IGCSE Biology Quiz On Plant And Animal Cells!

1.

What is an organism made out of?
- A.
  
  Organelles
- B.
  
  Cells
- C.
  
  Tissues
- D.
  
  Organs
- E.
  
  Systems
- F.
  
  Services
- G.
  
  Water
Correct Answer(s)
A. Organelles
B. Cells
C. Tissues
D. Organs
E. Systems

Explanation
An organism is made up of various levels of organization, starting from the smallest unit called organelles, which are found within cells. Cells are the basic building blocks of life and are responsible for carrying out all the necessary functions. Cells come together to form tissues, which perform specific functions in the body. Different tissues then combine to form organs, which have specialized functions and work together to carry out specific tasks. Organs further coordinate their functions and form systems, which are interconnected and work together to maintain the overall functioning of the organism. Therefore, an organism is made up of organelles, cells, tissues, organs, and systems.

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2.

How can a "system" be defined as?
- A.
  
  Tissues and cells working together
- B.
  
  Organs, tissues and cells working together
- C.
  
  None of the above
Correct Answer
B. Organs, tissues and cells working together

Explanation
A "system" can be defined as organs, tissues, and cells working together. This definition suggests that in order for a system to function properly, there needs to be coordination and collaboration among different components of the body. This explanation aligns with the understanding that systems in the body, such as the respiratory system or the circulatory system, are composed of various organs, tissues, and cells that work together to perform specific functions.

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3.

All living things are composed of ______________

Correct Answer
cells

Explanation
Living things are composed of cells. Cells are the basic unit of life and are responsible for carrying out all the necessary functions of living organisms. They are the building blocks of all living organisms, from single-celled organisms like bacteria to complex multicellular organisms like plants and animals. Cells contain various organelles that work together to perform specific functions, allowing living organisms to grow, reproduce, and maintain homeostasis. Therefore, the statement that all living things are composed of cells is accurate and supported by scientific evidence.

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4.

Cell membrane ____ what enters and leaves the cell.

Correct Answer
controls
control

Explanation
The correct answer is "controls". The cell membrane acts as a barrier that controls what enters and leaves the cell, allowing only certain substances to pass through while blocking others. It regulates the movement of ions, molecules, and nutrients, maintaining the internal environment of the cell and protecting it from harmful substances. The cell membrane achieves this control through various mechanisms such as selective permeability and active transport processes.

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5.

What is the nucleus' function?
- A.
  
  Controls what exits the cell
- B.
  
  Controls the functions of the cell
- C.
  
  Performs osmosis
Correct Answer
B. Controls the functions of the cell

Explanation
The nucleus is responsible for controlling the functions of the cell. It contains the cell's genetic material, DNA, which carries the instructions for all cellular activities. The nucleus regulates gene expression, protein synthesis, and cell division. It also plays a crucial role in maintaining the integrity and stability of the genetic material. Additionally, the nucleus communicates with other cellular structures to coordinate various cellular processes. Therefore, the function of the nucleus is to control and regulate the overall activities and functions of the cell.

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6.

The vacuole is a storage space of amino acids and sugars for plants.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
The vacuole in plants serves as a storage space for various substances, including amino acids and sugars. It is a large, fluid-filled organelle that helps regulate the cell's internal environment and maintain turgor pressure. The vacuole also plays a crucial role in storing and recycling nutrients, maintaining pH balance, and storing pigments and toxins. Therefore, the statement that the vacuole is a storage space for amino acids and sugars in plants is true.

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7.

Select the components that you would find in a typical animal cell.
- A.
  
  Nucleus
- B.
  
  Cytoplasm
- C.
  
  Cell wall
- D.
  
  Chloroplast
- E.
  
  Cell membrane
- F.
  
  Vacoule
- G.
  
  Mitochondria
Correct Answer(s)
A. Nucleus
B. Cytoplasm
E. Cell membrane
G. Mitochondria

Explanation
The components that are typically found in an animal cell are the nucleus, cytoplasm, cell membrane, and mitochondria. The nucleus is the control center of the cell, containing the DNA. The cytoplasm is a gel-like substance that fills the cell and houses various organelles. The cell membrane acts as a protective barrier and regulates the movement of substances in and out of the cell. Mitochondria are responsible for producing energy through cellular respiration. Therefore, these components are essential for the functioning and survival of an animal cell.

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8.

Select the components that you would find in a typical plant cell.
- A.
  
  Nucleus
- B.
  
  Cytoplasm
- C.
  
  Cell wall
- D.
  
  Chloroplast
- E.
  
  Cell membrane
- F.
  
  Vacoule
- G.
  
  Mitochondria
Correct Answer(s)
A. Nucleus
B. Cytoplasm
C. Cell wall
D. Chloroplast
E. Cell membrane
F. Vacoule
G. Mitochondria

Explanation
A typical plant cell contains several components including the nucleus, cytoplasm, cell wall, chloroplast, cell membrane, vacuole, and mitochondria. The nucleus is the control center of the cell, containing genetic material. The cytoplasm is the gel-like substance that fills the cell and contains various organelles. The cell wall provides structural support and protection to the cell. Chloroplasts are responsible for photosynthesis, converting sunlight into energy. The cell membrane regulates the movement of substances in and out of the cell. Vacuoles store water, nutrients, and waste materials. Mitochondria are the powerhouse of the cell, producing energy through cellular respiration.

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9.

The cell wall provides the plant _______

Correct Answer(s)
support
protection

Explanation
The cell wall in plants provides support and protection. It acts as a rigid structure that maintains the shape and integrity of the plant cell, providing support to the plant as a whole. Additionally, the cell wall acts as a barrier, protecting the plant cell from external threats such as pathogens and mechanical damage.

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10.

Animal cells store carbohydrates as starch molecules.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
They store carbohydrates as glycogen molecules.

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IGCSE Biology Quiz On Plant And Animal Cells!

What is an organism made out of?

How can a "system" be defined as?

All living things are composed of ______________

Cell membrane ____ what enters and leaves the cell.

What is the nucleus' function?

The vacuole is a storage space of amino acids and sugars for plants.

Select the components that you would find in a typical animal cell.

Select the components that you would find in a typical plant cell.

The cell wall provides the plant _______

Animal cells store carbohydrates as starch molecules.