Plants with more than the typical set of two chromosomes are known as ________
A) euploid
B) polyploid
C) aneuploid
D) diploid
E) triploid
B
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Plant cells often have a large membrane-bound sac that is used for storing water and other substances called a:
A. central vacuole. B. Golgi body. C. centriole. D. chloroplast. E. nucleus.
In 2012, the Midwest experienced unusually hot, dry conditions for long periods during the
summer months. As a result, many plants suspended or reduced their growth and reproduction, which had major implications for agricultural crops such as corn. This response to environmental conditions is called __________.
a. dormancy b. hibernation c. niche tradeoffs d. both dormancy and niche tradeoffs
You have been assigned the task of identifying the cells in a plant tissue sample. Using your microscope, you determine the cells are living and their cell walls vary in thickness. Upon further observation, you note that the cells are arranged in strands just below the epidermal surface. What cell type do you determine the cells to be?
A. Sclerenchyma B. Parenchyma C. Sieve elements D. Tracheids E. Collenchyma
Amoebas move from place to place by means of their
A. plasmodia. B. pseudomonads. C. pseudopods. D. sporocarps. E. cysts.