Consider the following statements regarding bird flu:

Of the above statements, the correct are:

Aside from the irritant fibre of ..................., all carcinogens are thought to be ....................... .
1. arsenic, mutagenic
2. asbestos, virulent
3. asbestos, mutagenic
4. arsenic, virulent

In the RT-PCR test used for diagnosing Covid-19, a higher cycle threshold [Ct] value indicates:

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?
1. Valium
2. Morphine
3. Hashish
4. Amphetamines

Which of the following diseases is caused by a protozoan ?
1. Influenza
2. Babesiosis
3. Blastomycosis
4. Syphilis

The type of plague, primarily transmitted by the bite of rat flea, and characterized by infected, enlarged, and painful lymph nodes is called as:
1. Pneumonic plague
2. Bubonic plague
3. Septicemic plague
4. Any of the above three

If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidences?
1. Serum albumins
2. Haemocytes
3. Serum globulins
4. Fibrinogin in plasma