Quiz_Gymnosperm

1. Mucilaginous canals in Cycas are found in :

 
 
 
 

2. Cycas is different from mango in :

 
 
 
 

3. Which condition is found in Cycas?

 
 
 
 

4. Cycas is similar to a mustard plant :

 
 
 
 

5. The roots of Cycas are :

 
 
 
 

6. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

8. Ginkgo biloba is a:

 
 
 
 

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

 
 
 
 

10. The young leaves of Cycas have :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Select the correct statement: (NEET 2016)

 
 
 
 

14. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

16. The phloem of vascular system of Cycas is :

 
 
 
 

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

 
 
 
 

18. Special feature of pollen grains of Pinus is :

 
 
 
 

19. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

21. In Cycas which structure is equivalent to stamen?

 
 
 
 

22. Cycas is :

 
 
 
 

23. Reproduction in Cycas takes place by :

 
 
 
 

24. The leaf of Cycas shows:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

27. Which have the largest antherozoid?

 
 
 
 

28. Pollination in Cycas takes place by :

 
 
 
 

29. In Cycas:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

32. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

34. Vegetative reproduction in Cycas is by means of :

 
 
 
 

35. Winged pollen grains are found in :

 
 
 
 

36. The spermatozoids of Cycas are :

 
 
 
 

37. Simple polyembryony is found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

40. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

42. Desired type of Cycas can be grown by:

 
 
 
 

43. Pinus is:

 
 
 
 

44. In Cycas the fertilization is:

 
 
 
 

45. Cleavage polyembryony is found in :

 
 
 
 

46. Germination of the seed of Pinus is :

 
 
 
 

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

 
 
 
 

48. Pinus microsporophyll bears:

 
 
 
 

49. Proembryo in Pinus is :

 
 
 
 

50. In Gymnosperms endosperm is a:

 
 
 
 

51. The vascular bundles of Cycas stem are :

 
 
 
 

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

 
 
 
 

53. The coralloid roots are :

 
 
 
 

54. The male gametes of Pinus are :

 
 
 
 

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

 
 
 
 

56. Pinus gerardiana is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

59. In Cycas microsporangia are borne on:

 
 
 
 

60. Fruits are not found in Cycas because:

 
 
 
 

61. Pollination drop is:

 
 
 
 

62. Cycas is:

 
 
 
 

63. Why is Cycas called a living fossil?

 
 
 
 

64. Cycas revoluta is widely grown as :

 
 
 
 

65. Which is a redwood tree?

 
 
 
 

66. Diploxylic vascular bundles are found in:

 
 
 
 

67. The microsporophylls on the cone of Cycas are :

 
 
 
 

68. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

70. Ovules are not found enclosed in ovary in :

 
 
 
 

71. Transfusion tissue is present in the leaflet of:

 
 
 
 

72. Climbers are found in genus: