MCQOPTIONS
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MCQOPTIONS
This section includes 625 Mcqs, each offering curated multiple-choice questions to sharpen your GK knowledge and support exam preparation. Choose a topic below to get started.
| 551. |
What instrument is used to detect objects under water? |
| A. | Laser |
| B. | Radar |
| C. | Sonar |
| D. | Scuba |
| Answer» D. Scuba | |
| 552. |
Vaccination is to Disease as Maintenance is to |
| A. | Paint |
| B. | Breakdown |
| C. | Expense |
| D. | Oiling |
| Answer» C. Expense | |
| 553. |
What is the chemical composition of Red Lead? |
| A. | Pb3O4 |
| B. | Hgs |
| C. | Pbo |
| D. | Pbs |
| Answer» B. Hgs | |
| 554. |
What is the chemical formula of propanol? |
| A. | $$C_6H_6$$ |
| B. | $$C_2 H_5OH $$ |
| C. | $$C_3H_8O$$ |
| D. | $$C_2H_6$$ |
| Answer» D. $$C_2H_6$$ | |
| 555. |
Which law of Newton is also known as Galileo's Law? |
| A. | First law |
| B. | Second law |
| C. | Third law |
| D. | None |
| Answer» B. Second law | |
| 556. |
What is the smallest gland of the human body? |
| A. | Liver |
| B. | Pituitary Gland |
| C. | Pancreas |
| D. | Thyroid |
| Answer» C. Pancreas | |
| 557. |
Who developed Polio vaccine? |
| A. | Marie Curie |
| B. | Jonas Salk |
| C. | Louis Pasteur |
| D. | Alexander Fleming |
| Answer» C. Louis Pasteur | |
| 558. |
Which of the following is an aldehyde? |
| A. | Propanal |
| B. | Propanol |
| C. | Propine |
| D. | Propanone |
| Answer» B. Propanol | |
| 559. |
Who among the following received the Nobel Prize 2019 for Physics? |
| A. | James Peebles |
| B. | Michel Mayor |
| C. | Didier Queloz |
| D. | All are correct |
| Answer» E. | |
| 560. |
The oesophagus and lining of the mouth are also covered with |
| A. | Squamous epithelium |
| B. | Ciliated epithelium |
| C. | Columnar epithelium |
| D. | Glandular epithelium |
| Answer» B. Ciliated epithelium | |
| 561. |
Who has become the first deaf person to row an ocean by finishing a 3,000 - mile journey across the Atlantic? |
| A. | Missy Franklin |
| B. | Elizabeth Beisel |
| C. | Kathleen Baker |
| D. | Mo O'Brien |
| Answer» E. | |
| 562. |
Which of the following is the largest living bird? |
| A. | Eagle |
| B. | Peacock |
| C. | Ostrich |
| D. | Kiwi |
| Answer» E. | |
| 563. |
Clear nights are colder than cloudy nights because of |
| A. | conduction |
| B. | condensation |
| C. | radiation |
| D. | insolation |
| Answer» D. insolation | |
| 564. |
Which one of the following animals can hear ultrasonic sound? |
| A. | Rat |
| B. | Squirrel |
| C. | Cat |
| D. | Bat |
| Answer» E. | |
| 565. |
Literal meaning of the term " Home sapiens " is |
| A. | Man - The Wise |
| B. | Man - The supreme |
| C. | Man - the omnivore |
| D. | Man - the fool |
| Answer» B. Man - The supreme | |
| 566. |
What happens to the weight, when iron rusts? |
| A. | Weight increases |
| B. | Weight decreases |
| C. | Weight remains the same |
| D. | Weight first increases then decreases |
| Answer» E. | |
| 567. |
In which of the following fields Nobel Prize is not given? |
| A. | Physics |
| B. | Mathematics |
| C. | Chemistry |
| D. | Medicine |
| Answer» C. Chemistry | |
| 568. |
Who invented dynamite? |
| A. | Alfred Noble |
| B. | Antoine Lavoisier |
| C. | Marie Curie |
| D. | Thomas Edison |
| Answer» B. Antoine Lavoisier | |
| 569. |
Which among the following is used to dilute oxygen in the gas cylinders used by divers? |
| A. | Krypton |
| B. | Argon |
| C. | Helium |
| D. | Neon |
| Answer» D. Neon | |
| 570. |
Which one of the following does not form oxyacid? |
| A. | Sulphur |
| B. | Chlorine |
| C. | Nitrogen |
| D. | Fluorine |
| Answer» E. | |
| 571. |
The release of which of the following into ponds and wells helps in controlling mosquitoes? |
| A. | Snail |
| B. | Crab |
| C. | Dogfish |
| D. | Gambusia fish |
| Answer» E. | |
| 572. |
The ambient air is stable when the ambient lapse rate is |
| A. | Neutrally stable |
| B. | Hyper-adiabatic |
| C. | Sub-adiabatic |
| D. | Super-adiabatic |
| Answer» D. Super-adiabatic | |
| 573. |
Our eyes are able to detect light due to the presence of the which of the following receptor? |
| A. | Phonoreceptors |
| B. | Thigmoreceptors |
| C. | Photoreceptors |
| D. | Gustatoreceptors |
| Answer» D. Gustatoreceptors | |
| 574. |
Which among the following is an example of solid sol? |
| A. | Milk of magnesia |
| B. | Foam |
| C. | Coloured gemstones |
| D. | Rubber |
| Answer» D. Rubber | |
| 575. |
Which gas is present in biogas in large percentage? |
| A. | Moisture (H2O) |
| B. | Carbon dioxide (CO2) |
| C. | Methane (CH4) |
| D. | Hydrogen sulphide (H2S). |
| Answer» D. Hydrogen sulphide (H2S). | |
| 576. |
What is the common characteristic of the elements of the same group in the periodic table? |
| A. | Electrons in outer most shell |
| B. | Total number of electrons |
| C. | Total number of electrons |
| D. | Atomic weight |
| Answer» B. Total number of electrons | |
| 577. |
What is the scientific name of Banyan Tree? |
| A. | Mangifera indica |
| B. | Ficus benghalensis |
| C. | Azadirachta indica |
| D. | Shorea robusta |
| Answer» C. Azadirachta indica | |
| 578. |
The food substances which get oxidised easily can be kept for longer duration by adding |
| A. | oxygen and keeping them in sun for few days |
| B. | nitrogen and keeping them in sun for few days |
| C. | oxygen and keeping them in airtight containers |
| D. | nitrogen and keeping them in airtight containers |
| Answer» E. | |
| 579. |
What is white Phosphorus? |
| A. | P4 |
| B. | P |
| C. | O3 |
| D. | Pb |
| Answer» B. P | |
| 580. |
Light sensitive salts Metal is___. |
| A. | Zinc |
| B. | Silver |
| C. | Copper |
| D. | Aluminium |
| E. | Iron |
| Answer» C. Copper | |
| 581. |
Which of the following nature of light is proved by polarization property of light? |
| A. | Transverse wave nature |
| B. | Quantum nature |
| C. | Particle nature of light |
| D. | Longitudinal wave nature |
| Answer» B. Quantum nature | |
| 582. |
Which one of the following pairs is not correctly matched? |
| A. | IAA- Cell wall elongation |
| B. | Abscisic Acid- Stomatal closure |
| C. | Gibberellic Acid-leaf fall |
| D. | Cytokinin-Cell division |
| Answer» D. Cytokinin-Cell division | |
| 583. |
The joint of radius-ulna with upper arm is- |
| A. | Ball and socket joint |
| B. | Pivot joint |
| C. | Saddle joint |
| D. | Hinge joint |
| Answer» E. | |
| 584. |
The major component used in preparation of different types of glasses is : |
| A. | Sodium borate |
| B. | Sodium Silicate |
| C. | Silica |
| D. | Calcium Silicate |
| Answer» D. Calcium Silicate | |
| 585. |
The process of dissolving an acid or base is____. |
| A. | Exothermic |
| B. | Endothermic |
| C. | Both (a) or (B) |
| D. | None of these |
| Answer» B. Endothermic | |
| 586. |
Who is known as the father of evolution? |
| A. | Charles Babbage |
| B. | Adam Smith |
| C. | Charles Darwin |
| D. | Carolus Linnaeus |
| Answer» D. Carolus Linnaeus | |
| 587. |
Which of the following organelles are called the Protein factories of the cell? |
| A. | Mitochondria |
| B. | Lysosomes |
| C. | Chloroplasts |
| D. | Ribosomes |
| Answer» E. | |
| 588. |
In which city is the headquarters of international Atomic Energy Agency situated? |
| A. | New York |
| B. | Geneva |
| C. | Vienna |
| D. | Paris |
| Answer» D. Paris | |
| 589. |
The branch of study dealing with old age and aging is known as _. |
| A. | Gerontology |
| B. | Teratology |
| C. | Oncology |
| D. | Ornithology |
| Answer» B. Teratology | |
| 590. |
In which of the following the garden cultivation is studied? |
| A. | Botany |
| B. | Horticulture |
| C. | Geology |
| D. | Anatomy |
| Answer» C. Geology | |
| 591. |
Zero degree centigrade is equal to what degree Fahrenheit? |
| A. | 100 F |
| B. | 30 F |
| C. | 34 F |
| D. | 32 F |
| Answer» E. | |
| 592. |
Which planet spins the fastest? |
| A. | Mars |
| B. | Jupiter |
| C. | Mercury |
| D. | Venus |
| Answer» C. Mercury | |
| 593. |
Which is the principle of Learning Environment study? |
| A. | Principle of necessity |
| B. | Principle of utility |
| C. | Principle of relationship with life |
| D. | All of these |
| Answer» E. | |
| 594. |
What is the normal resting heart rate range for adults (beats/min)? |
| A. | 60 to 100 |
| B. | 50 to 80 |
| C. | 120 to 180 |
| D. | 75 to 120 |
| Answer» B. 50 to 80 | |
| 595. |
Which of the following is desirable aim of Science Education at Primary Level? |
| A. | To know the facts and principles of sciences and its applications. |
| B. | To nurture the natural curiosity, aesthetic sense and creativity in science and technology. |
| C. | To imbibe the values of honesty, integrity and co-operation. |
| D. | All of these |
| Answer» E. | |
| 596. |
The first Indian communication satellite was- |
| A. | Aryabhatta |
| B. | Bhaskara-1 |
| C. | Apple |
| D. | Chandrayaan-1 |
| Answer» D. Chandrayaan-1 | |
| 597. |
Which of the following is used to measure obesity? |
| A. | PMI |
| B. | BMI |
| C. | AMI |
| D. | KMI |
| Answer» C. AMI | |
| 598. |
How much time is taken by Jupiter to complete a revolution of the sun? |
| A. | 25 years |
| B. | 30 Years |
| C. | 12 Years |
| D. | 6 Years |
| Answer» D. 6 Years | |
| 599. |
Which of the following is not a source of air pollution? |
| A. | Automobile exhaust |
| B. | Burning of firewood |
| C. | Windmill |
| D. | Power plant |
| Answer» D. Power plant | |
| 600. |
The level of sound during normal conversation is |
| A. | 20 db |
| B. | 40 db |
| C. | 60 db |
| D. | 80 db |
| Answer» D. 80 db | |