Quiz_Gymnosperm

1. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

3. Which is a redwood tree?

 
 
 
 

4. In Cycas the fertilization is:

 
 
 
 

5. Cycas is similar to a mustard plant :

 
 
 
 

6. Vegetative reproduction in Cycas is by means of :

 
 
 
 

7. The microsporophylls on the cone of Cycas are :

 
 
 
 

8. Which have the largest antherozoid?

 
 
 
 

9. The spermatozoids of Cycas are :

 
 
 
 

10. Cycas is different from mango in :

 
 
 
 

11. Mucilaginous canals in Cycas are found in :

 
 
 
 

12. Diploxylic vascular bundles are found in:

 
 
 
 

13. Climbers are found in genus:

 
 
 
 

14. Desired type of Cycas can be grown by:

 
 
 
 

15. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

17. Cycas plant in appearance resembles :

 
 
 
 

18. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Winged pollen grains are found in :

 
 
 
 

22. Simple polyembryony is found in :

 
 
 
 

23. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

25. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Why is Cycas called a living fossil?

 
 
 
 

29. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

31. The coralloid roots are :

 
 
 
 

32. Reproduction in Cycas takes place by :

 
 
 
 

33. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

35. Fruits are not found in Cycas because:

 
 
 
 

36. In Cycas which structure is equivalent to stamen?

 
 
 
 

37. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

39. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

44. The spur of Pinus roxburghii has :

 
 
 
 

45. Pinus gerardiana is :

 
 
 
 

46. Cleavage polyembryony is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

49. Pinus is:

 
 
 
 

50. In Cycas microsporangia are borne on:

 
 
 
 

51. Ovules are not found enclosed in ovary in :

 
 
 
 

52. Germination of the seed of Pinus is :

 
 
 
 

53. Cycas is :

 
 
 
 

54. In Gymnosperms endosperm is a:

 
 
 
 

55. Cycas revoluta is widely grown as :

 
 
 
 

56. Which condition is found in Cycas?

 
 
 
 

57. Which is absent from the xylem of Cycas?

 
 
 
 

58. Cycas is:

 
 
 
 

59. In Cycas:

 
 
 
 

60. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

64. Pinus microsporophyll bears:

 
 
 
 

65. The young leaves of Cycas have :

 
 
 
 

66. Pollination in Pinus is :

 
 
 
 

67. Pollination in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

70. The vascular bundles of Cycas stem are :

 
 
 
 

71. Ginkgo biloba is a:

 
 
 
 

72. Pollination drop is: