Final Exam Practice 2025

Which of the following is a biotic factor in an ecosystem?

• Water

• Plants

• Sunlight

• Temperature

Tags

NGSS.MS-LS1-4

Abiotic factors are non-living components of an ecosystem. Which of these is an abiotic factor?

• Soil

• Animals

• Fungi

• Bacteria

Tags

NGSS.MS-LS2-3

Which of the following best represents a biotic factor?

• Rocks

• Trees

• Climate

• pH levels

Tags

NGSS.MS-LS1-4

Which of these pairs correctly matches an abiotic factor with its impact on a biotic factor?

• Temperature affecting the growth rate of plants

• Predation affecting prey population

• Competition between species

• Symbiotic relationships in an ecosystem.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following is the control center or "brain" of eukaryotic cell?

• Mitochondria

• Nucleus

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

What is the primary function of the mitochondria?

• Protein synthesis

• Energy production

• Genetic information storage

• Photosynthesis

Tags

NGSS.HS-LS1-7

Which structure is responsible for photosynthesis in plant cells?

• Chloroplast

• Vacuole

• Lysosome

• Golgi Apparatus

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the main component of the cell membrane?

• Nucleic Acids

• Phospholipids

• Proteins

• Carbohydrates

Which organelle is known as the "powerhouse of the cell?"

• Ribosome

• Nucleus

• Mitochondria

• Lysosome

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

What is the primary purpose of mitosis in multicellular organisms?

• Production of gametes

• Growth and repair

• Reduction of chromosome number

• Genetic variation

Tags

NGSS.HS-LS1-4