Which of the following are found on either side of a plant stoma?
a. guard cells
b. trichomes
c. leaves
d. root hairs
Ans: a. guard cells
Biology & Microbiology
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Which of the two gases, oxygen or carbon dioxide, is present in the oceans in much greater proportions than in air? Why might this be the case?
What will be an ideal response?
Biology & Microbiology
The simplest animals with a closed circulatory system are
A. mollusks. B. amphibians. C. annelids. D. fish. E. reptiles.
Biology & Microbiology
In plants the fertilized egg develops into a multicellular __________ (young plant) within a female
gametangium. a. zygote b. seed c. embryo d. endosperm e. cotyledon
Biology & Microbiology
The fluid that provides lubrication for movable joints is called:a
CS fluid. b. interstitial fluid. c. synovial fluid. d. joint lubricant fluid. e. plasma.
Biology & Microbiology