Cell Biology Quiz 2

Cell Biology Quiz

Cell Biology Quiz #2

The key to single-cell biology, of course, is isolating a single cell. This typically is accomplished using micromanipulation, microfluidics, or fluorescence-activated cell sorting (FACS), the method Stepanauskas favors.

Q:21: A semi-permeable membrane is stretched across a chamber filled with water. The membrane is only permeable to water. 60 mg of salt is added to the left side of the chamber. Which of the following will happen?

  • (A) Water will move toward the right side
  • (B) salt will move toward the right side
  • (C) Water will move toward the left side
  • (D) salt will move toward the left side

Answer:- {C} Water will move toward the left side

Q:22: Dye injected into a plant cell might be able to enter an adjacent cell through a

  • (A) Tight junction
  • (B) Microtubule
  • (C) Desmosome
  • (D) Plasmodesma

Answer:- {D} Plasmodesma

Q:23: What are the two faces of the Golgi body?

  • (A) Funny face and goofy face
  • (B) Coated face and non-coated face
  • (C) Saving face and losing face
  • (D) Cis face and Trans face

Answer:- {D} Cis face and Trans face

Q:24: Adjacent plant cells are “cemented” together by

  • (A) Their primary walls
  • (B) Their secondary walls
  • (C) A middle lamella
  • (D) Plasmodesmata

Answer:- {C} A middle lamella

Q:25: What is a microscope's ability to distinguish between separate objects that are close together?

  • (A) Magnification
  • (B) Contrast
  • (C) Resolving power
  • (D) Scanning power

Answer:- {C} Resolving power

Q:26: What is the power of the objective lens of a microscope if an eyepiece of power 10x is used and the total magnification of the object is 40x?

  • (A) 4
  • (B) 10
  • (C) 40
  • (D) 400

Answer:- {A} 4

Q:27: Within chloroplasts, light is captured by

  • (A) Grana within cisternae
  • (B) Thylakoids within grana
  • (C) Cisternae within grana
  • (D) Grana within thylakoids

Answer:- {B} Thylakoids within grana

Q:28: If a gene mutation prevents the formation of an enzyme normally used by lysosomes, a disease may result known as

  • (A) Lysosomal abstracted disease
  • (B) Lysosomal secretory disease
  • (C) Lysosomal storage disease
  • (D) All A, B, and C

Answer:- {C} Lysosomal storage disease

Q:29: Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

  • (A) Diffusion
  • (B) Passive transport
  • (C) Osmosis
  • (D) Active transport

Answer:- {D} Active transport

Q:30: The diagram below shows the structure of the chloroplast. The structure labeled as x is

  • (A) Granum
  • (B) Stroma
  • (C) Frets
  • (D) Lamella

Answer:- {A} Granum

Q:31: Which of the following correctly matches an organelle with its function?

  • (A) Mitochondrion . . . photosynthesis
  • (B) Nucleus . . . cellular respiration
  • (C) Ribosome . . . manufacture of lipids
  • (D) Central vacuole . . . storage

Answer:- {D} Central vacuole . . . storage

Q:32: By which of the following can movement of materials across animal cell membranes be accomplished?
I Active transport, II Diffusion, III Pinocytosis

  • (A) I only
  • (B) II only
  • (C) I and II only
  • (D) All I, II, and III

Answer:- {D} All I, II, and III

Q:33: Hydrogen peroxide degradation in a cell is a function of

  • (A) Ribosomes
  • (B) Mitochondria
  • (C) Peroxisomes
  • (D) Glyoxisomes

Answer:- {C} Peroxisomes

Q:34: Cells are commonly studied in the lab. If you were examining various unlabelled slides of cells under the microscope, you could tell if the cell was from a plant by the presence of

  • (A) A nucleus
  • (B) A cell membrane
  • (C) Cytoplasm
  • (D) A cell wall

Answer:- {D} A cell wall

Q:35: Ribosomes are constructed in the

  • (A) Endoplasmic reticulum
  • (B) Nucleoid
  • (C) Nucleolus
  • (D) Nuclear pore

Answer:- {C} Nucleolus

Q:36: Each chloroplast encloses a system of flattened, membranous sacs called

  • (A) Cristae
  • (B) Thylakoids
  • (C) Plastids
  • (D) Cisternae

Answer:- {B} Thylakoids

Q:37: Which one of the following is an exception to cell theory

  • (A) Bacteria
  • (B) Viruses
  • (C) Protists
  • (D) Protozoans

Answer:- {B} Viruses

Q:38: The site of enzymes directing the metabolic oxidation (respiration), ATP synthesis and considered as the powerhouse of the cell are

  • (A) Lysosomes
  • (B) Microsomes
  • (C) Mitochondria
  • (D) Golgi apparatus

Answer:- {C} Mitochondria

Q:39: Dictyosome is also known as

  • (A) Golgi body
  • (B) Ribosome
  • (C) Lysosome

Answer:- {A} Golgi body


(D) PeroxisomeQ:40: Biochemically the ribosome consists of _______________ and some 50 structural .

  • (A) mRNA, Carbohydrates
  • (B) tRNA, lipids
  • (C) mRNA, Proteins
  • (D) rRNA, Proteins

Answer:- {D} rRNA, Proteins