11th class (FSc) Biology Unit 9 MCQs
26. Polytichum is a:
a. Moss
b. Horwort
c. Clab moss
d. Liverwortz
27. Which one is an example of non-vascular plants?
a. Adiantum
b. Rhynia
c. Marchantia
d. Psilotum
28. Marchantia is an example of:
a. Hepaticopsida
b. Bryopsida
c. Anthoceropsida
d. Lycopsida
29. The gametophyte of mosses is:
a. Polypoid
b. Diploid
c. Tetrapoda
d. Haploid
30. Musci are commonly called:
a. Hornworts
b. Liverworts
c. Club mosses
d. Mosses
31. Which one of the following belongs to group musci bryopsida:
a. Marchantia
b. Polytrichum
c. Porella
d. Anthoceros
32. Vascular plant are:
a. Tracheophytes
b. Bryophytes
c. None of these
d. Embryophytes
33. Tracheophyta is further subdivided into:
a. 04 subdivisions
b. 02 subdivisions
c. 07 subdivisions
d. 03 subdivisions
34. Rootless sporophyte is found in:
a. Sphenopsida
b. Psilopsida
c. Pteropsida
d. Lycopsida
35. Which one of the following is not extinct?
a. Psilophyton
b. Horneophyton
c. Cooksonia
d. Psilotum
36. Living genus of psilopsida is:
a. Horneophyton
b. Cooksonia
c. Psilotum
d. Psilophyton
37. In psilopsida sporangia are produced at:
a. Margins of leaves
b. Tips of branches
c. Axils of leaves
d. In the axils of branches
38. The living member of psilopsida is:
a. Psilophytond
b. Rhynia
c. Tmesipeteris
d. Cooksonia
39. The process of evolution of leaf was completed in more than million years:
a. 20-25
b. 10-15
c. 10-12
d. 15-20
40. Small leaves having a single undivided vein are called:
a. Neutrophylls
b. Microphylls
c. Heterophylls
d. Megaphylls
41. A heterosporous plant is one that:
a. Is a seedless vascular plant
b. Produces a gametophyte that bears both sex organs
c. Produces two of spores, one asexually by mitosis and one type by meiosis
d. Produces microspores and megaspores in separate sporangia, giving rise to separate make and female gametophytes
42. Heterospory is the production of two types of:
a. Sperms
b. Gametes
c. Eggs
d. Spores
43. Strobilus is the reproductive structure of:
a. Psilotum
b. Selaginella
c. Rhynia
d. Equisctum
44. Selaginella resemble seed producing plants because of:
a. Heterosporous
b. Homosporous
c. Heterogamous
d. Homogamous
45. A heteroporous plant is one that:
a. Is seedless gametophytes
b. Produces a gametophyte that bear both sex organs
c. Produces two kinds of spores one sexually by mitosis and one type by meiosis
d. Produces microspores and megaspore in separate sporangia giving rise to separate male and female gemetophytes
46. Two kinds of spores are present:
a. Adiantum
b. Lycopodium
c. Anthoceros
d. Selaginella
47. In lycopsids. The arrangement of leaves is:
a. Opposite
b. Spiral
c. Alternate
d. All of these
48. Lycopesicum esculentura belong to:
a. Solanaaceae
b. Cruciferae
c. Poaceae
d. Febaceae
49. Which one of the following is termed as horsetail?
a. Pteropsida
b. Lycopsida
c. Psilopsida
d. Sphenopsida
50. Horsetail belongs to subdivision:
a. Sphenopsida
b. Hycopsida
c. Pleropsida
d. Psilopsida