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12th HSC Board Biology MCQ Quiz

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Questions and Answers

Which of the following is a characteristic of prokaryotic cells?

Presence of a true nucleus

Presence of membrane-bound organelles

Absence of membrane-bound organelles (correct)

Lack of cell membrane

What is the primary function of the ribosomes in a cell?

Energy production

Cell division

Waste removal

Protein synthesis (correct)

Which of the following is a characteristic of plant cells but not animal cells?

Cell wall (correct)

Golgi apparatus

Nucleus

Lysosomes

What is the function of the mitochondria in a cell?

Cellular respiration Signup and view all the answers

What is the main function of the Golgi apparatus in a cell?

Energy production Signup and view all the answers

Which of the following is a characteristic of eukaryotic cells but not prokaryotic cells?

Lack of membrane-bound organelles Signup and view all the answers

What is the primary function of the smooth endoplasmic reticulum (SER) in a cell?

Protein synthesis Signup and view all the answers

Study Notes

Cell Characteristics

Prokaryotic cells lack a true nucleus and are typically small and simple in structure.
Plant cells have a cell wall, which is a characteristic not found in animal cells.

Cellular Organelles

Ribosomes are responsible for protein synthesis in a cell.
Mitochondria are the site of cellular respiration, generating energy for the cell through the process of ATP production.
The Golgi apparatus is primarily involved in protein modification, sorting, and packaging for transport to other areas of the cell or for secretion.
The smooth endoplasmic reticulum (SER) is involved in lipid synthesis and detoxification, and is also responsible for regulating calcium levels within the cell.

Eukaryotic Cells

Eukaryotic cells have a true nucleus, which is a characteristic that distinguishes them from prokaryotic cells.

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Description

Test your knowledge of biology with this multiple-choice quiz designed for 12th grade students. The quiz covers topics such as prokaryotic cells, ribosomes, plant and animal cell characteristics, and the function of mitochondria.