Cell The Unit of Life MCQ with Answers Part-1 [50 MCQs]

Leave a Comment / By /
Rate this post

Dear aspirants, please attempt all the MCQs on “Cell: The Unit of Life”. If you find any incorrect answers, please comment so that we can update the questions.

The next part will be uploaded soon. Please visit our website regularly for updates.

What is the basic unit of life?

  1. Organ
  2. Cell
  3. Tissue
  4. Organism

What makes an organism living?

  1. The presence of a brain
  2. The ability to move
  3. The presence of cells
  4. The ability to communicate

What are organisms composed of?

  1. Tissues
  2. Organs
  3. Cells
  4. All of the above

What are unicellular organisms?

  1. Organisms composed of many cells
  2. Organisms composed of a single cell
  3. Organisms that can move
  4. Organisms that can communicate

What are multicellular organisms?

  1. Organisms composed of many cells
  2. Organisms composed of a single cell
  3. Organisms that can move
  4. Organisms that can communicate

What is a cell?

  1. The basic unit of life
  2. An organ of the body
  3. A type of tissue
  4. None of the above

What are unicellular organisms?

  1. Organisms composed of many cells
  2. Organisms composed of a single cell
  3. Organisms that can move
  4. Organisms that can communicate

What does a complete structure of a cell ensure?

  1. The ability to communicate
  2. The ability to move
  3. Independent living
  4. None of the above

Who first saw and described a live cell?

  1. Robert Brown
  2. Anton Van Leeuwenhoek
  3. Louis Pasteur
  4. Robert Hooke

What did Robert Brown discover?

  1. The microscope
  2. The nucleus
  3. The cell membrane
  4. The mitochondria

Who discovered that all plants are composed of different kinds of cells?

  1. Theodore Schwann
  2. Matthias Schleiden
  3. Both A and B
  4. None of the above

Who studied different types of animal cells and reported that cells had a thin outer layer which is today known as the plasma membrane?

  1. Theodore Schwann
  2. Matthias Schleiden
  3. Both A and B
  4. None of the above

What is the unique character of plant cells according to Theodore Schwann?

  1. Plasma membrane
  2. Cell wall
  3. Cytoplasm
  4. Nucleus

Who proposed the hypothesis that the bodies of animals and plants are composed of cells and products of cells?

  1. Theodore Schwann
  2. Matthias Schleiden
  3. Both A and B
  4. None of the above

Who formulated the original cell theory?

  1. Rudolf Virchow
  2. Matthias Schleiden and Theodore Schwann
  3. Robert Hooke
  4. Louis Pasteur

What was the main limitation of the original cell theory?

  1. It did not explain how new cells were formed
  2. It did not mention the existence of cell membranes
  3. It did not include non-living organisms
  4. It did not include the concept of genetics

Who first explained how new cells were formed?

  1. Robert Hooke
  2. Louis Pasteur
  3. Rudolf Virchow
  4. Gregor Mendel

What modification did Rudolf Virchow make to the original cell theory?

  1. He added the concept of genetics
  2. He emphasized the importance of cell membranes
  3. He explained how new cells were formed
  4. He introduced the idea of organelles

What is the cell theory as understood today?

  1. All living organisms are composed of cells and products of cells.
  2. All cells arise from pre-existing cells.
  3. Cells are the basic unit of life.
  4. All of the above.

What is the outer boundary of an onion cell?

  1. Cell membrane
  2. Nucleus
  3. Cytoplasm
  4. Cell wall

What is the outer membrane of the human cheek cell called?

  1. Cell wall
  2. Cell membrane
  3. Nucleus
  4. Cytoplasm

What is the dense membrane-bound structure present inside each cell?

  1. Cell wall
  2. Cell membrane
  3. Nucleus
  4. Cytoplasm

Which type of cell is a typical plant cell?

  1. Human cheek cell
  2. Liver cell
  3. Onion cell
  4. Muscle cell

What is the delimiting structure of a human cheek cell?

  1. Nucleus
  2. Cell wall
  3. Cytoplasm
  4. Cell membrane

Which structure in the cell contains the genetic material?

  1. Cytoplasm
  2. Nucleus
  3. Cell membrane
  4. Cell wall

What is the genetic material present in the chromosomes?

  1. RNA
  2. Lipids
  3. Proteins
  4. DNA

What is the name given to cells that have a membrane-bound nucleus?

  1. Prokaryotic
  2. Eukaryotic
  3. Monocellular
  4. Multicellular

Which type of cells lack a membrane-bound nucleus?

  1. Prokaryotic
  2. Eukaryotic
  3. Multicellular
  4. Monocellular

What is the name of the semi-fluid matrix that occupies the volume of the cell?

  1. Cytoplasm
  2. Nucleus
  3. Cell membrane
  4. Cell wall

What is the main arena of cellular activities in both plant and animal cells?

  1. Nucleus
  2. Cell wall
  3. Cytoplasm
  4. Cell membrane

What occurs in the cytoplasm to keep the cell in its ‘living state’?

  1. Cellular respiration
  2. Photosynthesis
  3. Digestion
  4. Various chemical reactions

Which type of cells do not have a membrane-bound nucleus?

  1. Prokaryotic cells
  2. Eukaryotic cells
  3. Animal cells
  4. Plant cells

Which part of the cell is responsible for maintaining the ‘living state’ of the cell?

  1. Nucleus
  2. Cytoplasm
  3. Mitochondria
  4. Chloroplasts

What are the chemical reactions that occur in the cytoplasm called?

  1. Cellular respiration
  2. Photosynthesis
  3. Metabolism
  4. Digestion

What are the membrane-bound structures found in eukaryotic cells, besides the nucleus?

  1. Ribosomes
  2. Endoplasmic reticulum, Golgi complex, lysosomes, mitochondria, microbodies, and vacuoles
  3. Cell membrane and cell wall
  4. Nucleolus and nucleoplasm

Which of the following organelles are present in prokaryotic cells?

  1. Endoplasmic reticulum
  2. Golgi complex
  3. Lysosomes
  4. None of the above

Which organelle is responsible for producing energy in eukaryotic cells?

  1. Endoplasmic reticulum
  2. Golgi complex
  3. Lysosomes
  4. Mitochondria

Which organelle is responsible for sorting and packaging proteins in eukaryotic cells?

  1. Endoplasmic reticulum
  2. Golgi complex
  3. Lysosomes
  4. Mitochondria

Which organelle is responsible for breaking down and recycling cellular waste in eukaryotic cells?

  1. Endoplasmic reticulum
  2. Golgi complex
  3. Lysosomes
  4. Mitochondria

What is the main difference between eukaryotic and prokaryotic cells in terms of organelles?

  1. Eukaryotic cells have more organelles than prokaryotic cells
  2. Prokaryotic cells have more organelles than eukaryotic cells
  3. Eukaryotic cells have membrane-bound organelles, while prokaryotic cells lack them
  4. Prokaryotic cells have larger organelles than eukaryotic cells

What is the name of the non-membrane-bound organelle found in animal cells that helps in cell division?

  1. Chloroplast
  2. Nucleus
  3. Centrosome
  4. Mitochondria

What is the size of Mycoplasmas, the smallest cells?

  1. 0.03 µm
  2. 0.3 µm
  3. 3 µm
  4. 30 µm

What is the size range of bacteria?

  1. 0.3 to 0.5 µm
  2. 3 to 5 µm
  3. 30 to 50 µm
  4. 300 to 500 µm

What is the largest isolated single cell?

  1. Egg of an ostrich
  2. Human red blood cell
  3. Bacteria
  4. Mycoplasma

What is the diameter of human red blood cells?

  1. 0.7 µm
  2. 7.0 µm
  3. 70 µm
  4. 700 µm

Which type of cells are some of the longest cells?

  1. Epithelial cells
  2. Nerve cells
  3. Muscle cells
  4. Connective tissue cells

In what ways may cells vary in their shape?

  1. Only disc-like and polygonal
  2. Only columnar and cuboid
  3. Disc-like, polygonal, columnar, cuboid, thread-like, or irregular
  4. Only thread-like and irregular

Does the shape of the cell vary with its function?

  1. Yes
  2. No
  3. Maybe
  4. None of the above

What are some examples of prokaryotic cells?

  1. Animal cells and plant cells
  2. Fungi cells and algae cells
  3. Bacteria, blue-green algae, mycoplasma, and PPLO
  4. None of the above

Which type of cells are represented by bacteria, blue-green algae, mycoplasma, and PPLO?

  1. Eukaryotic cells
  2. Prokaryotic cells
  3. Animal cells
  4. Plant cells

Share This:

Leave a Comment

Your email address will not be published. Required fields are marked *

Ads Blocker Image Powered by Code Help Pro

Ads Blocker Detected!!!

We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker.

Powered By
100% Free SEO Tools - Tool Kits PRO
Scroll to Top