Multiple Choice
Pine seedlings grown in sterile potting soil grow much slower than seedlings grown in soil from the area where the seeds were collected. This is most likely because
A) the sterilization process kills the root hairs as they emerge from the seedling.
B) the normal symbiotic fungi are not present in the sterilized soil.
C) sterilization removes essential nutrients from the soil.
D) water and mineral uptake is faster when mycorrhizae are present.
E) B and D.
Correct Answer:

Verified
Correct Answer:
Verified
Q42: Water potential is generally most negative in
Q43: Some botanists argue that the entire plant
Q44: As a biologist, it is your job
Q45: Root hairs are most important to a
Q46: Water flows into the source end of
Q48: Active transport of various materials in plants
Q49: Phloem transport is described as being from
Q50: Most angiosperms have alternate phyllotaxy. What allows
Q51: Which of the following is not an
Q52: Which of the following statements is false