BIOL 1503 EXAM 2 QUESTIONS WITH VERIFIED
ANSWERS
T/F An autotrophic organism can make its own glucose (high energy molecules) from
inorganic compounds, CO2. - Answers - True
What does autotrophic organisms being able to make their own glucose from inorganic
compounds tell us about the evolution of photosynthesis? - Answers - It evolved
multiple times in eukaryotes
Which of the following best describes most members of the former kingdom Protista? -
Answers - they are single celled and eukaryotic
Chemoautotrophs use ___ as an energy source and ___ as a carbon source. - Answers
- inorganic compounds; CO2
Alternation of generation implies a multicellular diploid, spore producing phase
alternating with a multicellular, ___. - Answers - haploid, gamete producing phase
Spores are ________________ and ___________________ develop into a multicellular
individual without fusing with another spore first. - Answers - haploid, can
Which of the following statements about plants is true? - Answers - Plants produce two
types of reproductive cells: spores and gametes
The gametophyte produces ___ by ___. - Answers - gametes, mitosis
Which of the following is a land plant that produces flagellated sperm and has a
sporophyte-dominated life cycle? - Answers - Seedless Vascular Plants
Reduction Division from a Diploid State to a Haploid State - Answers - Spore mother
cell - > Spores
A plant which had vascular tissue and produced fruit would be considered
_______________? - Answers - an Angiosperm
In the cells of a heterokaryotic mycelium, how many nuclei are there? - Answers - Two
or more
When the two nuclei in the cell of a dikaryotic mycelium fuse within the fruiting body,
what cell type is produced? - Answers - Zygote
, Which of the following is not a role performed by any fungi?
Decomposer
Parasite
Predator
Producer
none of the above - Answers - Producer
Which group/s of animals exhibit no symmetry in their body plan? - Answers - Porifera
Which group/s of animals have incomplete digestive systems? - Answers - Porifera,
Ctenophora, and Cnidaria
What characteristic separates reptiles and mammals from all other Chordates? -
Answers - Amniotic egg
What characteristic separates mammals from all other Chordates? - Answers - Milk
Which is/are not characteristic/s of all mammals?
Have a 4-chambered Heart
Have hair at some period of their life
have glands to produce milk to nourish their offspring
Give birth to live young (viviparous) - Answers - Give birth to live young (viviparous)
A plant is sporophytic self-incompatible and has a genotype S5S9 for the S locus. It
receives pollen from a plant that is S3S9. Which of the following is most likely to occur?
All of the pollen will germinate forming pollen tubes
None of the pollen will germinate
About half the pollen will germinate
Fertilization will occur in about half the flowers - Answers - None of the pollen will
germinate
A plant is gametophytic self-incompatible and has a genotype S5S9 for the S locus. It
receives pollen from a plant that is S3S9. Which of the following is most likely to occur?
ANSWERS
T/F An autotrophic organism can make its own glucose (high energy molecules) from
inorganic compounds, CO2. - Answers - True
What does autotrophic organisms being able to make their own glucose from inorganic
compounds tell us about the evolution of photosynthesis? - Answers - It evolved
multiple times in eukaryotes
Which of the following best describes most members of the former kingdom Protista? -
Answers - they are single celled and eukaryotic
Chemoautotrophs use ___ as an energy source and ___ as a carbon source. - Answers
- inorganic compounds; CO2
Alternation of generation implies a multicellular diploid, spore producing phase
alternating with a multicellular, ___. - Answers - haploid, gamete producing phase
Spores are ________________ and ___________________ develop into a multicellular
individual without fusing with another spore first. - Answers - haploid, can
Which of the following statements about plants is true? - Answers - Plants produce two
types of reproductive cells: spores and gametes
The gametophyte produces ___ by ___. - Answers - gametes, mitosis
Which of the following is a land plant that produces flagellated sperm and has a
sporophyte-dominated life cycle? - Answers - Seedless Vascular Plants
Reduction Division from a Diploid State to a Haploid State - Answers - Spore mother
cell - > Spores
A plant which had vascular tissue and produced fruit would be considered
_______________? - Answers - an Angiosperm
In the cells of a heterokaryotic mycelium, how many nuclei are there? - Answers - Two
or more
When the two nuclei in the cell of a dikaryotic mycelium fuse within the fruiting body,
what cell type is produced? - Answers - Zygote
, Which of the following is not a role performed by any fungi?
Decomposer
Parasite
Predator
Producer
none of the above - Answers - Producer
Which group/s of animals exhibit no symmetry in their body plan? - Answers - Porifera
Which group/s of animals have incomplete digestive systems? - Answers - Porifera,
Ctenophora, and Cnidaria
What characteristic separates reptiles and mammals from all other Chordates? -
Answers - Amniotic egg
What characteristic separates mammals from all other Chordates? - Answers - Milk
Which is/are not characteristic/s of all mammals?
Have a 4-chambered Heart
Have hair at some period of their life
have glands to produce milk to nourish their offspring
Give birth to live young (viviparous) - Answers - Give birth to live young (viviparous)
A plant is sporophytic self-incompatible and has a genotype S5S9 for the S locus. It
receives pollen from a plant that is S3S9. Which of the following is most likely to occur?
All of the pollen will germinate forming pollen tubes
None of the pollen will germinate
About half the pollen will germinate
Fertilization will occur in about half the flowers - Answers - None of the pollen will
germinate
A plant is gametophytic self-incompatible and has a genotype S5S9 for the S locus. It
receives pollen from a plant that is S3S9. Which of the following is most likely to occur?
