Botany Chapter 39 Practice Test
55 Questions
| Total Attempts: 272
This test is based on botany 200 class at wiu chapter 39
Questions and Answers
- 1.A process where a muliticellular diploid generation alternates with a multicellular halploid generation is...
- 2.Female gametophytes
- A.
Megaametophytes
- B.
Megasporangia
- C.
Microgametopytes
- D.
Microsporangia
- 3.Male gametophytes
- A.
Megagametopytes
- B.
Megasporangia
- C.
Microgametophytes
- D.
Microsporangia
- 4.Cross pollination is when pollen from an anther is transferred to a stigma of the same flower or plant
- A.
True
- B.
False
- 5.A male gametophyte has one pollen tube and 2 sperm cells
- A.
True
- B.
False
- 6.A stigma allows all genotypes to germinate
- A.
True
- B.
False
- 7.A pollen tube grows to ______, and through micropyle.
- 8.Pollination and fertilization are separate events/processes
- A.
True
- B.
False
- 9.A pollen tube grows downward on the inside of a style until it reaches an ovule
- A.
True
- B.
False
- 10.Pollen tubes deliver 1 sperm cells to ovules
- A.
True
- B.
False
- 11.A ______ endosperm- nutritive tissue
- A.
Diplid
- B.
Haplid
- C.
Triploid
- 12.A micropyle opening becomes a _______
- 13.In eudicots, globular embryo takes on a characteristic _____ stage form, and further elongation fives rise to the _____ stage.
- 14.Large amounts of what accumulate in the endosperm during seed formation
- A.
Starches
- B.
Lipids
- C.
Proteins
- D.
All of the above
- 15.Late in embryonic development the seed loses up to 75% of water content
- A.
True
- B.
False
- 16.Seeds develop from ovules
- A.
True
- B.
False
- 17.A ________ is the ovary wall or the surrounding of the seed
- 18.What kind of flower possess all 4 types of whorls (calyx, corolla, stamen, and carpels)
- A.
Perfect
- B.
Imperfect
- C.
Complete
- 19.A flower that lacks only one of the whorls is what kind of flower
- A.
Perfect
- B.
Incomplete
- C.
Imperfect
- 20.A flower that contains a stamen and carpels
- A.
Complete
- B.
Perfect
- C.
Incomplete
- 21.A monoecious plant has different homes (reside on different plants) for each sex
- A.
True
- B.
False
- 22.Flavonoids are responsible for color variations in a flower
- A.
True
- B.
False
- 23.Actinamorphia flowers have what kind of symmetry?
- A.
Radial
- B.
Lateral
- C.
Bilateral
- 24.Zygomoriphic flowers have what kind of symmetry?
- A.
Radial
- B.
Lateral
- C.
Bilateral
- 25.Flowers can occur singly or in clusters
- A.
True
- B.
False
Prepared by
Mr.D.Rajamani, M.Sc.,M.Ed., P.G. Asst Botany A.C.S Mat.Hr Sec.School, Arni. Tiruvannamalai Dist
&
www.Padasalai.Net
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Prepared by
Mr.D.Rajamani, M.Sc.,M.Ed., P.G. Asst Botany A.C.S Mat.Hr Sec.School, Arni. Tiruvannamalai Dist
&
www.Padasalai.Net
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