Science For Grade: 6

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| By Narjis Zaidi

Narjis Zaidi

Community Contributor

Quizzes Created: 2 | Total Attempts: 887

Questions: 14 | Attempts: 669 | Updated: Feb 8, 2024

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Questions and Answers

1.

What tool do you use to view the cells?
- A.
  
  Metric ruler
- B.
  
  Centrifuge
- C.
  
  Microscope
- D.
  
  Pipette
Correct Answer
C. Microscope

Explanation
A microscope is used to view cells because it allows for magnification and visualization of cells at a microscopic level. It enables scientists to observe the structure, shape, and characteristics of cells, which are otherwise not visible to the naked eye. By using a microscope, scientists can study the intricate details of cells and gain a better understanding of their functions and behavior.

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2.

What of the following is not a cell theory
- A.
  
  All non living things have cell
- B.
  
  Cell is a building unit of life
- C.
  
  Cells make tissues
- D.
  
  Nucleus is important part of the cell
Correct Answer
A. All non living things have cell

Explanation
The statement "All non living things have cell" is not a part of the cell theory. The cell theory states that all living organisms are composed of cells, cells are the basic unit of structure and function in living organisms, and all cells come from pre-existing cells. The statement that all non-living things have cells is incorrect because non-living things do not possess the characteristics of living organisms and therefore do not have cells.

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3.

Which is the correct order of the organization?
- A.
  
  Tissue, cell, organ, organ system
- B.
  
  Organ, organ system, tissue, organism, cells
- C.
  
  Cells, tissue, organ, organ system, organism
- D.
  
  Cells, organs, tissue, organ system, organism
Correct Answer
C. Cells, tissue, organ, organ system, organism

Explanation
The correct order of organization is cells, tissue, organ, organ system, organism. This is because cells are the basic building blocks of living organisms. Cells combine to form tissues, which are groups of similar cells that perform a specific function. Different types of tissues come together to form organs, which are structures that carry out specific functions in the body. Organs work together in organ systems, which are groups of organs that work together to perform a specific function. Finally, all the organ systems together make up an organism, which is a living being.

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4.

A group of similar cells that come together to perform a specific function is a/an
- A.
  
  Organ
- B.
  
  Tissue
- C.
  
  Organism
- D.
  
  Organ system
Correct Answer
A. Organ

Explanation
A group of similar cells that come together to perform a specific function is called an organ. Organs are made up of different types of tissues that work together to carry out a particular function in the body. Unlike individual cells or tissues, organs have a more complex structure and perform more specialized functions. Examples of organs include the heart, lungs, liver, and kidneys.

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5.

This is the example of _____
- A.
  
  Organ
- B.
  
  Organ system
- C.
  
  Tissue
- D.
  
  Cell
Correct Answer
B. Organ system

Explanation
This question is asking for an example of something. The options given are organ, organ system, tissue, and cell. The correct answer is "organ system." An organ system is a group of organs that work together to perform a specific function in the body. This is different from an individual organ, which is a structure made up of different tissues that performs a specific function. A tissue is a group of cells that work together to perform a specific function, and a cell is the basic unit of life. Therefore, the correct answer is organ system.

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6.

This is the example of _____
- A.
  
  Organ
- B.
  
  Organ system
- C.
  
  Tissue
- D.
  
  Cell
Correct Answer
A. Organ

Explanation
This question is an example of a classification question where the options are different levels of biological organization. The correct answer, "Organ," represents a higher level of organization compared to the other options. An organ is a group of tissues that work together to perform a specific function in the body.

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7.

Tissues that perform the same function is called ____
- A.
  
  Cells
- B.
  
  Tissue
- C.
  
  Organ
- D.
  
  Organ system
Correct Answer
C. Organ

Explanation
An organ is composed of different types of tissues that work together to perform a specific function in the body. For example, the heart is an organ composed of cardiac muscle tissue, connective tissue, and nervous tissue, among others, all working together to pump blood throughout the body.

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8.

A group of tissues that perform similar function is called _____ (Examples included heart, lungs or stomach)
- A.
  
  Organ
- B.
  
  Organ system
- C.
  
  Tissue
- D.
  
  None of the above
Correct Answer
A. Organ

Explanation
The correct answer is "Organ". This is because a group of tissues that perform similar functions is called an organ. Examples of organs include the heart, lungs, and stomach.

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9.

This is the example of ____
- A.
  
  Cells
- B.
  
  Tissue
- C.
  
  Organs
- D.
  
  Organism
Correct Answer
B. Tissue

Explanation
This question is an example of a classification question. The options provided are different levels of biological organization, ranging from cells to organisms. The correct answer is "Tissue" because it is the level of organization that is higher than cells but lower than organs. Tissues are groups of cells that work together to perform a specific function in the body.

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10.

What is the difference between a cell and a tissue?
- A.
  
  Cell is basic unit of life; tissue is a group of different cells
- B.
  
  Cell is a basic unit of life; tissue is a group of cells that work as one
- C.
  
  Cell is a basic unit of life; tissue is group of different organs
- D.
  
  None of the above
Correct Answer
A. Cell is basic unit of life; tissue is a group of different cells

Explanation
A cell is the basic unit of life, meaning it is the smallest and most fundamental unit that can carry out all the necessary functions of life. On the other hand, a tissue is a group of different cells that work together as one unit to perform a specific function. Therefore, the correct answer is that a cell is the basic unit of life, while a tissue is a group of cells that work as one.

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11.

When many organs system works together it can form_____
- A.
  
  Organs
- B.
  
  Organ system
- C.
  
  Tissue
- D.
  
  Organism
Correct Answer
B. Organ system

Explanation
When many organs work together, they form an organ system. An organ system is a group of organs that work together to perform specific functions in the body. Each organ within the system has a specific role, and they collaborate to carry out complex tasks necessary for the body's overall functioning. Therefore, the correct answer is organ system.

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12.

Which one of these is the basic unit of life
- A.
  
  Organs
- B.
  
  Organism
- C.
  
  Tissue
- D.
  
  Cell
Correct Answer
D. Cell

Explanation
The basic unit of life is a cell. Cells are the smallest structural and functional unit of living organisms. They are responsible for carrying out all the necessary processes of life, such as metabolism, growth, and reproduction. Cells can exist as independent organisms, such as bacteria, or they can work together to form tissues, organs, and ultimately, an organism. Therefore, out of the given options, the correct answer is cell.

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13.

This is a diagram of______
- A.
  
  Organs
- B.
  
  Organ system
- C.
  
  Cells
- D.
  
  Tissues
Correct Answer
B. Organ system

Explanation
This diagram represents an organ system because it shows multiple organs working together to perform a specific function. Organs are individual structures that have specific functions, but an organ system is a group of organs that work together to carry out a particular task or function in the body.

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14.

Controls what passes in and out of the nucleus
- A.
  
  Nuclear membrane
- B.
  
  Vacuole
- C.
  
  Cytoplasm
- D.
  
  Chloroplast
Correct Answer
A. Nuclear membrane

Explanation
The nuclear membrane is responsible for controlling what passes in and out of the nucleus. It acts as a barrier, separating the contents of the nucleus from the cytoplasm. This selective barrier allows certain molecules to enter or exit the nucleus while preventing others from doing so. The nuclear membrane is composed of two layers, an inner and outer membrane, which are perforated by nuclear pores. These pores regulate the transport of molecules, such as proteins and RNA, between the nucleus and the cytoplasm. Therefore, the nuclear membrane is the correct answer as it controls the movement of substances in and out of the nucleus.

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