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

Which statement is true for lab coats _____________

• A) Deposit for laundry/ should not be taken home
• B) Prevent personal clothing
• C) All given
• D) Remove-leaving for non-laboratory areas

A person qualified to perform electrical work must possess:

• A) All of the above
• B) Knowledge on the use of PPE, insulating and shielding materials, and insulated tools.
• C) Skills and techniques to determine the nominal voltage of exposed live parts
• D) Skills/techniques to distinguish live parts from other parts of electrical equipment