MCQ Bank
__________ is used in laboratories to measure beta or alpha radiations.
- A) PEM
- B) None of these
- C) Proportional Counter
- D) Ionization Chambers
Unlike alpha and beta particles, _________ do not interact with electrons or cause ionization directly.
- A) Positron
- B) Proton
- C) Neutron
- D) Gamma particles
-------is the process in which cells absorb molecules by engulfing them.
- A) Endocytosis
- B) Phagocytosis
- C) Pinocytosis
- D) ALL
Sharks are the most electrically sensitive animals known, responding to DC fields as low as __________nV/cm.
- A) 20
- B) 5
- C) 10
- D) 15
An -----------is a system that freely exchanges energy and matter with its surroundings.
- A) Closed System
- B) Open System
- C) Isolated System
- D) Free System
________is the use of sound waves and echoes to determine where objects are in space.
- A) Echolocation
- B) Frequency
- C) Sound
- D) Light
Reactions that have a negative AG release free energy and are called----------
- A) Nonsontaneous reactions
- B) Exergonic reactions
- C) Endergonic reactions
- D) ALL
In almost all practical electro-dialysis processes, multiple electro-dialysis cells are arranged into a configuration called an____________, with alternating anion and cation exchange membranes forming the multiple electro-dialysis cells.
- A) Electro-dialysis stack
- B) Electro-dialysis flame
- C) Electro-dialysis ground
- D) Electro-dialysis Disc
Electrophysiology study is also known as ?
- A) ECG
- B) PE Test
- C) EP Test
- D) EEG
________ is widely used for medical diagnosis and therapy.
- A) DNA Test
- B) Radiation
- C) RNA test
- D) Fermentation
Biophysicists discovered the DNA double helix in-----------
- A) 1953
- B) 2003
- C) 2017
- D) 1850
_____________ is the study of production, dispersion and reception of mechanical vibrations by animals.
- A) Bio-mechanics
- B) Biotremology
- C) Biotreminology
- D) None of these
Metallic bonding are the force of attraction between ---------------electrons and the metal atoms.
- A) Paired
- B) single
- C) Lone
- D) valence
Microbats generate ultrasound via the _________ and emit the sound through the open mouth or, much more rarely, the nose.
- A) Heart
- B) Liver
- C) Lungs
- D) Larynx
Freezing point of water in Fahrenheit is------------
- A) 23°F
- B) 32°F
- C) 31°F
- D) 10°F
Radiation arising from human activities typically accounts for about ________of public exposure.
- A) 10%
- B) 20%
- C) 30%
- D) 40%
The LDF is named after the German-American physicist?
- A) Fritz London
- B) Denim London
- C) Vander wall London
- D) Stoney London
Radiotherapy is the use of high-energy radiation to treat _______
- A) Skin Cells
- B) Liver Cells
- C) Cancer Cells
- D) Blood Cells
Biophysics discovers how atoms are arranged to work in-----------------
- A) Lipids
- B) RNA
- C) DNA & Proteins
- D) Ribosomes
________ are neutral particles that have no electric charge.
- A) Protons
- B) Atoms
- C) Neutrons
- D) None of these