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Multiple Choice Quiz
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Male Reproductive Structures
Multiple Choice Quiz
1
The male gametophyte represents a very reduced structure. Which of the following represents the most complete example?
A)
Pollen tube
B)
Pollen grain
C)
Generative cell
D)
Microsporocyte
E)
Microspore
2
A periplasmodial tapetum is:
A)
one layer of cells surrounding an anther locule.
B)
two layers of cells surrounding an another locule.
C)
a triploid tissue that is liquid.
D)
a multinucleate mass of protoplasm.
E)
a tapetum that is enveloped in callose.
3
Endothecial cells generally lack secondary wall thickenings on which wall?
A)
Anticlinal
B)
Transverse
C)
Inner periclinal
D)
Outer periclinal
E)
More than one of the above.
4
Which wall in pollen is established first?
A)
Exine
B)
Intine
5
A primary component of the exine is:
A)
sporopollenin.
B)
callose.
C)
cellulose.
D)
lignin.
E)
pectin.
6
The connective is primarily:
A)
vascular.
B)
collenchyma.
C)
parenchyma.
D)
sclerenchyma.
E)
epithelial.
7
Synaptonemal complexes indicate:
A)
the establishment of a new cell plate.
B)
the formation of plasmodesmata.
C)
a mitotic division.
D)
a meiotic division.
E)
a resting stage of a cell.
8
An early template to establish the site of an aperture is formed by:
A)
vacuole.
B)
sporopollenin.
C)
endoplasmic reticulum.
D)
crystals.
E)
dictyosomes.
9
The exine is first deposited by microspores while a callose wall is still in place.
A)
True
B)
False
10
Sporopollenin is a derivative of:
A)
callose.
B)
carotenoids.
C)
starch.
D)
chlorophyll.
E)
amino acids.
2003 McGraw-Hill Higher Education
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