Quiz_Gymnosperm

1. Cleavage polyembryony is found in :

 
 
 
 

2. Select the correct statement: (NEET 2016)

 
 
 
 

3. In Cycas the fertilization is:

 
 
 
 

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

 
 
 
 

5. The spermatozoids of Cycas are :

 
 
 
 

6. Simple polyembryony is found in :

 
 
 
 

7. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

9. Why is Cycas called a living fossil?

 
 
 
 

10. Cycas is different from mango in :

 
 
 
 

11. The phloem of vascular system of Cycas is :

 
 
 
 

12. Diploxylic vascular bundles are found in:

 
 
 
 

13. Proembryo in Pinus is :

 
 
 
 

14. The microsporophylls on the cone of Cycas are :

 
 
 
 

15. Which condition is found in Cycas?

 
 
 
 

16. Fruits are not found in Cycas because:

 
 
 
 

17. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

20. Winged seeds are found in :

 
 
 
 

21. Cycas revoluta is widely grown as :

 
 
 
 

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

 
 
 
 

23. In Cycas which structure is equivalent to stamen?

 
 
 
 

24. Pollination in Pinus is :

 
 
 
 

25. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

28. Pollination drop is:

 
 
 
 

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

 
 
 
 

30. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

33. Cycas is:

 
 
 
 

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

 
 
 
 

35. The vascular bundles of Cycas stem are :

 
 
 
 

36. Pinus microsporophyll bears:

 
 
 
 

37. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

39. Transfusion tissue is present in the leaflet of:

 
 
 
 

40. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

42. Ovules are not found enclosed in ovary in :

 
 
 
 

43. The leaf of Cycas shows:

 
 
 
 

44. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

47. Mucilaginous canals in Cycas are found in :

 
 
 
 

48. Pinus is:

 
 
 
 

49. Climbers are found in genus:

 
 
 
 

50. In Gymnosperms endosperm is a:

 
 
 
 

51. The young leaves of Cycas have :

 
 
 
 

52. The roots of Cycas are :

 
 
 
 

53. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

55. Which have the largest antherozoid?

 
 
 
 

56. Cycas is :

 
 
 
 

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

 
 
 
 

58. The spur of Pinus roxburghii has :

 
 
 
 

59. Vegetative reproduction in Cycas is by means of :

 
 
 
 

60. Ginkgo biloba is a:

 
 
 
 

61. In Cycas:

 
 
 
 

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

 
 
 
 

63. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

66. Which is a redwood tree?

 
 
 
 

67. Pollination in Cycas takes place by :

 
 
 
 

68. Desired type of Cycas can be grown by:

 
 
 
 

69. Reproduction in Cycas takes place by :

 
 
 
 

70. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

72. The coralloid roots are :