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