________Is a branch of agricultural science that deals with the study of crop production
and the soils (propagation and management). - correct answer agronomy
Plants from the wild were domesticated and cultivated to become the plants we grow
and use today - correct answer true
The study of agroecology looks at crop and environment interactions. - correct answer
true
_____is the amount of energy that was consumed in direct and indirect transformations
to make a product or service, also seen as a measure of quality differences between
different forms of energy - correct answer emergy
In an experiment,______ is the one that is being manipulated and tested (subjected to
the treatment). - correct answer independent variable
The earliest uses of domesticated plants were mainly _____ - correct answer food
Helianthus annuus was a common prairie weed before domestication for commercial oil
and seed production. What is the common name for this crop? - correct answer
sunflower
Research is one of the uses of plants by humans. In research, ___________ is an
educated guess. - correct answer hypothesis
The following crops are used for production of fiber except? - correct answer opium
poppy (papaver somniferum)
Ethanobotany is the study of plant usage by indigenous cultures, such as traditional
indigenous medicine. - correct answer true
The following are weather conditions except? - correct answer earthquake and
volcanoes
Weather is the same as climate - correct answer false
Intensity of solar radiation on earth decreases with distance from equator - correct
answer true
On the equinoxes day length is normally_______ everywhere - correct answer 12 hours
In photoperiodic plants, the reproductive cycle is determined by day length. Which of the
following is not a descriptor of photoperiodism in plants? - correct answer night neutral
, Soil _________ is a nonchemical method for controlling soilborne pests using high
temperatures produced by capturing radiant energy from the sun - correct answer
solarization
Which organelle is the control center of the cell? - correct answer nucleus
Which organelle is involved in cell division? - correct answer centrioles
Which organelle is found only in plant cells? - correct answer chloroplast
Which organelle transports material throughout the cell? - correct answer endoplasmic
reticulum
Which organelle is responsible for releasing energy from food (the "powerhouse") -
correct answer mitochondria
Which organelle is responsible for protein production? - correct answer ribosomes
Which organelle is responsible for storage of food particles, waste and water? - correct
answer vacuole
Which organelles digest worn out cell parts and wastes from the cell, also called
"suicidesacs" - correct answer lysosome
What is the jelly-like substance that supports the cell organelles? - correct answer
cytoplasm
A network of thin, fibrous material that acts as a scaffold and supports the organelles -
correct answer cytoskeleton
A long, tail like projection used for movement. - correct answer flagella
Supports and gives plant cells shape; not found in animals cells. - correct answer cell
wall
A folded, pancake like structure that combines simple molecules into more complex
molecules and re-packages them for transport to the cell membrane. - correct answer
golgi apparatus
Controls movement into and out of the cell. - correct answer cell membrane
First identified animal cells and concluded all animals are made up of cells. - correct
answer thomas schwann
First scientist to use a compound microscope and viewed cork cells. - correct answer
robert hooke