The plant hormone that coordinates the effects of other plant hormones during development of shoots and roots is
____.
a. auxin
b. gibberellin
c. cytokinin
d. abscisic acid
e. ethylene
ANSWER: c
You might also like to view...
If method A is initiated, what would be the annual growth of kudzu?
a. 15,000 acres b. 30,000 acres c. 120,000 acres d. 240,000 acres
Which of the following is ABSENT in the charophyte ancestors of land plants?
a. spores b. gametes c. multicellular organs d. diploid embryos e. chlorophyll b
What are animals trapped and digested by "carnivorous" plants such as the cobra lily used as?
a. primarily as an energy supplement during winter months b. primarily as a carbon source for the plant c. primarily as a nutrient supplement in nutrient-deficient environments d. primarily as food for bacteria and fungi that grow symbiotically with the plant roots
Which part of the body is likely to be much more diverse in mammals compared to that in other groups?
A) the teeth B) the structure of the vertebrae C) the structure of the limbs D) the jawbone