Question 1

What is the primary role of enzymes in biological reactions?

Accepted Answer

Catalyzing reactions

Answer

Storing genetic information

Answer

Providing structural support

Answer

Transporting substances

Question 2

What is the term for the phenomenon where a population's allele frequencies change over time due to random sampling of organisms?

Accepted Answer

Genetic drift

Answer

Gene flow

Answer

Mutation

Answer

Natural selection

Question 3

Which biomolecule carries genetic information in living organisms?

Accepted Answer

DNA

Answer

Protein

Answer

RNA

Answer

Carbohydrates

Question 4

What structure regulates the entry and exit of substances in and out of a cell?

Accepted Answer

Cell membrane

Answer

Nucleus

Answer

Cytoplasm

Answer

Cell wall

Question 5

Which macromolecule serves as the primary source of energy for living organisms?

Accepted Answer

Carbohydrates

Answer

Proteins

Answer

Nucleic acids

Answer

Lipids

Question 6

Which of the following processes directly results in the production of gametes?

Accepted Answer

Meiosis

Answer

Cloning

Answer

Mitosis

Answer

Binary fission

Question 7

What is the primary function of ribosomes in a cell?

Accepted Answer

Protein synthesis

Answer

DNA replication

Answer

Energy production

Answer

Cell division

Question 8

What is the basic unit of life?

Accepted Answer

Cell

Answer

Organism

Answer

Organ

Answer

Tissue

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