stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Module 8 & 9 quiz Flashcards | StudBud
Explore
/
Module 8 & 9 quiz
Module 8 & 9 quiz
39 terms
·
StudBud Administration
·
8 plays
A quiz based on module 8 and 9 on #Plant #nutrition and #soil #biology
Flashcards
39 cards
F
Practice quiz
P
Host live
L
Questions
39
Answers
1
When nutrients are mobile within the plant, symptoms of any deficiency become apparent first on
All leaves
Older leaves
Younger leaves
Intermediate leaves
2
Soil Organic Matter improves the physical properties of the soil except
Soil Texture
Soil Aggregation
Soil Nutrient Holding Capacity
Soil Drainage
3
Soil Organic Matter is very evident in the soils of Southern Manitoba, ideally ranging between
5-8%
more than 12%
1-4%
8%-12%
4
Plants and microbes absorb nutrients, and incorporate them into the soil to improve:
Soil Air Content
Soil Mineral Content
Soil Water content
Soil OM Content
5
when a molecule follows a concentration gradient, moving passively through the membrane
Active Transport
All of the options
Simple Diffusion
Facilitated Diffusion
6
C, H, O are also known as:
Structural Nutrients
Macro Nutrients
All of the Options
Framework Nutrients
7
Grasslands add OM to soils that is decomposed quickly compared to forest soils
False
True
8
When high levels of N accelerate plant growth, micronutrients become deficient. this is:
Interaction
All of the options
Antagonism
Synergism
9
Rotation w/ grasses or legumes will reduce erosion and ______ OM due to root mass decompostion
Improve
No change in
None of the options
Deteriorate
10
Excessive tillage exposes OM to air and results in ___ of OM due to mineralization and erosion
Neither
Increase
Decrease
11
Liebigs Law of Minimum, plant growth can be improved by increasing the supply of ____ nutrients
Micro
Decifient
Macro
Mobile
12
Consumed in large amounts and contribute to > 95%of plants biomass on a dry matter weight basis
Micronutrients
Tracenutrients
Macronutrients
Trace Nutrients
13
The uptake that is against the concentration and requires energy(ATP) to move ions or molecules
All of the Options
Simple diffusion
Active Transport
Facilitated Diffusion
14
Majority of the green plant material produced by plants are consumed by
Microorganisms
Ants
Plants
Animals
15
Soil Organic Matter improves the biological properties of the soil except
Pest Tolerance Ability
Compaction
Nutrient Release Potential
Microbial Activity
16
Organic acid, wet conditions, slow decay of OM occur under which of the following:
Wetlands
All of the options
Boreal Forest
Grasslands
17
If the water potential is more negative within the plant than soil the nutrients will move from
Within the Plant
Within the soil
Plant to Soil
Soil to plant
18
Plants take nitrogen in the form of:
N03-
N2
NH4+
HNO3
19
The process of converting atmospheric Nitrogen to soil Nitrogen (NH4+) by bacterias is known as
Ammonification
Nitrification
Decomposition
Assimilation
20
The negative interactions between nutrients is known as ___________.
Antagonism
Competition
Synergism
Mutualism
21
Legume cover crops will increase OM and N, which results in _____ soil C:N ratio
No change
None of the options
Increase
Decrease
22
is an important component of proteins and enzymes, and plays major role in ATP & ADP of plants
Molly
Boron
Zinc
Phosphorus
23
Soil microorganism are part of ____ soil organic matter
Living
Non-living
All of the options
Mineral
24
Which soil zones are not present in MB
Brown and Dark Brown
Black
Dark Grey
Gray and Dark Gray
25
Which of the following is a nutrient uptake process?
All of the above
Cation Exchange
Gas diffusion
Water potential
26
Which of the following conditions of the soil may lead to nutrient deficiencies for the plants?
All options
Excessive lime in the soil
Alkaline pH
Low OM
27
Humic substances are complex chemical compounds in the the soils, mainly composed of
Humic Acid
All of the options
Fulvic Acid
Humins
28
Nitrogen, Phosphorus, and Potassium are classified as _____
Deficient Nutrients
Micronutrients
Macro Nutrients
Trace Nutrients
29
Cold and wet soils may ____ the rate and amount of micronutrients taken up by the crop
Increase
Decrease
30
Purpling of leaves, is associated with deficiency of:
Zinc
Nitrogen
Potassium
Phosphorus
31
NPK are _____ Nutrients in plants
Trace
Intermediate Mobile
Immobile
Mobile
32
Plants take Iron (Fe) in the form of:
Fe3+
Fe2+
Fe
All of the options
33
when soil organisms take up mineral nutrients from soil and transform them into plant tissues
Immobilization
Adsorption
Leaching
Mineralization
34
Living organisms present in soil include
Bacteria
Rodents
All of the options
Nematodes
35
Soil Organic Matter improves the chemical properties of the soil except:
Soil Porosity
CEC/AEC
Solubility of Minerals
36
High soil levels of one nutrients can imit the availability of other nutrients because of:
All of the Options
Imbalance of Nutrients in the plants
Blockage of exchange sites on roots
Change the pH of Plant Cells
37
is the process, when organism die and release nutrients from their tissues.
Immobilization
Adsorption
Mineralization
Leaching
38
Boron is _____ in soils but ______ in plants
Immobile/Immobile
Mobile/Immobile
Mobile/Mobile
Immobile/Mobile
39
Wetlands which are inundated with water result in _____ decomposition of OM
Slow
Rapid