Exam (elaborations)
SCSU BIO 101-S20 Botany Exam 1 - Prof. Silady questions well answered
- Course
- Institution
SCSU BIO 101-S20 Botany Exam 1 - Prof. Silady questions well answered
[Show more]
Content preview
SCSU BIO 101-S20 Botany Exam 1 -Prof. Silady
why is It necessary to change current agricultural practices? - correct answer ✔✔- increasing population;
need for more food
- more sustainable farming practices
- the need to mitigate climate change
define food insecurity - correct answer ✔✔a condition in which people do not have adequate access to
food
define food desert - correct answer ✔✔Food deserts are defined as urban neighborhoods and rural
towns without ready access to fresh, healthy, and affordable food. Instead of supermarkets and grocery
stores, these communities may have no food access or are served only by fast food restaurants and
convenience stores that offer few healthy, affordable food options. The lack of access contributes to a
poor diet and can lead to higher levels of obesity and other diet-related diseases, such as diabetes and
heart disease.
define yield gap - correct answer ✔✔Difference between potential crop yield under optimal conditions
and yield under actual farming conditions
Reasons for the difference of a yield gap - correct answer ✔✔- pests such as insects, animals etc.
- drought
- soil fertility
- weather
- incomplete harvest
Ways to solve a yield gap - correct answer ✔✔- breeding better crops
- water management
- efficient use of fertilizer and pesticides
, Goals of Plant Research - correct answer ✔✔1) Breed resistance to emerging crop diseases
2) Breed plants adapted to saline,
acidic, and basic soils
3) Understand how crops and ecosystems will respond to climate change and increased CO2
4) Breed drought resistant crops
Chemicals in organic farming only control the _______ not the _______. - correct answer ✔✔pests;
weeds
How are weeds in organic farming managed? - correct answer ✔✔By tilling the soil
Define tilling soil - correct answer ✔✔Tillage is the agricultural preparation of soil by mechanical
agitation of various types, such as digging, stirring, and overturning
What is the impact of tilling the soil? - correct answer ✔✔- Reduction of beneficial organisms
(mycorrhizae)
- Reduced soil structure
- Increased soil erosion & water loss
- Increased use of fossil fuels
- Reduction of carbon sink
define carbon sink - correct answer ✔✔1) a forest, ocean, or other natural environment viewed in terms
of its ability to absorb carbon dioxide from the atmosphere
2) a natural reservoir that stores carbon-containing chemical compounds accumulated over an indefinite
period of time.
Define Crop Biotechnology - correct answer ✔✔Identifying genes responsible for traits & transferring
those genes to crops
Genomics - correct answer ✔✔Determining the sequence, structure, and
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 BravelRadon. 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)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
