One of the risks of low crop diversity is that there is a greater risk of famine should the crop exposed to disease. An example is the failure of the ___ crop in Ireland for several years in the mid-1800's.

a) corn
b) potato
c) rice
d) wheat


Ans: b) potato

Biology & Microbiology

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The most digestion in the human body takes place in the

a. liver. b. mouth. c. large intestine. d. small intestine. e. stomach.

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Dna _____

a. guides growth and development b. is the basis of traits c. is transmitted from parents to offspring d. all of these

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Which phylum contains the ferns?

a. Anthocerophyta b. Bryophyta c. Pterophyta d. Hepatophyta

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In the chemical shorthand, 14C, the 14 represents the number of ____.

A. excess neutrons B. protons plus neutrons C. electrons D. protons plus electrons E. radioactive particles

Biology & Microbiology