Botany Chapter 39 Practice Test

55 Questions | By Swarren | Updated: Mar 18, 2022 | Attempts: 315

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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