Verbos

What is the primary function of enzymes in biological reactions?

• To provide energy for reactions

• To act as catalysts and speed up reactions

• To change the equilibrium of reactions

• To act as reactants in reactions

Which of the following is a characteristic of a chemical change?

• Change in state

• Change in color

• Formation of a new substance

• Change in temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the role of chlorophyll in photosynthesis?

• To absorb water

• To absorb sunlight

• To release oxygen

• To produce glucose

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following best describes the process of osmosis?

• Movement of solute from high to low concentration

• Movement of solvent from low to high concentration

• Movement of solvent from high to low concentration

• Movement of solute from low to high concentration

What is the chemical formula for glucose?

Tags

NGSS.MS-PS1-1

Which of the following is an example of a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the main gas responsible for the greenhouse effect?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Tags

NGSS.MS-ESS3-5

Which part of the cell is responsible for producing ATP?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.HS-LS1-7

What is the pH level of a neutral solution?

• 0

• 7

• 14

• 10

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Helium

• Hydrogen