Science 6: Cells And Heredity

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| By Kanoel

Kanoel

Community Contributor

Quizzes Created: 1 | Total Attempts: 161

Questions: 10 | Attempts: 161 | Updated: Mar 19, 2023

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This quiz is made as review for third assessment

Questions and Answers

1.

The first person to describe cells was:
- A.
  
  Robert Hooke
- B.
  
  Anton Van Leewenhoek
- C.
  
  Matthias Schleiden
- D.
  
  Rudolf Virchow
Correct Answer
A. Robert Hooke

Explanation
Born in 1635, Hooke made a simple microscope to examine a layer of cork.

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2.

Which of these statements is NOT part of the cell theory?
- A.
  
  All living things are made of one or more cells
- B.
  
  All living things have chloroplast.
- C.
  
  Cells are basic units of living things
- D.
  
  All cells come from existing cells
Correct Answer
B. All living things have chloroplast.

Explanation
The statement "All living things have chloroplast" is not part of the cell theory. The cell theory states that all living things are made of one or more cells, cells are the basic units of living things, and all cells come from existing cells. However, not all living things have chloroplasts. Chloroplasts are only found in plant cells and some algae cells, not in all living organisms.

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3.

Plants have rigid _____________ to support the cells, which is absent in animals.

Correct Answer
cell wall

Explanation
Plants have a cell wall to provide structural support to their cells, which is not present in animals. The cell wall is a rigid layer made up of cellulose that surrounds the cell membrane in plant cells. It helps maintain the shape and integrity of the cell, preventing it from collapsing under its own weight. In contrast, animal cells do not have a cell wall and rely on other structures, such as the cytoskeleton, for support.

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4
4.

__________ are structures that perform specific functions within the cells.

Correct Answer
Organelles

Explanation
Organelles are structures within cells that carry out specific functions. They are like tiny organs within a cell, each with its own specialized role. Examples of organelles include the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus. These structures work together to ensure the proper functioning of the cell and are essential for its survival and overall health.

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1
4 0
5.

The part of the cells that make proteins are called
- A.
  
  Nucleus
- B.
  
  Vacuole
- C.
  
  Ribosomes
- D.
  
  Lysosomes
Correct Answer
C. Ribosomes

Explanation
Ribosomes are the part of the cells that make proteins. They are responsible for protein synthesis, which is a crucial process in all living organisms. Ribosomes can be found in both prokaryotic and eukaryotic cells, and they are composed of RNA and proteins. They read the genetic information stored in DNA and use it to assemble amino acids into proteins. Without ribosomes, cells would not be able to produce the proteins necessary for their structure, function, and regulation. Therefore, ribosomes are essential for the proper functioning of cells.

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6.

What part of the cells that convert the chemical energy of food into a form the cell can use?
- A.
  
  Cell membrane
- B.
  
  Endoplasmic reticulum
- C.
  
  Mitochondrion
- D.
  
  Cytoplasm
Correct Answer
C. Mitochondrion

Explanation
Mitochondria are the organelles responsible for converting the chemical energy from food into a usable form for the cell. They are often referred to as the "powerhouses" of the cell because they produce adenosine triphosphate (ATP), which is the main energy source for cellular processes. The cell membrane is responsible for controlling the movement of substances in and out of the cell, the endoplasmic reticulum is involved in protein synthesis and lipid metabolism, and the cytoplasm is the fluid that fills the cell. However, none of these organelles are directly responsible for converting the chemical energy of food into usable energy.

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7.

The part of plant cells that make its own food is called ____________.

Correct Answer
chloroplast

Explanation
The part of plant cells that make its own food is called chloroplast. Chloroplasts are organelles found in the cells of plants and algae, and they are responsible for photosynthesis, the process through which plants convert sunlight into energy-rich molecules such as glucose. Chloroplasts contain chlorophyll, a pigment that captures light energy, and other enzymes necessary for photosynthesis to occur. This process allows plants to produce their own food and is essential for their survival.

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4
8.

Cell division is called ___________.

Correct Answer
mitosis

Explanation
Mitosis is the process of cell division in which a single cell divides into two identical daughter cells. It is a crucial process for growth, repair, and maintenance of multicellular organisms. During mitosis, the cell undergoes several stages, including prophase, metaphase, anaphase, and telophase, which result in the formation of two genetically identical daughter cells. Mitosis is responsible for the growth and development of organisms, as well as the replacement of damaged or old cells.

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4
9.

What is the passing of traits of parents to their offspring or children?
- A.
  
  Asexual
- B.
  
  Heredity
- C.
  
  DNA
- D.
  
  Mitosis
Correct Answer
B. Heredity

Explanation
Heredity is the passing of traits from parents to their offspring or children. It involves the transmission of genetic information, such as DNA, from one generation to the next. Through heredity, characteristics such as eye color, height, and certain diseases can be inherited from parents. This process is essential for the continuity of species and is responsible for the similarities and differences observed among individuals within a population.

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10.

In __________, offspring come from a single parent.
- A.
  
  Asexual reproduction
- B.
  
  Sexual reproduction
Correct Answer
A. Asexual reproduction

Explanation
Asexual reproduction is the correct answer because it is the process in which offspring are produced from a single parent without the involvement of gametes or fertilization. This type of reproduction is common among many organisms, such as bacteria, fungi, and plants, where offspring are genetically identical or very similar to the parent. In contrast, sexual reproduction involves the fusion of gametes from two parents, resulting in offspring with a combination of genetic material from both parents.

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Current Version
Mar 19, 2023

Quiz Edited by
ProProfs Editorial Team
Jan 18, 2010

Quiz Created by
Kanoel

Science 6: Cells And Heredity

The first person to describe cells was:

Which of these statements is NOT part of the cell theory?

Plants have rigid _____________ to support the cells, which is absent in animals.

__________ are structures that perform specific functions within the cells.

The part of the cells that make proteins are called

What part of the cells that convert the chemical energy of food into a form the cell can use?

The part of plant cells that make its own food is called ____________.

Cell division is called ___________.

What is the passing of traits of parents to their offspring or children?

In __________, offspring come from a single parent.