MCQ Bank
On the multi-colored chemical label, White represents
- A) Fire Hazard
- B) Reactivity Hazard
- C) Health Hazard
- D) Special Hazards
In vacuum line protection flask contain the _____________
- A) Chlorine
- B) Formaldehyde
- C) Ethanol
- D) Disinfectants
A set standards used to regulate own or community activity in relation to biological world is
- A) Biopiracy
- B) Biopotency
- C) Bioethics
- D) Biowar
__________ is factor which control noise
- A) lab equipment
- B) Specify areas
- C) Medical monitoring program
- D) Noise measurement surveys
When diluting an acid with water, always remember to
- A) Add both at the same time
- B) Pour water into acid
- C) Doesn’t matter
- D) Pour acid into water
Restriction enzymes are named for
- A) the viral DNA that they attack
- B) the bacterium they are derived from
- C) the person who discovered
- D) none of the above
Chemical, reagents or broth cultures should be pipetted by ___________?
- A) ear
- B) mouth
- C) nose
- D) pipette
Gamma rays are produced by:
- A) Both A and C
- B) Bremstrahlung
- C) K shell disintegration
- D) Radioactive atoms
Restriction enzymes are also called as?
- A) Molecular scalpels
- B) Biological scissors
- C) All of the above
- D) Molecular knives
Equipment included in the protection of eyes and face are _________
- A) contact lenses
- B) Mask
- C) Goggles
- D) All given
If equipment are unnecessarily switched on this will lead to __________
- A) Electric current
- B) All given
- C) Heating
- D) Fire
Some of the most common effects of ionizing radiation are:
- A) Alteration of membrane permeability
- B) Chromosome aberrations
- C) Inhibition of cell division
- D) All of the above
When radiation interacts with a cell wall or DNA:
- A) The cell becomes energized
- B) The radiation shifts to a different waveform
- C) The cell either dies or becomes a different kind of cell such as a cancer cell
- D) The cell becomes radioactive
Which of the following involves preventing the accidental transmission of disease in the laboratory?
- A) All of the above
- B) Biosecurity
- C) Bioethics
- D) Biosafety
On the multi-colored chemical label, Blue represents
- A) Health Hazard
- B) None of the above
- C) Personal Protective Equipment
- D) Reactivity Hazard
If a person ingested a hazardous material then ____________ is first step should be taken in this emergency
- A) Identification of Ingested material
- B) Complete record
- C) Removal of ingested material
- D) Treatment
Spills of Chemicals should be
- A) Reported immediately
- B) Cleaned up by trained employees
- C) Prevented by using seal containers
- D) All of the above
When working in the laboratory with chemicals, what personal protective equipment (PPE) should be worn atall time?
- A) Always wear goggles and lab coats. Gloves should also be worn when needed
- B) None of the above
- C) Wear a lab coat only
- D) Goggles only
What are the two primary organs of the human anatomy affected by laser beams?
- A) Skin
- B) Eyes
- C) Both a and c
- D) Lungs
The DNA molecule to which gene of interest is integrated for cloning is called
- A) None of these
- B) Vector
- C) Transformer
- D) Carrier