Which of the following are not used
Question: Which of the following are not used as food preservatives? (i) Table salt (ii) Sodium hydrogen carbonate (iii) Cane sugar (iv) Benzoic acid Solution: Option (ii) and (iii) are the answers....
Read More →Which of the following statements are incorrect
Question: Which of the following statements are incorrect about receptor proteins? (i) Majority of receptor proteins are embedded in the cell membranes. (ii) The active site of receptor proteins opens on the inside region of the cell. (iii) Chemical messengers are received at the binding sites of receptor proteins. (iv) The shape of the receptor doesnt change during attachment of the messenger. Solution: Option (ii) and (iv) are the answers....
Read More →Which of the following will not enhance
Question: Which of the following will not enhance the nutritional value of food? (i) Minerals (ii) Artificial sweeteners (iii) Vitamins (iv) Aminoacids Solution: Option (ii)Artificial sweetenersis the answer....
Read More →Which of the following chemicals can
Question: Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories? (i) Sucrose (ii) Glucose (iii) Aspartame (iv) Sucralose Solution: Option (iv)Sucraloseis the answer....
Read More →Which of the following statements is not true
Question: Which of the following statements is not true about enzyme inhibitors? (i) Inhibit the catalytic activity of the enzyme. (ii) Prevent the binding of substrate. (iii) Generally, a strong covalent bond is formed between an inhibitor and an enzyme. (iv) Inhibitors can be competitive or non-competitive. Solution: Option (iii)Generally, a strong covalent bond is formed between an inhibitor and an enzyme is the answer....
Read More →Find the principal value of each of the following :
Question: Find the principal value of each of the following : $\cos ^{-1} \frac{1}{2}+2 \sin ^{-1} \frac{1}{2}$ Solution: Putting the values of the inverse trigonometric terms $\frac{\pi}{3}+2 \times \frac{\pi}{6}$ $=\frac{\pi}{3}+\frac{\pi}{3}$ $=\frac{2 \pi}{3}$...
Read More →Which of the following is not a target
Question: Which of the following is not a target molecule for drug function in the body? (i) Carbohydrates (ii) Lipids (iii) Vitamins (iv) Proteins Solution: Option (iii)Vitamins is the answer....
Read More →Polyethyleneglycols are used in the preparation
Question: Polyethyleneglycols are used in the preparation of which type of detergents? (i) Cationic detergents (ii) Anionic detergents (iii) Non-ionic detergents (iv) Soaps Solution: Option (iii)Non-ionic detergentsis the answer....
Read More →Which of the following is an example
Question: Which of the following is an example of liquid dishwashing detergent? Solution: Option (ii) is the answer....
Read More →Glycerol is added to soap.
Question: Glycerol is added to soap. It functions ______________. (i) as a filler. (ii) to increase leathering. (iii) to prevent rapid drying. (iv) to make soap granules. Solution: Option (iii)to prevent rapid dryingis the answer....
Read More →Find the principal value of each of the following :
Question: Find the principal value of each of the following : $\sin \left(\sec ^{-1} x+\operatorname{cosec}^{-1} x\right)$ Solution: $\sin \left(\sec ^{-1} x+\operatorname{cosec}^{-1} x\right)=\sin \left(\frac{\pi}{2}\right)$ [Formula: $\sec ^{-1} x+\operatorname{cosec}^{-1} x=\frac{\pi}{2}$ ] Putting the value of $\sin \left(\frac{\pi}{2}\right)$ $=1$...
Read More →Which of the following enhances
Question: Which of the following enhances the leathering property of soap? (i) Sodium carbonate (ii) Sodium resinate (iii) Sodium stearate (iv) Trisodium phosphate Solution: Option (ii) is the answer....
Read More →Equanil is __________.
Question: Equanil is __________. (i) artificial sweetener (ii) tranquilizer (iii) antihistamine (iv) antifertility drug Solution: Option (ii)tranquilizeris the answer....
Read More →Find the principal value of each of the following :
Question: Find the principal value of each of the following : $\operatorname{cosec}\left(\sin ^{-1} x+\cos ^{-1} x\right)$ Solution: $\operatorname{cosec}\left(\sin ^{-1} x+\cos ^{-1} x\right)=\operatorname{cosec} \frac{\pi}{2}\left[\right.$ Formula: $\left.\sin ^{-1} x+\cos ^{-1} x=\frac{\pi}{2}\right]$ Putting the value of $\operatorname{cosec} \frac{\pi}{2}$ $=1$...
Read More →Compound which is added to soap to impart
Question: Compound which is added to soap to impart antiseptic properties is __________. (i) sodium laurylsulphate (ii) sodium dodecylbenzenesulphonate (iii) rosin (iv) bithional Solution: Option (iv)bithional is the answer....
Read More →The compound that causes general
Question: The compound that causes general antidepressant action on the central nervous system belongs to the class of _____________. (i) analgesics (ii) tranquillizers (iii) narcotic analgesics (iv) antihistamines Solution: Option (ii)tranquillizers is the answer....
Read More →Find the principal value of each of the following :
Question: Find the principal value of each of the following : $\cot \left(\tan ^{-1} x+\cot ^{-1} x\right)$ Solution: $\cot \left(\tan ^{-1} x+\cot ^{-1} x\right)=\cot \left(\frac{\pi}{2}\right)\left[\right.$ Formula: $\left.\tan ^{-1} x+\cot ^{-1} x=\frac{\pi}{2}\right]$ Putting value of $\cot \left(\frac{\pi}{2}\right)$ $=0$...
Read More →A narrow-spectrum antibiotic
Question: A narrow-spectrum antibiotic is active against _______________. (i) gram-positive or gram-negative bacteria. (ii) gram-negative bacteria only. (iii) single organism or one disease. (iv) both gram-positive and gram-negative bacteria. Solution: Option (i)gram-positive or gram-negative bacteriais the answer....
Read More →Salvarsan is an arsenic-containing drug
Question: Salvarsan is an arsenic-containing drug which was first used for the treatment of ____________. (i) syphilis (ii) typhoid (iii) meningitis (iv) dysentery Solution: Option (i) is the answer....
Read More →Find the principal value of each of the following :
Question: Find the principal value of each of the following : $\sin \left\{\frac{\pi}{3}-\sin ^{-1}\left(\frac{-1}{2}\right)\right\}$ Solution: $\sin \left\{\frac{\pi}{3}-\sin ^{-1}\left(\frac{-1}{2}\right)\right\}\left[\right.$ Formula: $\left.\sin ^{-1}(-x)=-\sin ^{-1} x\right]$ $=\sin \left\{\frac{\pi}{3}-\left(-\sin ^{-1} \frac{1}{2}\right)\right\}$ $=\sin \left\{\frac{\pi}{3}+\sin ^{-1}\left(\frac{1}{2}\right)\right\}$ Putting value of $\sin ^{-1}\left(\frac{1}{2}\right)$ $=\sin \left\{\fra...
Read More →Which of the following statements is correct?
Question: Which of the following statements is correct? (i) Some tranquilisers function by inhibiting the enzymes which catalyse the degradation of noradrenaline. (ii) Tranquilisers are narcotic drugs. (iii) Tranquillizers are chemical compounds that do not affect the message transfer from nerve to the receptor. (iv) Tranquilisers are chemical compounds that can relieve pain and fever Solution: Option (i)Some tranquilisers function by inhibiting the enzymes which catalyse the degradation of nora...
Read More →The most useful classification of drugs
Question: The most useful classification of drugs for medicinal chemists is _________. (i) based on chemical structure. (ii) on the basis of drug action. (iii) on the basis of molecular targets. (iv) on the basis of the pharmacological effect. Solution: Option (iii)on the basis of molecular targets is the answer....
Read More →Which statement about aspirin is not true
Question: Which statement about aspirin is not true (i) Aspirin belongs to narcotic analgesics. (ii) It is effective in relieving pain. (iii) It has an anti-blood-clotting action. (iv) It is a neurologically active drug. Solution: Option (i) is the answer....
Read More →Which is the correct statement about
Question: Which is the correct statement about birth control pills? (i) Contain estrogen only. (ii) Contain progesterone only. (iii) Contain a mixture of estrogen and progesterone derivatives. (iv) Progesterone enhances ovulation. Solution: Option (iii)Contain a mixture of estrogen and progesterone derivativesis the answer....
Read More →Which of the following statements is not correct.
Question: Which of the following statements is not correct. (i) Some antiseptics can be added to soaps. (ii) Dilute solutions of some disinfectants can be used as antiseptic. (iii) Disinfectants are antimicrobial drugs. (iv) Antiseptic medicines can be ingested. Solution: Option (iv)Antiseptic medicines can be ingestedis the answer....
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