Quiz_Gymnosperm

1. The spermatozoids of Cycas are :

 
 
 
 

2. Special feature of pollen grains of Pinus is :

 
 
 
 

3. Mucilaginous canals in Cycas are found in :

 
 
 
 

4. Climbers are found in genus:

 
 
 
 

5. Cycas is:

 
 
 
 

6. Cycas is :

 
 
 
 

7. The vascular bundles of Cycas stem are :

 
 
 
 

8. The microsporophylls on the cone of Cycas are :

 
 
 
 

9. In Cycas the fertilization is:

 
 
 
 

10. Simple polyembryony is found in :

 
 
 
 

11. Cycas is different from mango in :

 
 
 
 

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

 
 
 
 

13. Select the correct statement: (NEET 2016)

 
 
 
 

14. Pollination in Cycas takes place by :

 
 
 
 

15. Cycas is similar to a mustard plant :

 
 
 
 

16. Which is a redwood tree?

 
 
 
 

17. Reproduction in Cycas takes place by :

 
 
 
 

18. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

20. Diploxylic vascular bundles are found in:

 
 
 
 

21. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

23. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

25. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

27. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

29. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

31. In Cycas microsporangia are borne on:

 
 
 
 

32. Pollination drop is:

 
 
 
 

33. The young leaves of Cycas have :

 
 
 
 

34. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

36. Winged seeds are found in :

 
 
 
 

37. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Fruits are not found in Cycas because:

 
 
 
 

41. Which condition is found in Cycas?

 
 
 
 

42. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

44. Vegetative reproduction in Cycas is by means of :

 
 
 
 

45. Cycas plant in appearance resembles :

 
 
 
 

46. In Gymnosperms endosperm is a:

 
 
 
 

47. Why is Cycas called a living fossil?

 
 
 
 

48. The phloem of vascular system of Cycas is :

 
 
 
 

49. The roots of Cycas are :

 
 
 
 

50. Cycas revoluta is widely grown as :

 
 
 
 

51. Pinus is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

58. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

62. Which is absent from the xylem of Cycas?

 
 
 
 

63. The coralloid roots are :

 
 
 
 

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

 
 
 
 

65. Transfusion tissue is present in the leaflet of:

 
 
 
 

66. Which of the following is sago palm?

 
 
 
 

67. In Cycas which structure is equivalent to stamen?

 
 
 
 

68. Pinus microsporophyll bears:

 
 
 
 

69. In Cycas:

 
 
 
 

70. Ginkgo biloba is a:

 
 
 
 

71. Proembryo in Pinus is :

 
 
 
 

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