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1st 9 weeks Biology Benchmark review- VA SOL Flashcards | StudBud
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1st 9 weeks Biology Benchmark review- VA SOL
1st 9 weeks Biology Benchmark review- VA SOL
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#biology #highschool #virginiasol
Flashcards
31 cards
F
Practice quiz
P
Host live
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Questions
31
Answers
1
What side of this photosynthesis equation is the reactant?
The arrow
Left
Right
None are
2
An acid falls in the pH range of...
2-4
9-11
7-8
13-14
3
Students are determining the effect of pollutants on the growth of 3 groups of seeds. What is this exp missing?
control
conclusion
variable
hypothesis
4
How would the flow of energy go through an enviroment?
Autotroph→Sun→Hetertroph→Decomposer
Sun →Decomposer→Hetertroph→Autotroph
Sun→Autotroph→Hetertroph→Decomposer
Sun→Hetertroph→Autotroph→Decomposer
5
What is an example of lipids?
oils
chocolate
Amino acids
Carbohydrates
6
Accepted explanation of a large body of info & framework for numerous concepts. Subject to change
Theory
Hypothesis
Law
biology
7
Which of the following is the product of the photosynthesis equation?
6H2O
Light
C6H12O6
6O2
8
What is the best definition for a theory?
Accepted explanation of a lot of info.Framework for concepts
A statement that can be supported or rejected.
A fact meant to describe an action. Accepted to be true
9
What are some biotic factors in an ecosystem?
Food the organism eats
Water
Competiton
pH
10
What is the bond happening between water molecules, represented by the dotted lines?
Hydrogen bond
Covalent bonds
Ionic bonds
11
This diagram represents
a pyramid of numbers
A pyramid of energy
A food chain
A pyramid of biomass
12
Carbohydrates contain what elements
Carbon, Hydrogen, and Nitrogen
Carbon, Hydrogen, and Sulfur
Carbon, Hydrogen, and Oxygen
None, they are just made of starches
13
Two populations in the same ecosystem feed on plankton. What could sometimes be an issue?
Competing for food during certain seasons
Wildfire could kill off new species of birds
Could be less oxygen available for the smaller animals
Random mating could occur so a special breed could take over
14
Carbohydrates contain what elements
Carbon, Hydrogen, and Sulfur
None, they are just made of starches
Carbon, Hydrogen, and Nitrogen
Carbon, Hydrogen, and Oxygen
15
A tenitive explanation for a set of facts that can be tested for further investigation
Theory
Law
Science
Hypothesis
16
John sees that a plant in his window still appears to be dying. Which is NOT a valid hypothesis
The plant is 10 inches tall
The plant is receiving too little water
The plant is receiving too much sunlight
The plant is receiving too much sunlight
17
What is responsible for returning nitrogen to the air in this Nitrogen cycle diagram?
Excretion
Nitrifitcation
Photosynthesis
Decomposition
18
Humans get metabolism through being a/an
hetertroph
autotroph
homotroph
decomposer
19
From 1840 to 1920, the carrying capacity for sheep in Tasmania was about-
0.75 million
1.00 million
2.25 million
1.75 million
20
Students put 25 sewer lice in salt water and recorded their observations. What is this experiment missing?
There was no indepedent variable
The sample size was too big
The procedure was too complicated
there was no control
21
How could humans have a
positive
effect on the environment?
Bring in bugs from Argentina
Over-hunt so not as many animals can eat
Replant the same vegetables in fields year after year
Use pesticides to regulate insect populations
22
What are some abiotic factors in an ecyosytem?
Soil
Organisms interactions
Gases
Compeition
23
Abiotic factors
Water, gases, pH, soil
organisms interactions, competition, food web
24
Life has started to form in this ecosystem. What is the predominant life form found below?
Ferns
Mushrooms
Tracheophytes
Pioneer speices
25
In a food web the arrow points to-
who is being eaten
there are no arrows in a food web
who is doing the eating
26
VA students are trying to find species of plants. What resource would be
most
helpful?
fossil records and historical society publication
Biology textbook and wikipedia
VA newspapers and sciecne journals
VA native plant checklists and plant identification keys
27
The optimum enviroment for trypsin is?
4
6
13
8.2
28
What element makes up the greatest amount in a cell?
Calcium
Carbon
Iron
Iodine
29
What is an example of nucleotides
DNA
Amino Acids
3 fatty acids+glycerl
ZNA
30
Water molecule is polar this means that-
opposite ends of the molecule have opposite charges
atoms have unequal charges
water molecules are in a straight line thus looks like pole
The molecules work best in cold temperatures
31
If I was measuring the height of plants by millimeters. Which tool would be
most
accurate?
digital scale
Graduated cylinder
metric ruler
yardstick
