71. Cycas is different from mango in :

 
 
 
 

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