1.
\[\xrightarrow{C{{H}_{3}}COCl,\,Py}X\xrightarrow{KMn{{O}_{4}}}Y\]
The final product $$'Y'$$ is medicine. Which of the following is incorrect regarding $$'Y'?$$
A
It has analgesic as well as antipyretic properties.
B
It helps to prevent heart attacks.
C
It has anti-blood clotting action.
D
It suppresses the gastric anomalies.
Answer :
It suppresses the gastric anomalies.
2. Which of the following statements is not true about enzyme inhibitors?
A
They inhibit the catalytic activity of the enzyme.
B
They prevent the binding of substrate.
C
Generally a strong covalent bond is formed between an inhibitor and an enzyme.
D
Inhibitors can be competitive or non-competitive.
Answer :
Generally a strong covalent bond is formed between an inhibitor and an enzyme.
3. A drug which acts as antipyretic as well as analgesic is
A
chloroquine
B
penicillin
C
chlordiazepoxide
D
4-acetamidophenol
Answer :
4-acetamidophenol
4. Which of the following statements is not correct about penicillin?
A
Penicillin $$G$$ has a narrow spectrum.
B
It is extracted from antibacterial fungus Penicillium.
C
Ampicillin and amoxycillin are synthetic modifications of penicillins.
D
It has bacteriostatic effect.
Answer :
It has bacteriostatic effect.
5. The formulation of dettol contains
A
chloroxylenol
B
terpineol
C
alcohol
D
All of these
Answer :
All of these
6. Which one of the following is used as Antihistamine ?
A
Omeprazole
B
Chloranphenicol
C
Diphenhydramine
D
Norethindrone
Answer :
Diphenhydramine
7. Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statements is not true :
A
Chlorine and iodine are used as strong disinfectants.
B
Dilute solutions of boric acid and hydrogen Peroxide are strong antiseptics.
C
Disinfectants harm the living tissues.
D
A $$0.2\% $$ solution of phenol is an antiseptic while $$1\% $$ solution acts as a disinfectant.
Answer :
Dilute solutions of boric acid and hydrogen Peroxide are strong antiseptics.
8. Which of the following sets of reactants is used for the preparation of paracetamol from phenol?
A
$$HN{O_3},{H_2}/Pd,{\left( {C{H_3}CO} \right)_2}O$$
B
$${H_2}S{O_4},{H_2}/Pd,{\left( {C{H_3}CO} \right)_2}O$$
C
$${C_6}{H_5}{N_2}Cl,SnC{l_2}/HCl,{\left( {C{H_3}CO} \right)_2}O$$
D
$$B{r_2}/{H_2}O,Zn/HCl,{\left( {C{H_3}CO} \right)_2}O$$
Answer :
$$HN{O_3},{H_2}/Pd,{\left( {C{H_3}CO} \right)_2}O$$
9. Barbituric acid and its derivatives are well known as
A
tranquilizers
B
antiseptics
C
analgesics
D
antipyretics
Answer :
tranquilizers
10. Which of the following is a sink for $$CO ?$$
A
Haemoglobin
B
Microorganisms present in the soil
C
Oceans
D
Plants
Answer :
Microorganisms present in the soil