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Duplicate of spring exam ag bio
Duplicate of spring exam ag bio
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1
Which type of organism recycles nutrients for the ecosystem?
Carnivore
Herbivore
Decomposer
Producer
2
What is a key characteristic of cage-free egg production?
Hens can move freely within an enclosed building
Hens are kept in groups of 3-4
Hens must have outdoor access
Hens are kept in individual wire cages
3
As you move up a food chain the amount of energy decreases.
True
False
4
Which of the following best explains why corn was considered more than just a food crop by Native American Cultures?
It was the only reliable crop they could grow
It was easy to store for long periods
It was economically valuable for trading
It was a sacred symbol with religious and cultural meaning beyond nutrition
5
Which of the following is true about Carbohydrates, Lipids, and Proteins?
They all provide Energy
None of them are found naturally in our bodies
They are all used for building up muscles
They all contain Carbon (C), Hydrogen (H), and Oxygen (O)
6
11. We now produce ______% more corn, on _______% fewer acres.
(6.4.5)
20%, 25%
30%, 25%
15%, 40%
7
Which development most dramatically illustrates this trait
The ability to produce 13 million kernels per acre
The development of synthetic fertilizers
The invention of new farm machinery
The creation of hybrid corn varieties
8
What is meant by "selectively permeable" when describing cell membranes?
All substances can move through the membrane freely
The membrane randomly selects which substances to let through
No substances can move through the membrane
Only certain substances can pass through the membrane
9
What is the primary outcome of meiosis in sexual reproduction?
Combination and shuffling of genetic material from both parents
Production of fewer offspring
Creation of identical offspring
Reduction in genetic diversity
10
Which of the following illustrates the correct ordering of trophic levels? (5.5.2)
carnivores-producers-omnivores
decomposers-carnivores-producers-herbivores
producers-herbivores-carnivores-decomposers
herbivores- producers-carnivores-decomposers
11
The arrows in a food chain or web represents what?
They represent how water is transferred within a habitat
It shows how sunlight flows within an ecosystem.
They point to the organism that is being eaten.
They show what direction the energy is flowing between organisms.
12
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly __________%.
10
1
5
100
13
Which of the following does not need to be controlled, as chicks develops in eggs, to insure the health of the chicken?
humidity
oxygen uptake
carbon dioxide removal
nitrogen consumption
14
What is
crossing over
in genetic terms?
The exchange of genetic material between homologous chromosomes
The process of DNA replication during mitosis
The formation of gametes through meiosis
The separation of chromosomes during cell division
15
Which of the following are roles or functions of fats in a diet.
Long Term Energy Storage
Short Term Energy Usage
Provide Building Block for Proteins
For Building Up Muscles
16
5. What is
evolution
?
(6.3.1)
a fact
A fact and a hypothesis
None of the above options
a hypothesis
17
7. What is
codominance
?
(6.3.3)
both versions or alleles for the gene are equally expressed or observed
When one version of the gene is expressed or observed
18
15. Plant height works the same way as height in humans.
(6.4.4)
True
False
19
8. What is the principal commercial feed type of corn grown in the United States?
(6.4.1)
Sweet Corn
Dent Corn
Popcorn
20
16. What does the "F" in FOIL stand for?
(6.4.2)
First
Free
Final
21
In a food web a fox eats rabbits that feed on shrubs. What type of consumer are foxes?
Tertiary Consumer
Producers
Primary Consumer
Secondary Consumer
22
scientists found that the change in yields is due to projected increases in ____________
Moisture
Temperature
Light
Chemicals
23
4. What is the initial ancestor common to all organisms within the cladogram?
(6.3.1)
Outgroup
Clades
Cladogram
Root
24
6. The theory of evolution states that populations of organisms have changed _________ over time.
(6.3.1)
Slowly
Barely
Swiftly
Consistently
25
9. During the late 1800s and early 1900s the demand for corn ______________.
(6.4.5)
All of the above
Decreased
Increased
26
Which animal is the apex predator?
fox
hawk
snake
owl
27
14. ____________ traits or quantitative genetics are traits that are controlled by more than one gene.
(6.4.4)
Genetic
Polygenic
Physical
Visual
28
2. When did maize start to become a much more important part of the Olmec diet and culture?
(6.2.2)
900 BC
700 BC
600 BC
800 BC
29
3. When did the Aztec Empire come to an end?
(6.2.2)
1400s
1700s
1300s
1500s
30
1. Which of the following is NOT one of the four main ways in which we value living things?
(6.2.2)
Ergonomic
Environmental
Economic
Aesthetic
31
19. From an ecological and economic perspective, what makes corn an extraordinary crop?
Its versatility allows use in food, fuel, and industrial products
It has remained unchanged since ancient times
It can only be grown in specific climates
It requires extensive manual labor to cultivate
32
10. How is corn pollinated?
(6.4.5)
Self Pollination
Cross Pollination
Wind Pollination
33
Bees gaining nectar while pollinating flowers is an example of what type of symbiosis?
Parasitism
Mutualism
Commensalism
None of These
34
Which of the following factors must be controlled, as chicks develops in the egg, to insure the health of the chicken?
Carbon Dioxide Intake
Temperature
Nitrogen Consumption
Volume
35
Average national corn yield (a productivity measure) rose from around _____ bushels
10
30
15
25
36
The passage suggests that corn's development represents a technological achievement. Which best supports this claim
Corn is used in multiple industrial applications
Corn yields have increased over 500% since the early 1900s
Corn can be grown on multiple continents
Corn was domesticated from a wild grass
37
Which environmental factors must be controlled, as chick develops, to insure its health and homeostasis when it hatches?
temperature
oxygen uptake
humidity
carbon dioxide removal
38
How do large molecules and ions move through the cell membrane?
They must be completely neutral in charge
They must provide their own energy source
They pass through specialized protein passageways (channels)
They must be extremely large in size
39
What characteristic makes stem cells unique before differentiation?
They can only become blood cells
They are already specialized for specific functions
They contain complete genetic information but no specific function yet
They only contain partial genetic information
40
Where does the energy in every food web start?
Sun
Consumers
Decomposers
sugar
41
Which of the following best describes ions?
Neutral atoms with equal numbers of protons and electrons
Atoms w/electrical charge due to unequal numbers of protons and electrons
Molecules that are too large to pass through the membrane
Substances that never require energy to move through membranes
42
What is cell
differentiation
?
When cells divide into two identical copies
When cells lose their genetic information
The activation of DNA that gives cells specific functions
The process of cells dying
43
Why is temperature control important for chicken egg development?
It maintains proper metabolic rates for development
It determines the gender of the chick
It only impacts the thickness of the eggshell
It only affects the size of the developing chick
44
What is the primary location where most stem cells are found in humans?
In large bones like your Femur
In the blood vessels
In muscle tissues
In the brain tissue
45
How does increased genetic diversity impact species over time?
It reduces survival chances
It supports the evolution of the species
It makes all offspring identical
It makes all offspring identical
