9th Grade Biology Final Exam

W=white hair
w= non-white hair
If you cross a horse with WW and a horse with ww what fraction of the offspring would be expected to have white hair?

• none
• 3/4
• 1/2
• all

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?

• Ry
• RRyy
• RrYy
• Rryy

Tags

NGSS.HS-LS3-1

What is the functions of lipids?

• Quick source of energy
• Builds muscles, skin, enzymes
• Stores genetic information
• Stores energy, insulation, protection

What is structure C?

• Substrate
• Active site
• Enzyme
• Products

Tags

NGSS.HS-LS1-7

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

• Enzymes increase the energy of the reactants.
• Enzymes decrease the energy level of the products.
• Enzyme decrease the activation energy of the reaction.
• Enzymes reverse the direction of the reaction.

Tags

NGSS.HS-PS1-4

Which is true of prokaryotic and eukaryotic cells?

• Prokaryotic cells are larger than eukaryotic cells.
• Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
• Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
• Eukaryotic cells are simpler than prokaryotic cells.

Which is true about active transport?

• It requires energy
• it does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

Which of the following is the correct equation for PHOTOSYNTHESIS?

• 6CO₂ + 6H₂O --> 6O₂ + C₆H₁₂O₆
• 6CO₂ + C₆H₁₂O₆ + 6H₂O --> O₂ 
• 6O₂ + 6H₂O --> 6CO₂ + C₆H₁₂O₆
• C₆H₁₂O₆ + 6O₂ ---> 6H₂O + 6CO₂ 

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Tags

NGSS.HS-LS1-1

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase