Showing posts with label Cell Biology MCQs. Show all posts
Showing posts with label Cell Biology MCQs. Show all posts

Monday, October 3, 2016

Cell Biology Questions Online Test 4

Cell Biology Questions Online Test 4
1. Which of the following correctly matches an organelle with its function?
  • Mitochondrion . . . photosynthesis
  • Nucleus . . . cellular respiration
  • Ribosome . . . manufacture of lipids
  • Central vacuole . . . storage


2. By which of the following can movement of materials across animal cell membranes be accomplished?
I Active transport, II Diffusion, III Pinocytosis
  • I only
  • II only
  • I and II only
  • All I, II, and III

Saturday, October 1, 2016

Biochemistry Questions Online Test 4

Biochemistry MCQs part 4
1. The Golgi complex
  • Synthesizes proteins
  • Produces ATP
  • Provides a pathway for transporting chemicals
  • Forms glycoproteins


2. The following points about microfilaments are true except
  • They form cytoskeleton with microtubules
  • They provide support and shape
  • They form intracellular conducting channels
  • They are involved in muscle cell contraction

Friday, September 23, 2016

Cell Cycle MCQs part 4

Cell Cycle MCQs part 4
1. In order for anaphase to begin, which of the following must occur?
  • Chromatids must lose their kinetochores
  • Cohesin must attach the sister chromatids to each other
  • Cohesin must be cleaved enzymatically
  • Kinetochores must attach to the metaphase plate.
2. Why do chromosomes coil during mitosis?
  • to increase their potential energy
  • to allow the chromosomes to move without becoming entangled and breaking
  • to allow the chromosomes to fit within the nuclear envelope
  • to allow the sister chromatids to remain attached

Thursday, September 22, 2016

Cell Biology MCQs part 3

Cell Biology MCQs part 3
1. 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?
  • Water will move toward the right side
  • salt will move toward the right side
  • Water will move toward the left side
  • salt will move toward the left side
2. Dye injected into a plant cell might be able to enter an adjacent cell through a
  • Tight junction
  • Microtubule
  • Desmosome
  • Plasmodesma

Wednesday, September 7, 2016

Cell Communication And Signalling MCQs Part 1

Cell Communication And Signalling MCQs Part 1
1. Which of the following is the correct order of events in signal transduction?
  • Receptor -> Chemical Signal -> Target Proteins -> Intracellular Proteins ->Cell Response
  • Chemical Signal -> Target Proteins-> Receptor -> Intracellular Proteins ->Cell Response
  • Chemical Signal -> Receptor -> Intracellular Proteins -> Target Proteins -> Cell Response
  • Chemical Signal -> Receptor -> Target Proteins -> Intracellular Proteins -> Cell Response
2. Which of the following types of chemical signals is secreted in the blood and travels long distances to its target.
  • Neurotransmitters
  • Cytokines
  • Hormones
  • Target Proteins
3. Which of the following is a characteristic of a receptor?
  • Speed
  • Specificity
  • Saturation
  • All except a
4. This type of extracellular receptor causes a transporter to open or close to allow particles through once a chemical signal binds.
  • G couple Protein
  • JAK Kinase
  • Tyrosine Kinase
  • Ligand Gated Ion Channel
5. An intracellular portion of this receptor phosphorylates intracellular Proteins.
  • G coupled Protein Receptor
  • Tyrosine Kinase
  • Ligand Gated Ion Channel
  • All of the following
6. Once Adenylyl cyclase is activated it
  • Opens Ca2+ doors on the Sarcoplasmic Reticulum
  • Makes cAMP
  • Phosphorylates intracellular proteins
  • Causes a change in membrane potential
7. IP3 does which of the following?
  • Opens Ca2+ doors on the Sarcoplasmic Reticulum
  • Activates target proteins
  • Both a and b
  • None of the above
8. An insulin receptor is an example a _____________ receptor.
  • Tyrosine Kinase
  • G couple Protein
  • Ligand Gated Ion Channel
  • JAK Kinase
9. Most cytokine receptors are an example a _____________ receptor.
  • Tyrosine Kinase
  • G couple Protein
  • Ligand Gated Ion Channel
  • JAK Kinase
10. Beta adrenergic receptors on cardiac contractile cells are an example a _____________ receptor.
  • Tyrosine Kinase
  • G couple Protein
  • Ligand Gated Ion Channel
  • JAK Kinase
Cell Communication And Signalling MCQs

Score =

Correct answers:


Cell Communication And Signalling MCQs Parts => 1..


Tuesday, August 30, 2016

Cell Biology MCQs part 2

Cell Biology MCQs part 2
1. The structure within a cell that distinguishes the cell as being eukaryotic, and prokaryotic is
  • Ribosomes
  • Cell membrane
  • Cell wall
  • Nucleus
2. Microtubules consist of helically stacked molecules of the protein
  • Actin
  • Myosin
  • Keratin
  • Tubulin
3. The microfilaments composed of
  • Actin protein
  • Gelatin protein
  • Keratin protein
  • Tubulin protein
4. Lysosomes have
  • Single-layered membrane
  • Double-layered membrane
  • Three-layered membrane
  • No membrane
5. Which of the following are regularly assembled and disassembled during cell cycle.
  • Microtubules
  • Intermediate filaments
  • Both A and B
  • None of these
6. Plant cell wall
  • Provide rigidity to the cell
  • Maintains cell shape
  • Prevents expansion of cell
  • All A, B and C
7. In which organelle following reaction takes place 6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6+ 6 O2
  • Mitochondrion
  • Peroxisome
  • Chloroplast
  • Glyoxysome
8. SER is abundant in cells that are involved in
  • Lipid metabolism
  • Protein metabolism
  • Glucose metabolism
  • Calcium metabolism
9. The transport vesicles from the Endoplasmic Reticulum(ER) fuse with the ____of the Golgi apparatus.
  • Cis face
  • Trans face
  • Coated face
  • Both A and B
10.The door to your house is like the __________________ of a cell membrane?
  • Phospholipid bilayer
  • Integral protein
  • Recognition protein
  • Peripheral protein
Cell Biology MCQs

Score =

Correct answers:


Cell Biology MCQs Parts =>

1.. 2.. 3..


Friday, August 26, 2016

Cell Biology MCQs part 1

Cell Biology MCQs part 1
1. Which one of following is true about chloroplast
  • It is underground part
  • It helps in pollination
  • Self replicating organelle
  • Involve in Lipid synthesis
2. One of the following is not double membranous structure
  • Mitochondrion
  • Vacuole
  • Chloroplast
  • Nucleus
3. Tay Sach’s disease is because of
  • Accumulation of proteins
  • Accumulation of glycogen
  • Accumulation of lipids
  • Accumulation of vitamins
4. Modification of proteins and lipids as glycopeptides and lipo-proteins occur in
  • Ribosomes
  • Golgi apparatus
  • SER
  • All A, B and C
5. Ribosomes are chemically composed of
  • Protein
  • Only DNA
  • RNA
  • Both A + C
6. Detoxification of harmful drugs is the function
  • RER
  • SER
  • Both A and B
  • None of the above
7. Which type of cell would probably be most appropriate to study chloroplasts
  • Conducting cell
  • Photosynthetic cell
  • Pericycle cell
  • All options are correct
8. Cell wall consist of
  • One main layer
  • Two main layers
  • Three main layers
  • Four main layers
9. Leucoplast are found
  • Petals
  • Ripened fruits
  • Underground parts
  • Leaves
10. The intake of solid food by infloding of cell membrane is called
  • Exocytosis
  • Pinocytosis
  • Phagocytosis
  • Both B and C
Cell Biology MCQs

Score =

Correct answers:


Cell Biology MCQs Parts =>

1.. 2..


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