Biology
A preparation consisting of weakened or dead germ substances is:
- Toxins
- Antitoxins
- Toxoids
- Vaccines
Related Questions
Bacteria are referred to as prokaryotes because:
- They have no chlorophyll
- They are unicellular
- They are free living-
- They do not have a well defined nucleus enclosed in a nuclear membrane.
Which of the following diseases can be prevented by TAB?
- Tuberculosis
- Typhoid
- Tetanus
- Taeniasis
Name the following:
(a) The locomotory structure of a bacterium that enables it to swim.
(b) The process of flavouring tea by certain bacteria.
(c) The process of making leather from the animals skin.
(d) Bacterial disease of mustard.
(e) The scientist who discovered the antibiotic streptomycin.
Match the items in Column A with those in Column B
Column A Column B Penicillium Bacteria occurring in chains. Diplococci Antibiotic. Streptococci Bacteria occurring in pairs.