Competitive Exams: Pharmacy MCQs (Practice-Test 24 of 29)

  1. The mechanism of sterilization by hot air is

    1. protein denaturation

    2. oxidation

    3. plasmolysis

    4. destruction of DNA

  2. Major causes of tailing and memory effects in adsorption chromatography is

    1. insufficient deactivation of silica or alumina

    2. over activation of silica or alumina

    3. insufficient flow rate of mobile phase

    4. over activation of flow rate of mobile phase

  3. Aerobic respiration causes generation of

    1. 36

    2. 38

    3. 2

    4. variable

  4. Ames test uses as carcinogen indicator

    1. viruses

    2. fungi

    3. chlamydia

    4. bacteria

  5. Bt cotton are resistant to infections of insects because of _________ genes from bacillus thuringiensis

    1. antisens

    2. toxin producing

    3. cellulose degrading

    4. nonsense

  6. Beta carboline ring system is present in

    1. emetine alkaloid

    2. cortisone acetate

    3. deserpidine molecule

    4. atropine alkaloid

  7. Benzodiazepines potentiate

    1. the binding of protein to nervous tissue

    2. the binding of gaba to liver

    3. the binding of gaba to receptors

    4. the binding of gaba to carbohydrates

  8. Secobarbital is __________ drug

    1. schedule g

    2. schedule h

    3. schedule q

    4. schedule x

  9. Urea condenses with benzil to produce

    1. Hydantoin

    2. phenytoin

    3. paramethadione

    4. phensuximide

  10. Hepatitis virus is

    1. single stranded DNA

    2. single stranded RNA

    3. double stranded RNA

    4. double stranded DNA

  11. Most bacteria of medical importance are

    1. obligate aerobes

    2. obligate anaerobes

    3. facultative aerobes

    4. facultative anaerobes

  12. Which one of the following bacillus cannot be grown in culture media

    1. mycobacterium tuberculosis

    2. mycobacterium leprae

    3. bacillus anthrax

    4. salmonella typhi

  13. Which of the following is best indicator of faecal pollution of water

    1. chandler's index

    2. coliferm count

    3. fecal streptococi count

    4. clostridium perstringes count

  14. Jaswant singh and bhattacharji stain is a rapid method of staining

    1. malaria parasite

    2. filaria parasite

    3. babesia

    4. any hemoflagellate

  15. Which one of the following herbals exhibits the least effect on blood coagulation

    1. echinacea

    2. garlic

    3. ginseng

    4. gingko