CSES 1020 Exam 1 Guertal Questions
and Answers 100% Solved
what is the basic definition of a crop - ✔✔living plants grown by
producers and have a specific intended use for humans
basic definition of photosynthesis- plants use what and generate what -
✔✔the critically important process of plants. the process by which green
plants and some other organisms use sunlight to synthesize foods from
carbon dioxide and water to produce oxygen.
what is an annual plant - ✔✔complete their entire life cycle in one year,
the vast majority of plants used as crops are managed as annuals.
what is a biennial plant - ✔✔they germinate and grow vegetatively for
one year, then in the second year they go into the reproductive phase, the
flower is typically large and showy in year 2, they die in year 2
what is a perennial plant - ✔✔germinate at some point, then live more
than 2 years, forage fruit, turf grass and tree crops are managed as
perennials.
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what is a short day plant - ✔✔a plant that requires a long period of
darkness, is termed a short day (long night) plant. short day plants form
flowers only when day length is less than about 12 hours
what does a grass plant look like (characteristics) - ✔✔simple flowers,
leaves alternate on each side of stem, fibrous roots, jointed, hollow stems,
stems are unbranched, leaves are longer than wider and veins are parallel
to leaf margins
what are characteristics of broadleaves - ✔✔flowers are showy and will
have petals and sepals, leaves wider than longer, and veins are arranged
in a net fashion, often a tap root, stems are soils and contain pith or fluid,
stems are round, leaves branch off in carious multiples on petioles
mints have what kind of stem - ✔✔square
sedges have what kind of stem - ✔✔triangular
what is a food crop that we discussed as a sedge - ✔✔chufa/ yellow
nutsedge-
how does a rush differ from a grass plant - ✔✔it looks like a grass plant
but it is not hollow but instead filled with pith or fluid