BIO 1500 Exam 2 ACTUAL Exam Questions
and CORRECT Answers
T/F Unlike angiosperms, gymnosperms do not produce seeds having endosperm - CORRECT
ANSWER - TRUE
Phytochrome is a plant pigment that at least partially controls... - CORRECT ANSWER -
Monitoring of photoperiod
Biological inactivity at night
Photoperiod - CORRECT ANSWER - interval in a 24-hour period during which a plant or
animal is exposed to light.
T/F Mosses have leaves with stomata but no true roots. - CORRECT ANSWER - FALSE
What element are made available to plants via PRECIPITATION from the
atmosphere? - CORRECT ANSWER - Nitrogen
Fungi are able to penetrate leaf dermal tissue defenses by access through - CORRECT
ANSWER - Stomata and Wounds
T/F A plant population differs from a plant community in that a community features interactions
between species. - CORRECT ANSWER - TRUE
T/F Fungi reproduce sexually when the pollen of one hypha fertilizes the ovary of a hypha of a
compatible mating type. - CORRECT ANSWER - FALSE
Mycorrhizae increase the surface area of plant roots. What is the benefit of this mutualism to the
mycorrhizae? - CORRECT ANSWER - access to carbohydrates from plant
, Which of the following plants are NOT part of the plant group most closely related to the first
land plants? - CORRECT ANSWER - Club Mosses
What are the two main plant hormones involved in the growth of lateral buds to re-establish a
broken main shoot (the leader) of a tree? - CORRECT ANSWER - Auxin and cytokinins
Which of the following plants have a life cycle where the gametophyte is LESS nutritionally
dependent on the sporophyte compared to FERNS? - CORRECT ANSWER - Mosses
During a dikaryon stage - CORRECT ANSWER - Haploid cells fuse but their nuclei do
not
Microphylls are found in the - CORRECT ANSWER - Club Mosses
Endophytes - CORRECT ANSWER - Assist in plant defense
What is NOT one of the seven phyla of vascular plants? - CORRECT ANSWER -
Bryophytes
T/F Fungi represent the photosynthetic part of the mutualism occurring in a lichen - CORRECT
ANSWER - False
The soil horizon where minerals accumulate is the - CORRECT ANSWER - B horizon
The group of fungi lacking a "n + n" stage also - CORRECT ANSWER - Aquatic
Which of the following are projected climate changes in the Great Lakes region? - CORRECT
ANSWER - a. More rain during the planting season (spring)
b. Extreme summer heat waves are more frequent
c. Extreme rainfall events are more frequent
and CORRECT Answers
T/F Unlike angiosperms, gymnosperms do not produce seeds having endosperm - CORRECT
ANSWER - TRUE
Phytochrome is a plant pigment that at least partially controls... - CORRECT ANSWER -
Monitoring of photoperiod
Biological inactivity at night
Photoperiod - CORRECT ANSWER - interval in a 24-hour period during which a plant or
animal is exposed to light.
T/F Mosses have leaves with stomata but no true roots. - CORRECT ANSWER - FALSE
What element are made available to plants via PRECIPITATION from the
atmosphere? - CORRECT ANSWER - Nitrogen
Fungi are able to penetrate leaf dermal tissue defenses by access through - CORRECT
ANSWER - Stomata and Wounds
T/F A plant population differs from a plant community in that a community features interactions
between species. - CORRECT ANSWER - TRUE
T/F Fungi reproduce sexually when the pollen of one hypha fertilizes the ovary of a hypha of a
compatible mating type. - CORRECT ANSWER - FALSE
Mycorrhizae increase the surface area of plant roots. What is the benefit of this mutualism to the
mycorrhizae? - CORRECT ANSWER - access to carbohydrates from plant
, Which of the following plants are NOT part of the plant group most closely related to the first
land plants? - CORRECT ANSWER - Club Mosses
What are the two main plant hormones involved in the growth of lateral buds to re-establish a
broken main shoot (the leader) of a tree? - CORRECT ANSWER - Auxin and cytokinins
Which of the following plants have a life cycle where the gametophyte is LESS nutritionally
dependent on the sporophyte compared to FERNS? - CORRECT ANSWER - Mosses
During a dikaryon stage - CORRECT ANSWER - Haploid cells fuse but their nuclei do
not
Microphylls are found in the - CORRECT ANSWER - Club Mosses
Endophytes - CORRECT ANSWER - Assist in plant defense
What is NOT one of the seven phyla of vascular plants? - CORRECT ANSWER -
Bryophytes
T/F Fungi represent the photosynthetic part of the mutualism occurring in a lichen - CORRECT
ANSWER - False
The soil horizon where minerals accumulate is the - CORRECT ANSWER - B horizon
The group of fungi lacking a "n + n" stage also - CORRECT ANSWER - Aquatic
Which of the following are projected climate changes in the Great Lakes region? - CORRECT
ANSWER - a. More rain during the planting season (spring)
b. Extreme summer heat waves are more frequent
c. Extreme rainfall events are more frequent
