Living Things Are Composed Of Cells!

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| By Smitka313

Smitka313

Community Contributor

Quizzes Created: 4 | Total Attempts: 1,291

Questions: 10 | Attempts: 224 | Updated: Mar 21, 2023

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Questions and Answers

1.

This is the basic unit all living things are made of.
- A.
  
  Cell
- B.
  
  Atom
- C.
  
  Molecules
- D.
  
  Water
Correct Answer
A. Cell

Explanation
A cell is the basic unit of life that all living things are made of. Cells are the building blocks of organisms and carry out all the necessary functions for life. They contain genetic material, such as DNA, and are capable of reproducing and responding to their environment. Cells come in many different shapes and sizes, but they all have a similar structure and perform similar functions. Without cells, life as we know it would not exist.

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2.

Many organisms are composed of many cells, performing many jobs within the body. What are these types of organisms known as?
- A.
  
  Unicellular
- B.
  
  Multicellular
- C.
  
  Bicellular
- D.
  
  Polycellular
Correct Answer
B. Multicellular

Explanation
Multicellular organisms are composed of many cells that perform different functions within the body. These cells work together to carry out various tasks and maintain the overall functioning of the organism. Unlike unicellular organisms, which consist of only one cell, multicellular organisms have specialized cells that are organized into tissues, organs, and systems. This allows them to have a higher level of complexity and perform a wider range of functions. Therefore, the correct answer is multicellular.

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3.

The "mini-organs" that help the cell perform their daily functions are known as what?
- A.
  
  Organs
- B.
  
  Tissues
- C.
  
  Systems
- D.
  
  Organelles
Correct Answer
D. Organelles

Explanation
Organelles are the "mini-organs" within cells that carry out specific functions necessary for the cell's survival. They are responsible for tasks such as energy production, protein synthesis, and waste removal. Each organelle has a specific structure and function, working together to maintain the overall health and functionality of the cell. Examples of organelles include the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus.

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4.

In which type of cell would you find a cell wall and a chloroplast?
- A.
  
  Plant
- B.
  
  Animal
Correct Answer
A. Plant

Explanation
A cell wall is a rigid structure that provides support and protection to the cell. It is found in plant cells but not in animal cells. On the other hand, chloroplasts are organelles that carry out photosynthesis, the process by which plants convert sunlight into energy. Chloroplasts are also found only in plant cells. Therefore, the correct answer is plant because plant cells have both a cell wall and chloroplasts.

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5.

Which organelle helps to produce proteins for the cell?
- A.
  
  Ribosomes
- B.
  
  Vacuole
- C.
  
  Nucleus
- D.
  
  Cell Membrane
Correct Answer
A. Ribosomes

Explanation
Ribosomes are the organelles responsible for protein synthesis in the cell. They are found in both prokaryotic and eukaryotic cells and can be free-floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes read the genetic information stored in RNA molecules and use it to assemble amino acids into proteins. This process is essential for the growth, repair, and functioning of cells. Therefore, ribosomes are the correct answer as they play a vital role in producing proteins for the cell.

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6.

Which organelle acts as the "brain" of the cell?
- A.
  
  Nucleus
- B.
  
  Mitochondria
- C.
  
  Golgi Apparatus
- D.
  
  Ribosomes
Correct Answer
A. Nucleus

Explanation
The nucleus acts as the "brain" of the cell because it contains the cell's genetic material, including DNA, which controls the cell's activities and determines its characteristics. The nucleus also directs the synthesis of proteins and is involved in cell division. It plays a crucial role in regulating and coordinating the cell's functions, making it the control center or "brain" of the cell.

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7.

Which organelle processes energy and helps animal cells go through cellular respiration?
- A.
  
  Nucleus
- B.
  
  Lysosome
- C.
  
  Vacuole
- D.
  
  Mitochondria
Correct Answer
D. Mitochondria

Explanation
Mitochondria is the correct answer because it is the organelle responsible for processing energy and facilitating cellular respiration in animal cells. It is often referred to as the "powerhouse" of the cell as it produces ATP, the main source of energy for cellular activities. Mitochondria have their own DNA and can self-replicate, suggesting their evolutionary origin from independent bacteria that formed a symbiotic relationship with eukaryotic cells.

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8.

Which organelle surrounds the outside of animal cells?
- A.
  
  Cell Wall
- B.
  
  Cell Membrane
- C.
  
  Nuclear Membrane
- D.
  
  Nucleolus
Correct Answer
B. Cell Membrane

Explanation
The cell membrane is the correct answer because it is a thin, flexible barrier that surrounds the outside of animal cells. It acts as a protective layer, controlling the movement of substances in and out of the cell. The cell membrane is made up of a phospholipid bilayer with embedded proteins, allowing it to selectively regulate the passage of molecules and ions. Unlike plant cells, animal cells do not have a cell wall, making the cell membrane the outermost boundary of the cell.

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9.

All living things are made up of _____________.
- A.
  
  Cells
- B.
  
  Minerals
- C.
  
  Electrons
- D.
  
  Protons
Correct Answer
A. Cells

Explanation
Living things are made up of cells, which are the basic structural and functional units of life. Cells are responsible for carrying out all the necessary processes for the survival and growth of an organism. They provide structure, perform metabolic functions, and contain genetic material. Without cells, living things would not be able to carry out essential functions such as reproduction, growth, and response to stimuli. Therefore, cells are the fundamental building blocks of all living organisms.

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10.

In multicelluar organisms, cells perform different _____________.
- A.
  
  Jobs
- B.
  
  Colors
- C.
  
  Organs
- D.
  
  Magic tricks
Correct Answer
A. Jobs

Explanation
In multicellular organisms, cells perform different jobs. This is because different cells have specialized functions and tasks that contribute to the overall functioning of the organism. Each cell type is responsible for carrying out specific processes and activities that are necessary for the survival and maintenance of the organism. These jobs can include tasks such as nutrient absorption, waste removal, reproduction, movement, and communication. By dividing labor and having specialized cells, multicellular organisms can efficiently carry out various functions required for their survival and growth.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Dec 10, 2009

Quiz Created by
Smitka313

Living Things Are Composed Of Cells!

This is the basic unit all living things are made of.

Many organisms are composed of many cells, performing many jobs within the body. What are these types of organisms known as?

The "mini-organs" that help the cell perform their daily functions are known as what?

In which type of cell would you find a cell wall and a chloroplast?

Which organelle helps to produce proteins for the cell?

Which organelle acts as the "brain" of the cell?

Which organelle processes energy and helps animal cells go through cellular respiration?

Which organelle surrounds the outside of animal cells?

All living things are made up of _____________.

In multicelluar organisms, cells perform different _____________.