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NEET UG Cell: The Unit of Life — practice questions — page 3

Explore 87 free Cell: The Unit of Life questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Cell: The Unit of Life questions and exercises with answers

Showing questions 61–87 of 87.

Matthias Schleiden studied a large number of:Read the answer and worked solution →Theodore Schwann studied different types of cells from:Read the answer and worked solution →Schwann reported that cells had a thin outer layer now called the:Read the answer and worked solution →Which structure did Schwann call unique to plant cells?Read the answer and worked solution →Who first explained that new cells arise from pre-existing cells?Read the answer and worked solution →In which year did Virchow give this explanation?Read the answer and worked solution →Cells having a membrane bound nucleus are called:Read the answer and worked solution →Prokaryotic cells notably lack:Read the answer and worked solution →Small circular DNA lying outside the genomic DNA of bacteria is a:Read the answer and worked solution →Plasmid DNA commonly confers on bacteria a resistance to:Read the answer and worked solution →Extensions of the plasma membrane into a bacterial cell form the:Read the answer and worked solution →The prokaryotic ribosome is designated:Read the answer and worked solution →The 70S prokaryotic ribosome is made of subunits:Read the answer and worked solution →The eukaryotic ribosome is designated:Read the answer and worked solution →The 80S eukaryotic ribosome is made of subunits:Read the answer and worked solution →Ribosomes are the site of:Read the answer and worked solution →Several ribosomes attached to a single mRNA form a:Read the answer and worked solution →The fluid mosaic model was proposed by Singer and:Read the answer and worked solution →The fluid mosaic model was proposed in the year:Read the answer and worked solution →Order the story of the cell theoryRead the answer and worked solution →Match each name to the findingRead the answer and worked solution →Prokaryotic or eukaryoticRead the answer and worked solution →Count the ribosome subunitsRead the answer and worked solution →True or false on the cellRead the answer and worked solution →Fill the gaps on the cellRead the answer and worked solution →Quick picks on the cellRead the answer and worked solution →Spot the one that does not fitRead the answer and worked solution →

Worked practice questions

Matthias Schleiden studied a large number of:

  1. Plants
  2. Prisms
  3. Powders
  4. Pebbles
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Correct answer: A. Plants

1. Schleiden was a German botanist. 2. In 1838 he examined a large number of plants. 3. He observed that all plants are composed of different kinds of cells. _Source: syllabus Biology, Ch 8 'Cell: The Unit of Life'_

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Theodore Schwann studied different types of cells from:

  1. Almonds
  2. Animals
  3. Algaes
  4. Acacias
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Correct answer: B. Animals

1. Schwann was a zoologist, not a botanist. 2. In 1839 he studied different types of animal cells. 3. So the correct answer is animals. _Source: syllabus Biology, Ch 8 'Cell: The Unit of Life'_

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Schwann reported that cells had a thin outer layer now called the:

  1. Plated membrane
  2. Porous membrane
  3. Plasma membrane
  4. Plastid membrane
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Correct answer: C. Plasma membrane

1. He described a boundary layer around every cell. 2. This thin outer layer is today known as the plasma membrane. 3. So the correct answer is plasma membrane. _Source: syllabus Biology, Ch 8 'Cell: The Unit of Life'_

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