Biology_Unit 1 Summative Assessment

Front

What is the correct order of biological organization from complex to simple?

Back

Organ systems → organ → tissue → cell → organelles.

Front

Why is metabolism essential for living organisms like sharks?

Back

It provides the energy needed for swimming, hunting, and survival.

Front

What happens if platelets do not function properly in the blood?

Back

The blood would not clot effectively, leading to excessive bleeding from even minor injuries.

Front

What is a key difference between prokaryotic and eukaryotic cells?

Back

Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not.

Front

How do single-celled organisms like amoebas perform life functions?

Back

All life functions are carried out by the single cell through structures called organelles.

Front

Define 'cell'.

Back

The basic unit of life that can perform all life processes.

Front

What are organelles?

Back

Specialized structures within a cell that perform specific functions.

Front

What is the function of the nucleus in eukaryotic cells?

Back

It stores genetic material and controls cell activities.

Front

What is the role of mitochondria in cells?

Back

They are the powerhouse of the cell, producing energy through respiration.

Front

What is the function of ribosomes?

Back

They synthesize proteins by translating messenger RNA.