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MCQOPTIONS
This section includes 11242 Mcqs, each offering curated multiple-choice questions to sharpen your Joint Entrance Exam - Main (JEE Main) knowledge and support exam preparation. Choose a topic below to get started.
| 6501. |
The use of chemicals for treatment of diseases is called as [Kerala PMT 2002] |
| A. | Homoeotherapy |
| B. | Isothermotherapy |
| C. | Angiotherapy |
| D. | Physiotherapy |
| E. | Chemotherapy |
| Answer» F. | |
| 6502. |
An ester used as medicine is [KCET 2002] |
| A. | Ethyl acetate |
| B. | Methyl acetate |
| C. | Methyl salicylate |
| D. | Ethyl benzoate |
| Answer» D. Ethyl benzoate | |
| 6503. |
The correct structure of the drug paracetamol is [DCE 2001] |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 6504. |
The following compound is used as [Kurukshetra CET 1996; AIEEE 2002] |
| A. | An anti-inflammatory compound |
| B. | Analgesic |
| C. | Hypnotic |
| D. | Antiseptic |
| Answer» C. Hypnotic | |
| 6505. |
Which is correct about saccharin |
| A. | It is |
| B. | It is 600 times sweeter than sugar |
| C. | It is used as sweetening agent |
| D. | All of these |
| Answer» E. | |
| 6506. |
Which is correct about vanillin |
| A. | A flavouring agent having vanila flavour |
| B. | o-hydroxy-m-methoxy benzaldehyde |
| C. | A food additive |
| D. | All of these |
| Answer» E. | |
| 6507. |
Which of the following is not a chlorinated insecticide |
| A. | DDT |
| B. | Methoxychlor |
| C. | Parathion |
| D. | BHC |
| Answer» D. BHC | |
| 6508. |
Veronal, a barbiturate drug is used as |
| A. | Anaesthetic |
| B. | Sedative |
| C. | Antiseptic |
| D. | None of these |
| Answer» C. Antiseptic | |
| 6509. |
The insecticide containing 99% \[\gamma -\]isomer of benzene hexachloride is known as |
| A. | Lindane |
| B. | TNT |
| C. | Malathion |
| D. | Methoxychlor |
| Answer» B. TNT | |
| 6510. |
Various phenol derivatives, tincture of iodine (2? 3% I2 in water / alcohol) and some dyes like methylene blue are |
| A. | Antiseptics |
| B. | Disinfectants |
| C. | Analgesics |
| D. | Antipyretics |
| Answer» B. Disinfectants | |
| 6511. |
Bithional is an example of |
| A. | Disinfectant |
| B. | Antiseptic |
| C. | Antibiotic |
| D. | Analgesic |
| Answer» B. Antiseptic | |
| 6512. |
?Placedo? is often given to patients. It is |
| A. | An antidepressant |
| B. | A broad spectrum antibiotic |
| C. | A sugar pill |
| D. | A tonic |
| Answer» D. A tonic | |
| 6513. |
An antibiotic contains nitro group attached to aromatic nucleus. It is |
| A. | Penicillin |
| B. | Streptomycin |
| C. | Tetracycline |
| D. | Chloramphenicol |
| Answer» E. | |
| 6514. |
Which one is communicable disease |
| A. | Scurvy |
| B. | Diabetes |
| C. | Beri-Beri |
| D. | Chollera |
| Answer» E. | |
| 6515. |
The substances which effect the central nervous system and induce sleep are called |
| A. | Tranquillizers |
| B. | Antipyretics |
| C. | Analgesics |
| D. | None of these |
| Answer» B. Antipyretics | |
| 6516. |
An example of a psychedelic agent is [BHU 1986] |
| A. | DNA |
| B. | LSD |
| C. | DDT |
| D. | TNT |
| Answer» C. DDT | |
| 6517. |
Arsenic drugs are mainly used in the treatment of [AIIMS 1992] |
| A. | Jaundice |
| B. | Typhoid |
| C. | Syphilis |
| D. | Cholera |
| Answer» D. Cholera | |
| 6518. |
Hydrazine as a drug is also used in the treatment of |
| A. | Typhoid |
| B. | Cholera |
| C. | Malaria |
| D. | Tuberculosis |
| Answer» E. | |
| 6519. |
A large number of antibiotics have been isolated from |
| A. | Bacteria actinomycetes |
| B. | Acids |
| C. | Alkanals |
| D. | Bacteria rhizobium |
| Answer» B. Acids | |
| 6520. |
Substance used for bringing down temperature in high fever are called [DCE 2002; AIEEE 2005] |
| A. | Pyretics |
| B. | Antipyretics |
| C. | Antibiotics |
| D. | Antiseptics |
| Answer» C. Antibiotics | |
| 6521. |
Which of the following is not antibiotic |
| A. | Tetracyclin |
| B. | Neomycin |
| C. | Carbomycin |
| D. | Cyclohexane |
| Answer» E. | |
| 6522. |
Which of the following is an alkaloid |
| A. | Nicotine |
| B. | Piperine |
| C. | Coniine |
| D. | All of these |
| Answer» E. | |
| 6523. |
Which one is a bacterial disease |
| A. | Amoebic dysentery |
| B. | Gonorrhoea |
| C. | Cholera |
| D. | Mumps |
| Answer» D. Mumps | |
| 6524. |
Measles is a disease which belongs to the category of |
| A. | Bacterial disease |
| B. | Viral disease |
| C. | Veneral disease |
| D. | Protozoan disease |
| Answer» C. Veneral disease | |
| 6525. |
Interferon is ? Connected with |
| A. | Tonic |
| B. | Virus |
| C. | Carbohydrate |
| D. | Ore of iron |
| Answer» C. Carbohydrate | |
| 6526. |
The first viral disease detected in human being was |
| A. | Cold |
| B. | Influenza |
| C. | Small pox |
| D. | Yellow fever |
| Answer» E. | |
| 6527. |
Heroin is a derivative of |
| A. | Cocaine |
| B. | Morphine |
| C. | Caffeine |
| D. | Nicotine |
| Answer» C. Caffeine | |
| 6528. |
Which of the following is a hallucinogenic drug |
| A. | Methedrine |
| B. | Calmpose |
| C. | LSD |
| D. | Seconal |
| Answer» D. Seconal | |
| 6529. |
Salol can be used as |
| A. | Antiseptic |
| B. | Antipyretic |
| C. | Analgesic |
| D. | None of these |
| Answer» B. Antipyretic | |
| 6530. |
Aspirin is obtained by the reaction of \[C{{H}_{3}}COCl\] with |
| A. | Phenol |
| B. | Benzoic acid |
| C. | Salicylic acid |
| D. | Benzaldehyde |
| Answer» D. Benzaldehyde | |
| 6531. |
Penicillin was first discovered by |
| A. | A. Fleming |
| B. | Tence and Salke |
| C. | S.A. Waksna |
| D. | Lewis Pasteur |
| Answer» B. Tence and Salke | |
| 6532. |
A drug effective in the treatment of pneumonia, bronchitis, etc, is |
| A. | Streptomycin |
| B. | Chloramphenicol |
| C. | Penicillin |
| D. | Sulphaguanidine |
| Answer» D. Sulphaguanidine | |
| 6533. |
Which is used for sterilization of water in water supply system of cities |
| A. | Chlorine |
| B. | Sulphurdioxide |
| C. | Potassium permanganate |
| D. | DDT |
| Answer» B. Sulphurdioxide | |
| 6534. |
Which of the following is not an antiseptic drug |
| A. | Iodoform |
| B. | Dettol |
| C. | Gammexane |
| D. | Genatian violet |
| Answer» D. Genatian violet | |
| 6535. |
Streptomycin is effective in the treatment of |
| A. | Tuberculosis |
| B. | Malaria |
| C. | Typhoid |
| D. | Cholera |
| Answer» B. Malaria | |
| 6536. |
Chloramine-T is a |
| A. | Disinfectant |
| B. | Antiseptic |
| C. | Analgesic |
| D. | Antipyretic |
| Answer» C. Analgesic | |
| 6537. |
The drug used as an antidepressant is [BHU 1986, 87] |
| A. | Luminol |
| B. | Tofranil |
| C. | Mescaline |
| D. | Sulphadiazine |
| Answer» C. Mescaline | |
| 6538. |
An antipyretic is [BHU 1986; CET 1998] |
| A. | Quinine |
| B. | Paracetamol |
| C. | Luminal |
| D. | Piperazine |
| Answer» C. Luminal | |
| 6539. |
Which of the following is a hypnotic drug |
| A. | Luminal |
| B. | Salol |
| C. | Catechol |
| D. | Chemisol |
| Answer» B. Salol | |
| 6540. |
Which of the following drugs is a tranquilizer and sedative |
| A. | Sulphadiazine |
| B. | Papaverine |
| C. | Equanil |
| D. | Mescaline |
| Answer» D. Mescaline | |
| 6541. |
Aspirin is [AMU (Aligarh) 1985, BHU 1998, 2005] |
| A. | Antibiotic |
| B. | Antipyretic |
| C. | Sedative |
| D. | Psychedelic |
| Answer» C. Sedative | |
| 6542. |
An antibiotic with a broad spectrum [AFMC 2001] |
| A. | Kills the antibodies |
| B. | Acts on a specific antigen |
| C. | Acts on different antigens |
| D. | Acts on both the antigens and antibodies |
| Answer» D. Acts on both the antigens and antibodies | |
| 6543. |
The density of neutrons is of the order [NCERT 1980] |
| A. | \[{{10}^{3}}kg/cc\] |
| B. | \[{{10}^{6}}kg/cc\] |
| C. | \[{{10}^{9}}kg/cc\] |
| D. | \[{{10}^{11}}kg/cc\] |
| Answer» E. | |
| 6544. |
Who discovered neutron [IIT 1982; BITS 1988;CPMT 1977; NCERT 1974; MP PMT 1992; MP PET 2002] |
| A. | James Chadwick |
| B. | William Crooks |
| C. | J.J. Thomson |
| D. | Rutherford |
| Answer» B. William Crooks | |
| 6545. |
Magnitude of K.E. in an orbit is equal to [BCECE 2005] |
| A. | Half of the potential energy |
| B. | Twice of the potential energy |
| C. | One fourth of the potential energy |
| D. | None of these |
| Answer» B. Twice of the potential energy | |
| 6546. |
The electron is [DPMT 1982; MADT Bihar 1980] |
| A. | \[\alpha \]-ray particle |
| B. | \[\beta \]-ray particle |
| C. | Hydrogen ion |
| D. | Positron |
| Answer» C. Hydrogen ion | |
| 6547. |
What is the ratio of mass of an electron to the mass of a proton [UPSEAT 2004] |
| A. | 1 : 2 |
| B. | 1 : 1 |
| C. | 1 : 1837 |
| D. | 1 : 3 |
| Answer» D. 1 : 3 | |
| 6548. |
Which of the following has the same mass as that of an electron [AFMC 2002] |
| A. | Photon |
| B. | Neutron |
| C. | Positron |
| D. | Proton |
| Answer» D. Proton | |
| 6549. |
Positive ions are formed from the neutral atom by the [CPMT 1976] |
| A. | Increase of nuclear charge |
| B. | Gain of protons |
| C. | Loss of electrons |
| D. | Loss of protons |
| Answer» D. Loss of protons | |
| 6550. |
Splitting of signals is caused by [Pb. PMT 2000] |
| A. | Proton |
| B. | Neutron |
| C. | Positron |
| D. | Electron |
| Answer» B. Neutron | |