NAT G12 Teacher-Made Reviewer [Set A]

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue

Which of the following is NOT a part of the cell theory?

• All living things are composed of cells.

• Cells are the basic unit of life.

• All cells arise from pre-existing cells.

• Cells can form from non-cellular substances.

What is the function of ribosomes?

• Energy production

• Protein synthesis

• DNA replication

• Lipid synthesis

During which phase of mitosis do chromosomes align in the center of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

What is the primary pigment involved in photosynthesis?

• Carotenoids

• Chlorophyll

• Xanthophyll

• Melanin

Which process converts glucose into energy in the absence of oxygen?

• Photosynthesis

• Aerobic respiration

• Fermentation

• Glycolysis

Which of the following is a characteristic of a prokaryotic cell?

• Membrane-bound organelles

• Nucleus

• Circular DNA

• Both A and B

What is the role of the mitochondria?

• Photosynthesis

• Energy production

• Protein synthesis

• DNA storage

Which type of RNA carries amino acids to the ribosome?

• mRNA

• rRNA

• tRNA

• snRNA

What is the function of the immune system?

• Energy production

• Nutrient absorption

• Defense against pathogens

• Hormone regulation