The Cell Quiz: Basic Knowledge Test!

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| By Juliaalexander

Juliaalexander

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Quizzes Created: 1 | Total Attempts: 206

Questions: 10 | Attempts: 206 | Updated: Mar 21, 2023

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The Cell Quiz: Basic Knowledge Test! - Quiz

Do you know about the cell? The cell is the basic element known to organisms. Cells are the smallest unit of life. They are referred to as the building blocks of life. Cells provide six main functions. These include structure and support, growth through mitosis, passive and active transport, energy production, metabolic reactions, and reproduction aid. This quiz will invite you to learn more about the cell.

Questions and Answers

1.

What is the organelle often referred to as the brain of the cell?
- A.
  
  Nucleus
- B.
  
  Chloroplast
- C.
  
  Mitochondria
Correct Answer
A. Nucleus

Explanation
The nucleus is often referred to as the brain of the cell because it contains the cell's genetic material, DNA, and controls the cell's activities. It regulates gene expression and coordinates cellular functions, making it essential for cell growth, reproduction, and overall cell function. The nucleus also plays a crucial role in the transmission of genetic information to future generations.

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1
0
2.

Why are organelles bound by a membrane in eukaryotic cells?
- A.
  
  So that organelles will not mix up
- B.
  
  For compartmentalization, for division of labour
- C.
  
  Because organelles are not active
Correct Answer
B. For compartmentalization, for division of labour

Explanation
Organelles in eukaryotic cells are bound by a membrane for compartmentalization and division of labor. This allows different organelles to have separate environments and perform specific functions without interference from other organelles. By creating compartments, the cell can efficiently carry out different biochemical processes simultaneously. This organization enables specialization and enhances the overall efficiency and functionality of the cell.

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1
0
3.

DNA in prokaryotic cells is naked.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
In prokaryotic cells, DNA is not enclosed within a nucleus or bound by a nuclear membrane, which means it is not associated with histone proteins. This lack of association allows the DNA to be freely floating within the cytoplasm, making it "naked". Therefore, the statement that DNA in prokaryotic cells is naked is true.

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4.

Bacteria cells are eukaryotic.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The given statement is false. Bacteria cells are actually prokaryotic, not eukaryotic. Prokaryotic cells, like those of bacteria, lack a nucleus and other membrane-bound organelles. They have a simpler structure compared to eukaryotic cells, which have a nucleus and various organelles enclosed within membranes.

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5.

All cells have a cell wall.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
This statement is incorrect because not all cells have a cell wall. While plant cells have a cell wall, animal cells do not. Animal cells have a cell membrane instead. Therefore, the correct answer is false.

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6.

Grass, ants, elephants are all made of cells.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
All living organisms are made up of cells, including grass, ants, and elephants. Cells are the basic building blocks of life and carry out various functions necessary for the organism's survival. They provide structure, perform metabolic processes, and enable reproduction. Therefore, it is true that grass, ants, and elephants are all made of cells.

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7.

Mitochondria are the "power house" of the cell.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Mitochondria are known as the "power house" of the cell because they are responsible for generating energy in the form of ATP through the process of cellular respiration. This organelle contains its own DNA and is involved in various metabolic processes, including the production of ATP, which is essential for the functioning of the cell. Therefore, the statement "Mitochondria are the 'power house' of the cell" is true.

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8.

Vacuole stores proteins.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Vacuoles are primarily responsible for storing water, ions, and nutrients in plant cells. While they can also store other substances such as pigments and toxins, proteins are mainly synthesized and stored in other organelles like the endoplasmic reticulum and Golgi apparatus. Therefore, the statement that vacuoles store proteins is false.

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9.

Bacteria is an example of a prokaryotic cell.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Bacteria is an example of a prokaryotic cell because they lack a nucleus and other membrane-bound organelles. Prokaryotic cells, such as bacteria, have their DNA floating freely in the cytoplasm and are generally smaller and simpler in structure compared to eukaryotic cells.

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10.

Often prokaryotes are multicellular.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
Prokaryotes are single-celled organisms that lack a nucleus and membrane-bound organelles. They are typically unicellular and do not form multicellular structures. Therefore, the statement "Often prokaryotes are multicellular" is false.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 26, 2011

Quiz Created by
Juliaalexander

The Cell Quiz: Basic Knowledge Test!

What is the organelle often referred to as the brain of the cell?

Why are organelles bound by a membrane in eukaryotic cells?

DNA in prokaryotic cells is naked.

Bacteria cells are eukaryotic.

All cells have a cell wall.

Grass, ants, elephants are all made of cells.

Mitochondria are the "power house" of the cell.

Vacuole stores proteins.

Bacteria is an example of a prokaryotic cell.

Often prokaryotes are multicellular.