1st Semester Biology Exam

Front

What is the role of ribosomes in protein synthesis?

Back

Ribosomes are the cellular structures that produce proteins by translating messenger RNA (mRNA) into amino acid sequences.

Front

What is the function of the nucleus in a cell?

Back

The nucleus contains the cell's genetic material and serves as the blueprint for protein synthesis.

Front

What is a scientific hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

Front

What is the first step in the scientific method?

Back

Every scientific experiment begins with a question or problem that needs to be investigated.

Front

Define population in ecological terms.

Back

A population is a group of individuals of the same species that live in a defined area.

Front

What does carrying capacity refer to in an ecosystem?

Back

Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support.

Front

What is biodiversity?

Back

Biodiversity refers to the variety of different species within a given ecosystem or the entire biosphere.

Front

What is the difference between ecosystem diversity and species diversity?

Back

Ecosystem diversity refers to the variety of ecosystems within a region, while species diversity refers to the number of different species within a specific ecosystem.

Front

What is the role of the Golgi apparatus in a cell?

Back

The Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles.

Front

What are vesicles and their function?

Back

Vesicles are small membrane-bound sacs that transport and store substances within a cell.