Quiz_Gymnosperm

1. Pinus is:

 
 
 
 

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

 
 
 
 

3. Climbers are found in genus:

 
 
 
 

4. The microsporophylls on the cone of Cycas are :

 
 
 
 

5. Diploxylic vascular bundles are found in:

 
 
 
 

6. The spermatozoids of Cycas are :

 
 
 
 

7. The phloem of vascular system of Cycas is :

 
 
 
 

8. Cleavage polyembryony is found in :

 
 
 
 

9. Pinus gerardiana is :

 
 
 
 

10. Germination of the seed of Pinus is :

 
 
 
 

11. Cycas is:

 
 
 
 

12. Select the correct statement: (NEET 2016)

 
 
 
 

13. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

15. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

17. Special feature of pollen grains of Pinus is :

 
 
 
 

18. Simple polyembryony is found in :

 
 
 
 

19. The spur of Pinus roxburghii has :

 
 
 
 

20. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

22. The coralloid roots are :

 
 
 
 

23. Vegetative reproduction in Cycas is by means of :

 
 
 
 

24. Desired type of Cycas can be grown by:

 
 
 
 

25. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

27. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

29. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

31. Transfusion tissue is present in the leaflet of:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

34. Cycas revoluta is widely grown as :

 
 
 
 

35. Mucilaginous canals in Cycas are found in :

 
 
 
 

36. Why is Cycas called a living fossil?

 
 
 
 

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

 
 
 
 

38. Which of the following is sago palm?

 
 
 
 

39. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

41. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

43. Pollination in Pinus is :

 
 
 
 

44. Fruits are not found in Cycas because:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. The young leaves of Cycas have :

 
 
 
 

48. Ginkgo biloba is a:

 
 
 
 

49. Pinus microsporophyll bears:

 
 
 
 

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

 
 
 
 

51. In Cycas microsporangia are borne on:

 
 
 
 

52. Pollination drop is:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

55. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

57. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

59. Which have the largest antherozoid?

 
 
 
 

60. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

63. In Cycas which structure is equivalent to stamen?

 
 
 
 

64. Cycas is different from mango in :

 
 
 
 

65. Pollination in Cycas takes place by :

 
 
 
 

66. Which is a redwood tree?

 
 
 
 

67. In Cycas:

 
 
 
 

68. Reproduction in Cycas takes place by :

 
 
 
 

69. Cycas is :

 
 
 
 

70. The roots of Cycas are :

 
 
 
 

71. Cycas is similar to a mustard plant :

 
 
 
 

72. Proembryo in Pinus is :