MCQ Bank
Pathogenic strains increase______________ of GMOs
- A) Resistance
- B) Half-life
- C) Production
- D) Virulence
Restriction enzymes
- A) All of the above
- B) Protect bacteria from viral infection
- C) cut DNA in a staggered fashion
- D) cut DNAs producing a blunt end
Emergency services include ______________
- A) Emergency equipment
- B) First aid
- C) All given
- D) Adress/Phone numbers
In order to insert a foreign gene into a plasmid, both must
- A) be cut by the same restriction enzyme
- B) have identical DNA sequence
- C) be of the same length
- D) originate from the same type of cell
In vacuum line protection_____________ prevent the passage of microbes
- A) Chemicals
- B) Autoclave
- C) Radiations
- D) Filters
Material Safety Data Sheets provide information about
- A) All of the above
- B) Emergency information
- C) Hazards about a specific chemical
- D) Information on chemical reactions
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