Muhammad Imdad Ullah

MDCAT Biology Quiz: Biological Molecules Free MCQs 2

by

Preparing for the MDCAT Biology Quiz? Challenge yourself with this 20-question practice test on Biological Molecules: covering DNA coiling, codon recognition, and sugar rings. Let us start the Online MDCAT Biology Quiz now:

QUIZ START

Online MDCAT Biology Quiz: Biological Molecules Practice MCQs with Answers

  1. Watson and Francis Crick built ———— model of DNA
  2. Nonsense codons are recognized by the
  3. Amino acids are arranged according to the information present on
  4. Chain length of rRNA molecule is ——————– nucleotide
  5. On hydrolysis, oligosaccharides yield —————- monosaccharides
  6. Coiling of DNA strands is
  7. Which of the following is a disaccharide?
  8. Glycogen resembles which of the following?
  9. The general formula of carbohydrates is $Cx$ (H20) $y$ where $x$ is the whole number
  10. Polyhydroxy aldehydes or ketones are
  11. The example of a polyhydroxy ketone is
  12. “Complex substances which on hydrolysis yield polyhydroxy aldehyde or ketone subunits” are
  13. The sources of carbohydrates are
  14. Glucose forms a six-corner ring called
  15. —————- corners of ribofuranose are occupied by carbon
  16. —————- corners of Glycopyranose are occupied by carbon atoms
  17. In the free state, glucose is present in
  18. In combined form, glucose is found in
  19. Starch, cellulose and glycogen yield on complete hydrolysis
  20. Glucose is naturally produced in
MDCAT Biology Quiz: Biological Molecules Practice MCQs

Try Zoology MCQs Tests

Biological Molecules Practice Questions with Answers 1

by

Test your knowledge with 20 high-yield MDCAT Biological Molecules Practice Questions MCQs on Biological Molecules, Enzymes, enzyme inhibition, carbohydrate structures, glycosidic linkages, and Carbohydrates. Boost your MDCAT score with practice quiz questions! Let us start with the online MDCAT Biology Test: Biological Molecules Practice Questions with Answers now:

QUIZ START

Online Biological Molecules Practice Questions with Answers

  1. A student of chemical engineering mistakenly ingested the toxic compound A, which was a potent inhibitor of a certain enzyme. He was immediately brought to the hospital, where Dr. injected substrate B intravenously to minimize the toxic effect of compound A. His life was saved from serious damage. The treatment method shows that compound A was a ————— inhibitor.
  2. If a molecule can bind to another site of the enzyme rather than the true active site, it is referred to as
  3. A non-protein part essential for proper and essential functioning of an enzyme is called
  4. The temperature that promotes the maximum activity of an enzyme is referred to as
  5. The covalent bond formed between two monosaccharides is called
  6. The bond formed between glucose and fructose to form sucrose is —————- linkage:
  7. Carbohydrates are organic molecules and contain three elements
  8. Which ones are intermediates in respiration and photosynthesis both?
  9. ————— is the most abundant carbohydrate in nature
  10. Which of the following is a keto sugar?
  11. The compounds which, on hydrolysis, yield polyhydroxy aldehyde or ketone subunits are
  12. Which one of the following is the formula structure of D ($\alpha$) glucose?
  13. In an amino acid in which the R-group is hydrogen, the amino acid will be
  14. Cellulose of wood, cotton, and paper is an example of
  15. The main constituents of cell walls in plants, algae, fungi, and eukaryotic microorganisms are
  16. Carbohydrates are composed of
  17. In simple carbohydrates, the ratio of hydrogen and oxygen is the same as in
  18. The most common respiratory substance as a source of energy is
  19. The simplest monosaccharide containing a keto group is
  20. Monosaccharides are major components of
Biological Molecules Practice Questions with Answers

Try Circulatory and Respiratory Systems Quiz

MDCAT Physics MCQs: Measurements and Units Quiz 2

by

Test your entry test prep with 20 high-yield MDCAT Physics MCQs on Measurements. Master SI units, dimensional analysis, percentage errors, significant figures, unit conversions, uncertainties, dimensions, and instrument readings today! Let us start with the online MDCAT Physics MCQs now

QUIZ START

MDCAT Physics MCQS: Measurements and Units Quiz with Answers

  1. Identify the pair that has different dimensions
  2. The dimension of $\frac{1}{\sqrt{\mu \varepsilon}}$ is that of
  3. Which property of a solid object cannot be changed by the application of force?
  4. Out of the following quantities, which one has dimensions different from the remaining three
  5. If $v$ denotes the potential difference across the plates of a capacitor of capacitance $c$, the dimensions of $CV^2$ are
  6. Absolute uncertainty in a measurement depends upon
  7. Which of the following is dimensionally correct?
  8. Which of the following systems of units is not based on units of mass, length, and time alone?
  9. Which does not have the same unit as the others
  10. Length cannot be measured by
  11. The SI unit of gravitational potential is
  12. Dyne/ cm$^2$ is not a unit of
  13. Which of the following is a derived unit
  14. Which of the following is not a correct representation method for prefixes?
  15. What is the SI unit of permeability?
  16. What is the reading shown on this milliammeter?
  17. The velocity of a particle depends upon $v=a+bt+ct^2$; if the velocity is in m/ sec, the unit of $a$ will be
  18. The product of energy and time is dimensionally the same as the product of
  19. If 97.52 is divided by 2.54, the correct result in terms of significant figures is
  20. The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in the measurement of force and length are respectively 4% and 2%, the maximum error in the measurement of pressure is
MDCAT Physics MCQs: Measurements and Units Quiz

Try General Science Quiz

MDCAT Biology Cell Structure MCQs 7

by

Practice 20 high-yield MDCAT Biology Cell Structure MCQs with detailed concepts. Master PMDC topics including cell organelles, Golgi complex, mitochondrial cristae, and microscope magnification calculations. Let us start with the online MDCAT Biology Cell Structure MCQs now

QUIZ START

MDCAT Biology Cell Structure MCQs with Answers

  1. In which of the following is the greatest amount of Deoxyribonucleic acid (DNA) found?
  2. Which of the following statements best describes the fluid mosaic model of the plasma membrane?
  3. Which of the following is/are energy-consuming process(s)?
  4. Which of the following plasma membranes does not have a transport function?
  5. Which of the following is the function of SER?
  6. Golgi apparatus is practically important in
  7. An important function of the Golgi apparatus is the formation of
  8. If 15 $\mu m$ size objects are observed under a light microscope using 5x eyepieces and 10x objective, their magnified image size will be
  9. The ability to distinguish between two separate points/ objects is
  10. The membrane of the ER is
  11. The structure present in a eukaryotic cell but absent in prokaryotic cells is
  12. Among followings which cellular organelle contains circular DNA similar to that found in bacteria?
  13. Membranous units forming a series of continuous and discontinuous cavities in the cell are called
  14. RNA is absent in
  15. The space between the outer and inner mitochondrial membranes is
  16. The inner mitochondrial membrane is compartmentalized into numerous cristae, which
  17. The cisternae break up into vesicles from ——————– of the Golgi complex.
  18. Which organelle is non-membrane-bound and has its subunits assembled inside the nucleolus?
  19. According to the fluid mosaic model, which molecule acts as a “temperature buffer” to regulate cell membrane fluidity in animal cells?
  20. Which of the following organelles contains circular DNA and 70S ribosomes, enabling it to synthesize some of its own proteins?
MDCAT Biology Cell Structure MCQs

Online Zoology MCQs Tests

MDCAT Cell Biology MCQs 6: Cell Structure & Function

by

Master MDCAT Cell Biology MCQs with 20 essential practice MCQs covering the fluid mosaic model, organelle functions, active transport, and cell membrane mechanisms. Perfect for PMDC MDCAT preparation. Let us start with online MDCAT CELL Biology MCQs:

QUIZ START

Online MDCAT CELL Biology MCQS Test with Answers

  • The attachment of ribosomal subunits is controlled by —————— ions
  • According to the fluid mosaic model of the cell membrane
  • Each cell of a frog contains autosomes
  • The nucleus is only visible when the cell is in —————— stage.
  • The free ribosomes of the mitochondria are present in its
  • Two functions of a rough endoplasmic reticulum are to
  • An organelle composed of membranous tubules that synthesizes testosterone is the
  • Prokaryotic cells are different from eukaryotic cells in that prokaryotic cells lack
  • Substances cross the cell membrane more easily when they are
  • Which of the following properties is incorrect for both mitochondria and chloroplasts?
  • Eukaryotic cells are more efficient than prokaryotes because of their internal compartmentalization.
  • Passage through pores in the nuclear envelope is restricted primarily to
  • Which of the following is also called bulk transport
  • Extranuclear DNA is found in
  • According to the fluid mosaic model, the plasma membrane presents
  • What is the most important difference between active and passive cell transport?
  • Which of the following statements best describes the fluid mosaic model of the plasma membrane
  • Which of the following cell organelles produces secretory vesicles?
  • Which of the following moves material against a concentration gradient?
  • What is the sequence of organelles that a secreted protein would have passed through on its journey out of the cell?
MDCAT Cell Biology MCQs

Online Zoology MCQs Test