Exam (elaborations)
Agronomy Exam 2 (1)
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- NUR3196 Module 9 Respiratory Drugs
Exam of 7 pages for the course NUR3196 Module 9 Respiratory Drugs at NUR3196 Module 9 Respiratory Drugs (Agronomy Exam 2 (1))
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physical characteristics are used to identify plants which include - Life cycle, form,foliage retention, plant parts, and use & location
Plants which complete their life cycle in one season or less are what? - Annuals
Completes it's life cycle in two growing seasons - Biennial
A plant that grows year after year without replanting and usually produces seed each
year. - Perennial
He was a Swedish physician who devised a system for naming species - Carl
Linnaeus
Carl Linnaeus was a physician from what country - Sweden
What are the 7 names used for scientific taxonomy? - Kingdom, phylum, class, order,
families, genus, and species
Latin is a dead language - That is used in scientific naming to reduce political
jealousies
Roots of scientific names come from - plant descriptions, region and the name of the
discoverer
Varieties in plants are naturally made from - seeds
Cultivars in plants are naturally made from - seeds
Cultivars in plants are - man made
true/false
There are over 60,000 different species of monocot plants in the world - true
true/false
There are over 185,000 different species of dicot plants in the world - true
Monocot plants have flower parts in what number - 3's
Dicot plants have flower parts in what number - 4's & 5's
Monocot plants have ______ veins and ______ vascular bundles - parallel, scattered
Dicot plants have ______ veins and ______ vascular bundles - branched, ring
, Monocots have what type of germination - hypogeal
Dicots have what type of germination - epigeal
What deals with the form and structure of plants? - morphology
What deals with the study of internal tissues and cells of plants? - plant anatomy
What is a small embryonic plant enclosed in a covering call the seed coat? - seed
The miniature plant which will grow when conditions are favorable is called? -
embryo
The food supply for the plant is called? - endosperm
The hard outer covering, protects the seed from disease, insects, and prevents water
from entering the seed before the proper time is called? - seed coat
Which grass has over 2 million seeds per pound? - bluegrass
Germination - when the seed embryo goes from a dormant state to an active growing
state
True/False
A seed needs oxygen to germinate - true
Most crop species require the temperature to be between ____&____ degrees F to
grow. - 65&86 F
Average life span of a seed is ____ to ____ years - 10 to 15
The last step in breaking dormancy of a seed is: - production of growth promoters
The first step in breaking dormancy of a seed is: - break down of barriers, abrasion
of seed coat, decomposition of seed coat, and cracking of seed coat
The second step in breaking dormancy of a seed is: - change in physical state-
rehydration
The third step in breaking dormancy of a seed is: - destruction and dilution of
inhibitors, light, temperature, water
True/ false
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