Which of the following structures is found in the monocot seed but not in the eudicot seed?
A. pericarp
B. radicle
C. cotyledon
D. plumule
Answer: A
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Clusters of chlorophyll and accessory pigments are called ________.
A. the Golgi apparatus B. chloroplasts C. photosystems D. photosynthetic membranes
The origin of mitochondria is attributed to a(n) ________
a. aerobic bacterium entering an aerobic eukaryotic cell b. chloroplast entering a bacterium c. aerobic bacterium entering an anaerobic eukaryotic cell d. anaerobic bacterium entering an anaerobic eukaryotic cell e. anaerobic bacterium entering an aerobic eukaryotic cell
The common fungus Polyporus squamous forms large shelf-like structures that project from the lower portion of dead trees.
Answer the following statement true (T) or false (F)
Which statement is NOT true about echinoderms?
A. The exoskeleton is made of spiny plates. B. Larvae are free-swimming and bilaterally symmetrical. C. A water vascular system allows the tube feet to produce suction. D. Gas exchange occurs through skin gills and tube feet. E. Symmetry is radial in the adult, usually with parts in fives or multiples of five.