Comprehensive Biology Final

Quiz
•
Science
•
9th Grade
•
Hard
+8
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The word helix means spiral. What does this tell you about the structure of DNA, which is a double helix molecule?
The nucleotides of the two strands bond together with spiral bonds.
A double-stranded DNA molecule is composed of two linear strands that run opposite to each other, or anti-parallel, and twist together to resemble a twisted ladder.
DNA is a double helix because it has two strands held together like a spiral staircase.
Nucleotides are spiral-shaped molecules that bond together to form DNA.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
During daytime, the rate of photosynthesis is faster than the rate of cellular respiration. A plant is placed in a clear, airtight container with a mechanism to allow its roots to get water. Will it be able to sustain itself?
No, because the plant would need ATP to complete cellular respiration.
No, because the plant would need oxygen to complete cellular respiration.
Yes, because the amount of oxygen produced during the daytime would be enough to allow for
Yes, because the amount of carbon dioxide produced during the daytime
Tags
NGSS.HS-LS1-5
NGSS.HS-LS1-7
NGSS.HS-LS2-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following events in digestion and absorption is incorrect?
Carbohydrate digestion begins in the mouth.
Protein is primarily digested in the stomach.
Fats are primarily digested in the small intestine.
Digested carbohydrates, fat, and protein molecules are absorbed by the villi in the small intestine.
Tags
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A reaction in which a water molecule is added to a large molecule in order to break it into multiple smaller molecules. Which type of reaction is described above?
hydrolysis
enzyme reaction
catalysis
dehydration synthesis
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A lack of protein in the diet can cause hair loss. Which of the following statements explains why this occurs?
Due to lack of protein in the diet, energy will be lost, leading to hair loss.
Due to lack of protein in the diet, our body will not be able to form other proteins; it will conserve the protein it has for critical use, leading to hair loss.
Lack of protein in the diet can weaken the immune system, leading to hair loss.
Lack of protein in the diet will lead to breakage of disulfide bonds between proteins, leading to hair loss.
Tags
NGSS.HS-LS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following includes all others on the list?
*
Polysaccharide
Disaccharide
Carbohydrate
Starch
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following would most likely qualify as a macromolecule?
DNA
RNA
Protein
All of the above
Tags
NGSS.HS-LS1-1
NGSS.HS-LS1-6
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