SFSU BIOL 240 Exam 2 (2026) | Introductory Biology
II | Practice Questions & Verified Answers
1. Describe the role of microsporidia in the ecosystem and their
significance in disease dynamics.
Microsporidia are harmless organisms that live symbiotically with
insects.
Microsporidia are a type of fungi that decompose organic matter.
Microsporidia are pathogens that can significantly impact insect
populations, influencing ecological balance.
Microsporidia are beneficial organisms that enhance plant
growth.
2. What are the two methods by which spores can be produced in fungi?
Only asexually
Sexually or asexually
Only sexually
Through photosynthesis
3. Which of the following is TRUE about ALL land plants?
They have sporophytes that produce spores by meiosis
They have vascular tissue
None of the above
All of the above
The sporophyte generation is dominant
4. Which three groups are classified under Alveolates?
, Fungi, Plants, and Animals
Bacteria, Archaea, and Protists
Apicomplexans, Ciliates, and Dinoflagellates
Prokaryotes, Eukaryotes, and Archaea
5. Describe the significance of Ginkgo biloba being deciduous and
dioecious in its ecological context.
Being deciduous and dioecious allows Ginkgo biloba to adapt
to seasonal changes and promotes genetic diversity through
separate male and female trees.
Deciduousness helps Ginkgo biloba retain water, and being
dioecious means it can reproduce asexually.
Ginkgo biloba's dioecious nature allows it to grow in any
environment, while being deciduous means it does not lose
leaves.
Ginkgo biloba's deciduous nature means it can photosynthesize
year-round, while being dioecious limits its reproductive options.
6. What type of divisions lead to the formation of asexual spores?
Meiotic divisions
Budding
Mitotic divisions
Binary fission
7. Collectively petals form the
corolla
calyx
,8. Which of the following statements best describes pollination?
It is the transfer of pollen grains from the male anther to the
female stigma
It is the process of fertilization in the flower
It is the process of leaf formation in plants
It is the process of root formation in plants
9. What is a key characteristic of plants in Phylum Cyadophyta?
Herbaceous and dioecious
Evergreen and dioecious
Deciduous and monoecious
Annual and dioecious
10. Describe the role of each component of the carpel in the reproductive
process of flowering plants.
The ovary is responsible for photosynthesis, the style stores
nutrients, and the stigma produces pollen.
The ovary produces nectar, the style aids in photosynthesis, and
the stigma absorbs water.
The ovary attracts pollinators, the style supports the flower, and
the stigma protects the ovules.
The ovary contains ovules that develop into seeds, the style
connects the ovary to the stigma, and the stigma receives
pollen for fertilization.
11. Sexual spore formation:
Variations led to potentially advantageous adaptions.
, Mixing of DNA from two parent fungi creates offspring with
combinations of genes different from that of the parents.
Sexual spores vary from simple fusion of fertile hyphae of two
different strains, or as a complex union of male and female
structures.
All of the above
12. Most conifers are
A. dioecious
D. A and B
E. B and C
B. deciduous
C. monoecious
13. What is the process of transferring pollen from the anther of a plant to
the part of a seed plant containing the ovules?
Double fertilization
Fertilization
Sporulation
None of the above are correct.
Pollination
14. Describe the role of alveoli in Alveolates and their potential impact on
cellular function.
Alveoli facilitate the movement of nutrients into the cell.
Alveoli are responsible for photosynthetic processes.
Alveoli are primarily involved in energy production.
II | Practice Questions & Verified Answers
1. Describe the role of microsporidia in the ecosystem and their
significance in disease dynamics.
Microsporidia are harmless organisms that live symbiotically with
insects.
Microsporidia are a type of fungi that decompose organic matter.
Microsporidia are pathogens that can significantly impact insect
populations, influencing ecological balance.
Microsporidia are beneficial organisms that enhance plant
growth.
2. What are the two methods by which spores can be produced in fungi?
Only asexually
Sexually or asexually
Only sexually
Through photosynthesis
3. Which of the following is TRUE about ALL land plants?
They have sporophytes that produce spores by meiosis
They have vascular tissue
None of the above
All of the above
The sporophyte generation is dominant
4. Which three groups are classified under Alveolates?
, Fungi, Plants, and Animals
Bacteria, Archaea, and Protists
Apicomplexans, Ciliates, and Dinoflagellates
Prokaryotes, Eukaryotes, and Archaea
5. Describe the significance of Ginkgo biloba being deciduous and
dioecious in its ecological context.
Being deciduous and dioecious allows Ginkgo biloba to adapt
to seasonal changes and promotes genetic diversity through
separate male and female trees.
Deciduousness helps Ginkgo biloba retain water, and being
dioecious means it can reproduce asexually.
Ginkgo biloba's dioecious nature allows it to grow in any
environment, while being deciduous means it does not lose
leaves.
Ginkgo biloba's deciduous nature means it can photosynthesize
year-round, while being dioecious limits its reproductive options.
6. What type of divisions lead to the formation of asexual spores?
Meiotic divisions
Budding
Mitotic divisions
Binary fission
7. Collectively petals form the
corolla
calyx
,8. Which of the following statements best describes pollination?
It is the transfer of pollen grains from the male anther to the
female stigma
It is the process of fertilization in the flower
It is the process of leaf formation in plants
It is the process of root formation in plants
9. What is a key characteristic of plants in Phylum Cyadophyta?
Herbaceous and dioecious
Evergreen and dioecious
Deciduous and monoecious
Annual and dioecious
10. Describe the role of each component of the carpel in the reproductive
process of flowering plants.
The ovary is responsible for photosynthesis, the style stores
nutrients, and the stigma produces pollen.
The ovary produces nectar, the style aids in photosynthesis, and
the stigma absorbs water.
The ovary attracts pollinators, the style supports the flower, and
the stigma protects the ovules.
The ovary contains ovules that develop into seeds, the style
connects the ovary to the stigma, and the stigma receives
pollen for fertilization.
11. Sexual spore formation:
Variations led to potentially advantageous adaptions.
, Mixing of DNA from two parent fungi creates offspring with
combinations of genes different from that of the parents.
Sexual spores vary from simple fusion of fertile hyphae of two
different strains, or as a complex union of male and female
structures.
All of the above
12. Most conifers are
A. dioecious
D. A and B
E. B and C
B. deciduous
C. monoecious
13. What is the process of transferring pollen from the anther of a plant to
the part of a seed plant containing the ovules?
Double fertilization
Fertilization
Sporulation
None of the above are correct.
Pollination
14. Describe the role of alveoli in Alveolates and their potential impact on
cellular function.
Alveoli facilitate the movement of nutrients into the cell.
Alveoli are responsible for photosynthetic processes.
Alveoli are primarily involved in energy production.
