Quiz_Gymnosperm

1. Ovules are not found enclosed in ovary in :

 
 
 
 

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

 
 
 
 

3. Select the correct statement: (NEET 2016)

 
 
 
 

4. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

6. Which is a redwood tree?

 
 
 
 

7. Which is absent from the xylem of Cycas?

 
 
 
 

8. In Cycas which structure is equivalent to stamen?

 
 
 
 

9. Proembryo in Pinus is :

 
 
 
 

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

 
 
 
 

11. Pinus microsporophyll bears:

 
 
 
 

12. Transfusion tissue is present in the leaflet of:

 
 
 
 

13. Winged seeds are found in :

 
 
 
 

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

 
 
 
 

15. Vegetative reproduction in Cycas is by means of :

 
 
 
 

16. Why is Cycas called a living fossil?

 
 
 
 

17. Cycas is different from mango in :

 
 
 
 

18. Pinus gerardiana is :

 
 
 
 

19. Ginkgo biloba is a:

 
 
 
 

20. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

22. Special feature of pollen grains of Pinus is :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

26. Simple polyembryony is found in :

 
 
 
 

27. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

29. The young leaves of Cycas have :

 
 
 
 

30. Climbers are found in genus:

 
 
 
 

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

 
 
 
 

32. Cycas is :

 
 
 
 

33. The vascular bundles of Cycas stem are :

 
 
 
 

34. Pollination in Cycas takes place by :

 
 
 
 

35. Pollination drop is:

 
 
 
 

36. Which have the largest antherozoid?

 
 
 
 

37. Desired type of Cycas can be grown by:

 
 
 
 

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

 
 
 
 

39. The microsporophylls on the cone of Cycas are :

 
 
 
 

40. Winged pollen grains are found in :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

43. The phloem of vascular system of Cycas is :

 
 
 
 

44. Germination of the seed of Pinus is :

 
 
 
 

45. Cycas plant in appearance resembles :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Mucilaginous canals in Cycas are found in :

 
 
 
 

51. The male gametes of Pinus are :

 
 
 
 

52. Reproduction in Cycas takes place by :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

56. In Cycas the fertilization is:

 
 
 
 

57. The spur of Pinus roxburghii has :

 
 
 
 

58. Cleavage polyembryony is found in :

 
 
 
 

59. Diploxylic vascular bundles are found in:

 
 
 
 

60. The leaf of Cycas shows:

 
 
 
 

61. Fruits are not found in Cycas because:

 
 
 
 

62. Cycas is:

 
 
 
 

63. The coralloid roots are :

 
 
 
 

64. In Cycas:

 
 
 
 

65. Cycas revoluta is widely grown as :

 
 
 
 

66. In Gymnosperms endosperm is a:

 
 
 
 

67. In Cycas microsporangia are borne on:

 
 
 
 

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

 
 
 
 

69. The spermatozoids of Cycas are :

 
 
 
 

70. Pinus is:

 
 
 
 

71. Which of the following is sago palm?

 
 
 
 

72. Cycas is similar to a mustard plant :