Cell Biology Quiz 3

Cell Biology Quiz

Cell Biology Quiz 3

A cell is a basic unit of life. This simply means that a cell is the smallest unit of a living thing. While some organisms are only made up of a single cell (bacteria, yeast, etc) others are multicellular organisms made up of many cells.

Q:41: It is a mesh of interconnected membranes that serve a function involving protein synthesis and transport.

  • (A) Endoplasmic reticulum
  • B) Cytoskeleton
  • (C) Golgi apparatus
  • (D) Both A and B

Answer:- {A} Endoplasmic reticulum

Q:42: Plant cells contain the following 3 things not found in animal cells _________, _____________and ______________.

  • (A) Plastids / Chlorophyll / Membrane
  • (B) Chloroplast / Cell wall / Golgi body
  • (C) Plastids / Cell wall / Chlorophyll
  • (D) Mitochondria / Cell wall /

Answer:- {C} Plastids / Cell wall / Chlorophyll

Q:43: The largest organelle in a mature living plant cell is the

  • (A) Chloroplast
  • (B) Nucleus
  • (C) Central vacuole
  • (D) Dictyosomes

Answer:- {C} Central vacuole

Q:44: Which of the following structure-function pairs is mismatched?

  • (A) Lysosome-intracellular digestion
  • (B) Golgi body-secretion of cell products
  • (C) Ribosome-protein synthesis
  • (D) Glyoxysome-detoxification

Answer:- {D} Glyoxysome-detoxification

Q:45: The three-dimensional network of protein filaments within the cytoplasm of eukaryotic cells is called the

  • (A) Endoplasmic reticulum
  • (B) Golgi apparatus
  • (C) Cytoskeleton
  • (D) None of these

Answer:- {C} Cytoskeleton

Q:46: Which of the following is NOT a membranous organelle?

  • (A) Lysosomes
  • (B) Peroxisomes
  • (C) Centrioles
  • (D) Mitochondria

Answer:- {C} Centrioles

Q:47: A cell that is missing lysosomes would have difficulty doing what?

  • (A) Digesting food
  • (B) Storing energy
  • (C) Packaging proteins
  • (D) Moving cytoplasm

Answer:- {A} Digesting food

Q:48: Which of the following cell part is described as a "fluid mosaic"?

  • (A) Chloroplast
  • (B) Vacuole
  • (C) Cell membrane
  • (D) Endoplasmic reticulum

Answer:- {C} Cell membrane

Q:49: What part of the cell serves as the intracellular highway?

  • (A) Endoplasmic reticulum
  • (B) Golgi apparatus
  • (C) Cell membrane
  • (D) Mitochondria

Answer:- {A} Endoplasmic reticulum

Q:50: Which of the following would you NOT find in a bacterial cell

  • (A) DNA
  • (B) Cell membrane
  • (C) Golgi apparatus
  • (D) Ribosomes

Answer:- {C} Golgi apparatus

Q:51: Somatic cells of a human have ____ chromosomes and are called

  • (A) 10, haploid
  • (B) 92, diploid
  • (C) 23, haploid
  • (D) 46, diploid

Answer:- {D}  46, diploid

Q:52: Each chromosome consists of two identical

  • (A) Genes
  • (B) Nuclei
  • (C) Chromatids
  • (D) Bases

Answer:- {C} Chromatids

Q:53: An animal has 80 chromosomes in its gametes, how many chromosomes would you expect to find in this animal's brain cells?

  • (A) 120
  • (B) 240
  • (C) 40
  • (D) 160

Answer:- {D} 160

Q:54: The length of each mitochondrion is about

  • (A) 1.0 μm
  • (B) 0.2 μm
  • (C) 10 μm
  • (D) 2.0 μm

Answer:- {C} 10 μm

Q:55: Isolation of cellular components to determine their chemical composition is called

  • (A) Cell differentiation
  • (B) Chromatography
  • (C) Cell fractionation
  • (D) All of these

Answer:- {C} Cell fractionation

Q:56: According to the mosaic model by Singer and Nicholson plasma membrane is composed of

  • (A) Phospholipids
  • (B) Extrinsic proteins
  • (C) Intrinsic proteins
  • (D) All of these

Answer:- {D} All of these

Q:57: Robert Brown is well known for his discovery of

  • (A) Chloroplast
  • (B) Photometer
  • (C) Nucleus
  • (D) Nucleolus

Answer:- {C} Nucleus

Q:58: Which organelle releases oxygen

  • (A) Mitochondrion
  • (B) Chloroplast
  • (C) Glyoxysome
  • (D) Both A and B

Answer:- {B} Chloroplast

Q:59: Endoskeleton of a cell is made up of

  • (A) Microtubules
  • (B) Microfilaments
  • (C) Intermediate filaments
  • (D) All of these

Answer:- {D} All of these

Q:60: Ribosomes are attached with ER by

  • (A) Larger subunit
  • (B) Smaller subunit
  • (C) Na+ ions
  • (D) None of these

Answer:- {A} Larger subunit