BOTANY 105 Lab. Test # 2, Spring, 1996 NAME____________________________________

Rules of this examination:

A. You will have two chances to show your instructor the following features; full credit will result if you are correct the first time; 1/2 credit for a second chance; no credit for missing 2 in a row.

B. You are to work individually.

C. Only one student at a time should show feature (-s) to the instructor.

D. Point the feature out to the instructor without speaking .

E. Do not write on any part of the exam.

Questions 1-20 = 2.5 pts each or a total of 50 pts.

Questions 21-50 = 1.67 pts each or a total 50 pts.
______ ______ 1an embryo sac nucleus that, after syngamy, will develop into the nutritive tissue for the germinating

embryo in an angiosperm

______ ______ 2archegonium of a bryophyte
______ ______ 3asexual structures in an embryophyte
______ ______ 4bract in a conifer strobilus (100X)
______ ______ 5cotyledon in a dicot embryo (100X)
______ ______ 6embryo (100X)
______ ______ 7enation (that is, a leaf-like scale) (100X)
______ ______ 8hygroscopic structure in a liverwort
______ ______ 9hygroscopic structure in a pteridophyte (100X)
______ ______ 10megaphyll in a vascular plant without a seed (100X)
______ ______ 11microphyllous microsporophyll (100X)
______ ______ 12microspore in a seed plant (400X)
______ ______ 13nucleus (or cell) that will form the male gametes in the immature male gametophyte

of a flowering plant

______ ______ 14petal
______ ______ 15sporangiophore (100X)
______ ______ 16the archegonium in a gymnosperm (100X)
______ ______ 17the energy tissue for the germinating embryo (conifer seed)
______ ______ 18ventral canal cell (400X)
______ ______ 19meristem of meiocytes
______ ______ 20meiospores in a seed plant

21. This plant has:

____________________________ A. complete, imperfect, actionmorphic flowers with an inferior ovary

B. complete, perfect, zygomorphic, and hypogynous flowers

C. complete, perfect, actionmorphic, epigynous flowers

D. incomplete, perfect, zygomorphic flowers with a superior ovary

E. None of the above

____________________________22. What is the hair-like protrusion attached to the end of the fruit in this plant

____________________________23. This plant has :

A. a simple fruit that is a berry

B. an accessory fruit that is a hesperdium

C. a compound fruit that is a pome

D. a simple, accessory fruit that is a drupe

E. none of the above

____________________________24. What is the type of ovary?

____________________________25. Name the type of inflourescence possessed by the plant that produced the structures in the dish.

____________________________26. The fruit of this plant is:

A. simple and accessory

B. aggregate (comes from several ovaries of one flower) and accessory

C. compound (comes from several ovaries of several flowers) and accessory

D. None of the above

____________________________27. The two, outermost whorls of the flower collectively called the ?

From the plants provided, which has or demonstrates

____________________________28. an indusium?

____________________________29. sorus (fresh)

____________________________30. strobilus (fresh)

____________________________31. synangium (100X)

____________________________32. whorled arrangement of branches (fresh)

From the plants provided which ones show:

____________________________33. a club moss

____________________________34. calyptra (fresh material or microscope)

____________________________35. gemma

____________________________36. haploid tissue in a fern

____________________________37. leafy liverwort

____________________________38. male gametophyte of an acrocarpus moss

____________________________39. operculum (100X)

From the plants provided, which one (ones) is (are) or has

____________________________40. megastrobilus with exerted bract

____________________________41. Douglas fir

____________________________42. Abies

____________________________43. Picea

____________________________44. A male strobilus

____________________________45. A Female strobilus

From the plants provided, which one (ones) is (are) or has:

____________________________46. A Basidiomycete

____________________________47. An Ascomycete

____________________________48. A Fruticose Lichen

____________________________49. A Lichen with a Blue-Green Algal Symbiont

____________________________50. A Brown Alga