biology - Gymnosperms
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Question 1 of 50
1. Question
Gymnosperms are naked seeded plants as they lack:
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Question 2 of 50
2. Question
Ovules with pollen chamber, integument single and ovule with archegonia are found in:
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Question 3 of 50
3. Question
Cycas differs from pinus in producing:
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Question 4 of 50
4. Question
In Cycas, the pollens are discharged at:
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Question 5 of 50
5. Question
The male gametophyte at maturity in Cycas is at:
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Question 6 of 50
6. Question
In gymnospenns, development of microsporangtum is of:
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Question 7 of 50
7. Question
The ploidy level of integument, nucellus and female prothallus in ovule of Cycas is:
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Question 8 of 50
8. Question
Siphonogamy occurs in:
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Question 9 of 50
9. Question
Winged pllens (pollens with two saci) are produced in:
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Question 10 of 50
10. Question
In gymnosperms, the endosperm is always haploid due to its:
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Question 11 of 50
11. Question
Cataphylls are also called:
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Question 12 of 50
12. Question
Initegmic and orthotropuous ovules are found in:
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Question 13 of 50
13. Question
Thickly cuticularized epidermis with sunken tomato in leaves is characteristics of:
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Question 14 of 50
14. Question
Transfusion tissue occurs in:
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Question 15 of 50
15. Question
The development of femalegametophyte in Cycas or Pinus is:
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Question 16 of 50
16. Question
Megaspore gives rise to embryosae with egg apparatus, polars and synergids in:
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Question 17 of 50
17. Question
The female gamete (ovum ) in gymnosperms develops in:
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Question 18 of 50
18. Question
Nonmotile male gametes are found in:
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Question 19 of 50
19. Question
Find out the odd:
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Question 20 of 50
20. Question
Living fossils are;
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Question 21 of 50
21. Question
Largest sized ovule and largest male gametes are produced by :
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Question 22 of 50
22. Question
Uniseriate bordered pits are found on the radial walls of xylem tracheids in:
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Question 23 of 50
23. Question
Plant body is strictly heterosporous in:
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Question 24 of 50
24. Question
The archegonia of gymnosperms lack:
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Question 25 of 50
25. Question
Coralloid roots of Cycas is:
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Question 26 of 50
26. Question
In radial longitudinal section of Pinus stem:
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Question 27 of 50
27. Question
Girdled leaf traces are found in:
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Question 28 of 50
28. Question
Cycas lacks:
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Question 29 of 50
29. Question
Hard,massive and pycnoxylic wood is produced in:
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Question 30 of 50
30. Question
Clusters of male cones are produced in:
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Question 31 of 50
31. Question
Time required between pollination and fertilization in Pinus is:
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Question 32 of 50
32. Question
Spur of Pinus longifolia is:
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Question 33 of 50
33. Question
Monoecious plant body is found in:
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Question 34 of 50
34. Question
Resin canals are found distributed in Pinus stem in:
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Question 35 of 50
35. Question
The mesophyll cells are provided with peg like foldings in:
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Question 36 of 50
36. Question
Gymnospermous plants are strictly:
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Question 37 of 50
37. Question
Spur is produced by:
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Question 38 of 50
38. Question
Annual rings are well marked in the main shoot of:
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Question 39 of 50
39. Question
Chilgoza fruits are produced by:
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Question 40 of 50
40. Question
Which is not found in gymnosperms?
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Question 41 of 50
41. Question
Blue pine is:
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Question 42 of 50
42. Question
Coralloid roots of Cycas contain endophytic colony of:
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Question 43 of 50
43. Question
The function of transfusion tissue in gymnosperms is:
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Question 44 of 50
44. Question
Mesarch xylem occurs in vascular bundle of:
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Question 45 of 50
45. Question
Non-porous wood is produced by:
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Question 46 of 50
46. Question
Pinus exhibits:
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Question 47 of 50
47. Question
Xylem with vessels is found in which gymnosperms?
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Question 48 of 50
48. Question
Mature seeds are found in pinus female cones of:
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Question 49 of 50
49. Question
Persistent leaf base’s scare are quite distinet on the stem of:
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Question 50 of 50
50. Question
The foliage leaves of Cycas are:
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