Exam (elaborations)
AGRONOMY EXAM QUESTIONS AND ANSWERS VERIFIED -5
- Course
- Institution
AGRONOMY EXAM QUESTIONS AND ANSWERS VERIFIED -5
[Show more]
Content preview
AGRONOMY EXAM QUESTIONS AND ANSWERS VERIFIED #5Physical characteristics are used to identify plants which include Life Cycle, Form,
Foliage Retention, Plant Parts, and Use & Location - correct answer True
Plants which complete their life cycle in one season (year) or less are classified as what
type of plants? - correct answer Annual
Completes it's life cycle in two growing seasons. 1st year it produces only basal leaves.
Second year it "bolts" grows a stem, flowers and fruit and dies in the second season. -
correct answer Biennial
A plant that grows year after year without replanting and usually produces seed each
year. Survive winter as dormant underground structures (roots, rhizomes, tubers) -
correct answer Perennial
Carl Linnaeus was a physician from what country? - correct answer Sweden
Roots of scientific names come from- - correct answer plant descriptions, region and the
name of the discoverer
Cultivars in plants are man made, true of false? - correct answer true
There are over ____________ different species of monocot plants in the world? -
correct answer 60,000
There are over _____________ different species of dicot plants in the world? - correct
answer 185,000
Monocot plants have flower parts in what number? - correct answer 3s
Dicot plants have flower parts in what number? - correct answer 4s and 5s
Monocot plants have _________ veins and _____________ vascular bundles. - correct
answer parallel, scattered
Monocots have what type of germination. - correct answer hypogeal
What deals with the form and structure of plants? - correct answer morphology
What deals with the study of internal tissues and cells of plants? - correct answer plant
anatomy
What is a small embryonic plant enclosed in a covering call the seed coat? - correct
answer seed
, The miniature plant which will grow when conditions are favorable is called? - correct
answer embryo
The food supply for the plant is called? - correct answer endosperm
Which grass has over 2 million seeds per pound? - correct answer bluegrass
Germination is when the seed embryo goes from a dormant state to an active, growing
state, true or false? - correct answer true
Most crop species require the temperature to be between ___&___ degrees F to grow. -
correct answer 65-86
What are the steps of breaking dormancy? - correct answer 1) break down of barriers
2) change in physical state
3) destruction and dilution
4) growth promoters
The three stages of germination are- - correct answer pregermination, germination, post
germination.
The percentage of moisture that is need for corn to start germination is? - correct
answer 35%
When seeds imbibe water- - correct answer hydrolytic enzymes are activated that break
down food resources
Scarification is the breaking of the seed coat through fire, insects, digestion, fungi,
mechanically or with chemicals - correct answer true
Embryo dormancy is where seeds must go through a ____________ period before
germinating - correct answer chilling
Oxygen is required for respiration, true or false? - correct answer true
What are the two types of germination? - correct answer Epigeal (dicot) and hypogeal
(monocot)
Monocot seed coat- - correct answer pericarp
What is the layer that is the starchy interior that serves as food for germinating seed
called in monocot seed anatomy? - correct answer endosperm
What is the embryonic "seed leaf" called in monocot seed anatomy? - correct answer
cotyledon
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller stanleymwaniki. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79316 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now