Plant Science exam 1 UPDATED ACTUAL Exam Questions and CORRECT Answers

Plant Science exam 1 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Genetic Engineering - CORRECT ANSWER - - introduce new genes
- altering current genes
- produces gmo


Plant Benefits - CORRECT ANSWER - - use or role for humans
- positive role for ecosystem
- aesthetic/valuable = cash crop & commodity


Fertile Crescent - CORRECT ANSWER - an area of rich farmland modern day Egypt to
Iran (includes Mesopotamia) where the first civilizations began
- wheat, barley, legume


beginning of plant cultivation created stable food supply - CORRECT ANSWER - - led to
more time for other jobs
- led to decrease in nomads and increase in stationary society


Early selection criteria for crops - CORRECT ANSWER - - increase plant yield size
- reduce seed toxins/pest & disease resistant
- non-shattering seed/absence of seed coat


phenotype - CORRECT ANSWER - physical characteristics of an organism



genotype - CORRECT ANSWER - genetic makeup of an organism

, genetic engineering - CORRECT ANSWER - introducing new genes or altering current
ones
- produces gmos for disease/pest control (herbicide tolerance)


grains/hay - CORRECT ANSWER - often harvested at maturity/dry



can be harvested semi dry/ green - CORRECT ANSWER - silage



grassland/forage - CORRECT ANSWER - can be grazed



phytoremediation - CORRECT ANSWER - using plants to remove pollutants from soil



intercropping - CORRECT ANSWER - corn, bean, squash (3 sisters)



rotational cropping - CORRECT ANSWER - soybean/corn



cell - CORRECT ANSWER - made of organelles



tissues - CORRECT ANSWER - groups of cells



organs - CORRECT ANSWER - groups of tissues



organism - CORRECT ANSWER - groups of organs



population - CORRECT ANSWER - a group of same organisms living together



community - CORRECT ANSWER - groups of different organisms living together