Which of the following is a macronutrient needed by plants?
a. phosphorus
b. iron
c. manganese
d. boron
e. copper
A
You might also like to view...
Which of the following flower structures are
incorrectly paired?
a. filament-anther b. style-ovary c. receptacle-flower d. all of these are correctly paired e. none of these are correctly paired
Four of the five objects listed below are parts of an
electron microscope. Select the exception. a. projective lens b. mirror c. objective lens d. condenser lens e. phosphor screen
Collectively, the amygdala, olfactory bulbs, hippocampus, and parts of the thalamus and hypothalamus are said to form
A. the frontal lobe. B. the reticular formation. C. the sympathetic division. D. the limbic system. E. the basal nuclei.
In the life cycle of a bread mold, the stage in which diploid nuclei occur is
A. the asexual spores. B. the zygosporangium. C. the gametangium. D. the sporangium. E. the aseptate hypha.