If a cuticle is removed from a leaf, the leaf will
a. be unable to carry on photosynthesis.
b. be unable to carry on transpiration.
c. lose water and wilt.
d. replace the cuticle with a layer of suberin.
e. immediately close its stomata to prevent water
loss.
Answer: c
You might also like to view...
Some scientists have suggested that recent outbreaks of sudden oak disease could be fought through the creation of transgenic plants with genetic resistance to sudden oak disease. What would be the source of this genetic resistance?
A. species of aphids with resistance to sudden oak disease. B. newly synthesized genes inserted into plants' genomes. C. species with unusually high levels of host plant resistance. D. domesticated apple trees adapted to North America. E. original host species in the source region of the disease.
A distinctive type of larva shared by several phyla of invertebrates and considered to be important in phylogeny is the
A. trochophore. B. paedomorph. C. gastrula. D. metamere. E. tadpole.
What is the average annual rainfall in the desert biome?
a. over 250 cm b. 80 – 90 cm c. less than 25 cm d. 40-80 cm e. 100-150 cm
Which of the following provides the specificity of the PCR reaction?
a. primers b. separated DNA strands c. heating to 94°C d. Taq polymerase