Bisc Final Practice Quiz Part 3
12 Questions
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Bisc final
Questions and Answers
- 1.A flower's ____ has one or more ovaries in which eggs develop, fertilization occurs, and seeds mature.
- A.
Pollen sac
- B.
Carpel
- C.
Receptacle
- D.
Sepal
- 2.Meiosis of cells in pollen sacs forms haploid ____.
- A.
Megaspores
- B.
Microspores
- C.
Stamens
- D.
Sporophytes
- 3.Meiosis in an ovule produces ____ megaspores.
- A.
Two
- B.
Four
- C.
Six
- D.
Eight
- 4.Seeds are mature ____ ; fruits are mature _____.
- A.
Ovaries; ovules
- B.
Ovules; stamens
- C.
Ovules; ovaries
- D.
Stamens; ovaries
- 5.The seed coat forms from the ____.
- A.
Integuments
- B.
Coleoptile
- C.
Endosperm
- D.
Sepals
- 6.A new plant forms from a stem that broke off of the parent plant. This is an example of ____.
- A.
Parthenogenesis
- B.
Exoctyosis
- C.
Vegetative reproduction
- D.
Nodal growth
- 7.Cotyledons develop as part of ____.
- A.
Carpels
- B.
Accessory fruits
- C.
Embryo sporophytes
- D.
Petioles
- 8.Plant hormones _____.
- A.
May have multiple effects
- B.
Are active in developing plant embryos
- C.
Are active in adult plants
- D.
All of the above
- 9.____ is the stimulus for phototropism.
- A.
Red light
- B.
Far-red light
- C.
Green light
- D.
Blue light
- 10.Sunlight resets biological clocks in plants by activitating and inactivating ____.
- A.
Phototropins
- B.
Phytochromes
- C.
Photoperiodisms
- D.
Far-red light
- 11.Solar tracking is similar to ____.
- A.
Phototropism
- B.
Gravitropism
- C.
Photoperiodism
- D.
Thigmotropism
- 12.In some plants, flowering is a _____ response.
- A.
Phototropic
- B.
Gravitropic
- C.
Photoperiodic
- D.
Thigmotropic
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