2024 9th Semester Exam

Front

What number on the pH scale is neutral?

Back

7

Front

What are the two characteristics that all cells in living organisms have in common?

Back

membrane, DNA and RNA

Front

What do data and evidence from an experiment determine about a hypothesis?

Back

proven or disproven

Front

What type of data involves numbers obtained by counting or measuring?

Back

quantitative

Front

What is the name given to a solution that has less H+ ions than pure water?

Back

basic

Front

What is the pH range of acidic solutions?

Back

pH less than 7

Front

What is the pH range of basic solutions?

Back

pH greater than 7

Front

What is the function of the mitochondrion in a cell?

Back

It produces energy (ATP) through cellular respiration.

Front

What is the role of DNA in living organisms?

Back

It carries genetic information.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes qualities or characteristics, while quantitative data involves numbers.