Which of the following plants is NOT a
gymnosperm?
a. cycad
b. conifer
c. palm
d. ginkgo
e. gnetophyte
Answer: c
Biology & Microbiology
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Brown algae belong to the phylum:
a. Rhodophyta. b. Chlorophyta. c. Anthophyta. d. Phaeophyta. e. Dinophyta.
Biology & Microbiology
Since the 1970s, the percentage of overweight
Americans has
a. decreased by 50%. b. tripled. c. doubled. d. remained the same. e. quadrupled
Biology & Microbiology
If a test tube of whole blood is subjected to centrifugation, the cells will be packed in the bottom of the
tube and the fluid above it will be designated a. water. b. serum. c. lymph. d. interstitial fluid. e. plasma.
Biology & Microbiology
Which is a hormone that reduces blood volume and pressure by pulling more water out of the blood and increases urine volume?
A) renin B) erythropoietin C) atrial natriuretic hormone D) aldosterone
Biology & Microbiology