Quiz_Gymnosperm

1. In Gymnosperms endosperm is a:

 
 
 
 

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

 
 
 
 

3. Pollination drop is:

 
 
 
 

4. Which condition is found in Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Ovules are not found enclosed in ovary in :

 
 
 
 

8. The spermatozoids of Cycas are :

 
 
 
 

9. Which is absent from the xylem of Cycas?

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

13. Cycas is similar to a mustard plant :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

17. Transfusion tissue is present in the leaflet of:

 
 
 
 

18. Select the correct statement: (NEET 2016)

 
 
 
 

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

 
 
 
 

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

 
 
 
 

21. Climbers are found in genus:

 
 
 
 

22. Vegetative reproduction in Cycas is by means of :

 
 
 
 

23. Why is Cycas called a living fossil?

 
 
 
 

24. Cycas is:

 
 
 
 

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

 
 
 
 

26. Simple polyembryony is found in :

 
 
 
 

27. Winged pollen grains are found in :

 
 
 
 

28. Pollination in Pinus is :

 
 
 
 

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

 
 
 
 

30. Pollination in Cycas takes place by :

 
 
 
 

31. In Cycas:

 
 
 
 

32. The vascular bundles of Cycas stem are :

 
 
 
 

33. Diploxylic vascular bundles are found in:

 
 
 
 

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

 
 
 
 

35. Germination of the seed of Pinus is :

 
 
 
 

36. Proembryo in Pinus is :

 
 
 
 

37. In Cycas the fertilization is:

 
 
 
 

38. Cycas revoluta is widely grown as :

 
 
 
 

39. Pinus gerardiana is :

 
 
 
 

40. Fruits are not found in Cycas because:

 
 
 
 

41. Mucilaginous canals in Cycas are found in :

 
 
 
 

42. Pinus is:

 
 
 
 

43. In Cycas microsporangia are borne on:

 
 
 
 

44. Cleavage polyembryony is found in :

 
 
 
 

45. The spur of Pinus roxburghii has :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

50. Reproduction in Cycas takes place by :

 
 
 
 

51. Cycas is :

 
 
 
 

52. Which have the largest antherozoid?

 
 
 
 

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

 
 
 
 

54. The coralloid roots are :

 
 
 
 

55. In Cycas which structure is equivalent to stamen?

 
 
 
 

56. The male gametes of Pinus are :

 
 
 
 

57. Special feature of pollen grains of Pinus is :

 
 
 
 

58. The leaf of Cycas shows:

 
 
 
 

59. The microsporophylls on the cone of Cycas are :

 
 
 
 

60. Which of the following is sago palm?

 
 
 
 

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

 
 
 
 

62. Pinus microsporophyll bears:

 
 
 
 

63. Ginkgo biloba is a:

 
 
 
 

64. Cycas plant in appearance resembles :

 
 
 
 

65. Desired type of Cycas can be grown by:

 
 
 
 

66. Cycas is different from mango in :

 
 
 
 

67. Which is a redwood tree?

 
 
 
 

68. Winged seeds are found in :

 
 
 
 

69. The roots of Cycas are :

 
 
 
 

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

 
 
 
 

71. The young leaves of Cycas have :

 
 
 
 

72. The phloem of vascular system of Cycas is :