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Cellular Tissues and Structures Quiz

#1

What is the basic unit of life in all living organisms?

Cell
Explanation

Cell: Fundamental unit of life, containing genetic material and performing essential functions.

#2

Which organelle is responsible for producing energy in a cell?

Mitochondria
Explanation

Mitochondria: Powerhouse of the cell, generating energy through cellular respiration.

#3

What is the function of the cell membrane?

Regulate passage of substances
Explanation

Cell Membrane: Controls the movement of substances in and out of the cell, maintaining internal environment.

#4

Which type of tissue provides support and structure to the body?

Connective tissue
Explanation

Connective Tissue: Supports, binds, and protects organs and other tissues.

#5

Which cellular structure is responsible for synthesizing proteins?

Ribosome
Explanation

Ribosome: Molecular machinery for protein synthesis, translating genetic information into proteins.

#6

What is the primary function of the smooth endoplasmic reticulum?

Lipid synthesis
Explanation

Smooth ER: Synthesizes lipids and detoxifies drugs and poisons.

#7

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

Modification and packaging of proteins
Explanation

Golgi Apparatus: Modifies, sorts, and packages proteins for secretion or transport within the cell.

#8

What is the main function of the chloroplast in plant cells?

Photosynthesis
Explanation

Chloroplast: Site of photosynthesis, converting light energy into chemical energy.

#9

Which type of cell division results in the formation of gametes (sperm and egg cells)?

Meiosis
Explanation

Meiosis: Cell division producing gametes with half the chromosome number for sexual reproduction.

#10

What is the role of cilia and flagella in cells?

Cell movement
Explanation

Cilia & Flagella: Appendages for cell movement, sensory functions, and moving substances.

#11

In which cellular structure does transcription occur?

Nucleus
Explanation

Nucleus: Contains genetic material and orchestrates cellular activities, including transcription.

#12

What is the main function of peroxisomes in a cell?

Detoxification
Explanation

Peroxisomes: Break down toxic substances and generate hydrogen peroxide, involved in detoxification.

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