MCQOPTIONS
Saved Bookmarks
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.
| 301. |
_____ solution is used to treat a bee sting. |
| A. | Lemon juice |
| B. | Milk |
| C. | Vinegar |
| D. | Baking soda |
| Answer» E. | |
| 302. |
Give an example of a slat which gives an aqueous solution of pH less than 7. |
| A. | Sodium chloride |
| B. | Ammonium chloride |
| C. | Sodium carbonate |
| D. | Sodium bicarbonate |
| Answer» C. Sodium carbonate | |
| 303. |
The atoms of Germanium, Arsenic, Selenium and Bromine contain _____ shells. |
| A. | 4 |
| B. | 3 |
| C. | 5 |
| D. | 7 |
| Answer» B. 3 | |
| 304. |
Gravitational force is maximum at which of the following place? |
| A. | At equator |
| B. | At tropic of cancer |
| C. | At tropic of Capricorn |
| D. | At poles |
| Answer» B. At tropic of cancer | |
| 305. |
Which of the following disease is caused by female Anopheles mosquito? |
| A. | Chicken Pox |
| B. | Malaria |
| C. | Black Fever |
| D. | Cholera |
| Answer» E. | |
| 306. |
The cells which are responsible for the production of antibodies are |
| A. | Red blood cells |
| B. | Neutrophils |
| C. | Lymphocytes |
| D. | Platelets |
| Answer» C. Lymphocytes | |
| 307. |
Which of the following transports water from the roots of the plant to its leaves? |
| A. | Xylem |
| B. | Phloem |
| C. | Both xylem and phloem |
| D. | Cortex |
| Answer» B. Phloem | |
| 308. |
Our solar system consists of how many planets? |
| A. | 8 |
| B. | 10 |
| C. | 9 |
| D. | 7 |
| Answer» B. 10 | |
| 309. |
A steam engine converts the heat energy of steam into ______. |
| A. | Electrical energy |
| B. | Chemical energy |
| C. | Mechanical energy |
| D. | Thermal energy |
| Answer» D. Thermal energy | |
| 310. |
Which of the following organelles is called Atom bombs? |
| A. | Microtubules |
| B. | Nucleolus |
| C. | Golgi bodies |
| D. | Lysosome |
| Answer» E. | |
| 311. |
The important metal used with iron to make it rust-free |
| A. | Aluminum |
| B. | Carbon |
| C. | Chromium |
| D. | Tin |
| Answer» D. Tin | |
| 312. |
The number of chambers in a human heart is |
| A. | Four |
| B. | Two |
| C. | Three |
| D. | Five |
| Answer» B. Two | |
| 313. |
Nilgai belongs to the following family |
| A. | Cow |
| B. | Goat |
| C. | sheep |
| D. | Deer |
| Answer» E. | |
| 314. |
Which one of the following is not correctly matched |
| A. | Anemometer - wind speed |
| B. | Ammeter - Electric current |
| C. | Tacheometer - Pressure difference |
| D. | Pyrometer - High temperature |
| Answer» D. Pyrometer - High temperature | |
| 315. |
Accumulation of which one of the following in the muscle leads to fatigue? |
| A. | Lactic acid |
| B. | Pyruvic acid |
| C. | Benzoic acid |
| D. | Uric acid |
| Answer» B. Pyruvic acid | |
| 316. |
Constituents of atomic nucleus are |
| A. | Electron and proton |
| B. | Electron and neutron |
| C. | Proton and neutron |
| D. | Proton, neutron and electron |
| Answer» D. Proton, neutron and electron | |
| 317. |
Who among the following discovered laws of planetary motion? |
| A. | J. Kepler |
| B. | Albert Einstein |
| C. | N. Copernicus |
| D. | Otto Blathy |
| Answer» B. Albert Einstein | |
| 318. |
The sweet taste of fruits is due to- |
| A. | Ribose |
| B. | Lactose |
| C. | Fructose |
| D. | Maltose |
| Answer» D. Maltose | |
| 319. |
Which of the following is not a natural polymer? |
| A. | Wool |
| B. | Leather |
| C. | Nylon |
| D. | Silk |
| Answer» D. Silk | |
| 320. |
The maximum limit in decibels of sound intensity above which a person cannot hear |
| A. | 50 db |
| B. | 70 db |
| C. | 85 db |
| D. | 95 db |
| Answer» E. | |
| 321. |
Earth s escape velocity is |
| A. | 15.0 km / sec |
| B. | 21.0 km / sec |
| C. | 7.0 km / sec |
| D. | 11.2 km / sec |
| Answer» E. | |
| 322. |
The connective tissue that connects a muscle to a bone is |
| A. | Cartilage |
| B. | Ligament |
| C. | Tendon |
| D. | Interstitial Fluid |
| Answer» D. Interstitial Fluid | |
| 323. |
Water can be separated from alcohol water mixture by |
| A. | Decantation |
| B. | Evaporation |
| C. | Distillation |
| D. | Sublimation |
| Answer» D. Sublimation | |
| 324. |
Hygrometer is used to measure |
| A. | relative humidity |
| B. | Earthquake |
| C. | body temperature |
| D. | viscosity |
| Answer» B. Earthquake | |
| 325. |
Hybridization is |
| A. | downward movement of water through soil |
| B. | a process of tilling the land |
| C. | decayed vegetable matter |
| D. | cross-fertilization between two varieties |
| Answer» E. | |
| 326. |
Wind speed is measured by which of the following instruments- |
| A. | Barometer |
| B. | Windven |
| C. | Anemometer |
| D. | Rotameter |
| Answer» D. Rotameter | |
| 327. |
Which gas in its solid state is also known as dry ice? |
| A. | Carbon dioxide |
| B. | Hydrogen |
| C. | Nitrogen |
| D. | Oxygen |
| Answer» B. Hydrogen | |
| 328. |
Which among the following elements increases the absorption of water and calcium in plants? |
| A. | Manganese |
| B. | Boron |
| C. | Copper |
| D. | Molybdenum |
| Answer» C. Copper | |
| 329. |
Name the gland that controls the function of other endocrine glands |
| A. | Pituitary gland |
| B. | Adrenal gland |
| C. | Renal gland |
| D. | Pancreatic gland |
| Answer» B. Adrenal gland | |
| 330. |
What is deposited on iron in the process of galvanisation? |
| A. | Tin |
| B. | Zinc |
| C. | Copper |
| D. | Aluminium |
| Answer» C. Copper | |
| 331. |
All green plants and certain blue-green algae which can produce food by photosynthesis are called the_____. |
| A. | Consumers |
| B. | Producers |
| C. | Decomposers |
| D. | Bacteria |
| Answer» C. Decomposers | |
| 332. |
The first synthetic fibre made by man was |
| A. | Polyester |
| B. | Rayon |
| C. | Terrycloth |
| D. | Nylon |
| Answer» E. | |
| 333. |
Which instrument is used to record the speed of a vehicle? |
| A. | Thermometer |
| B. | Barometer |
| C. | Speedometer |
| D. | Oscilloscope |
| Answer» D. Oscilloscope | |
| 334. |
Which instrument is used to record Atmospheric pressure? |
| A. | Thermometer |
| B. | Barometer |
| C. | Seismometer |
| D. | Oscilloscope |
| Answer» C. Seismometer | |
| 335. |
Which of the following is a colloidal solution? |
| A. | Vinegar solution |
| B. | Paint |
| C. | Muddy water |
| D. | Sugar solution |
| Answer» C. Muddy water | |
| 336. |
As compared to pure water, a body in salty water will : |
| A. | Sink more |
| B. | Sink less |
| C. | Remain same |
| D. | None of these |
| Answer» C. Remain same | |
| 337. |
Which of the following is hotter? |
| A. | Boiling water |
| B. | Steam |
| C. | Ice |
| D. | All of the above |
| Answer» C. Ice | |
| 338. |
Which of the following is an example of diffusion of gases? |
| A. | Perfume Smell |
| B. | Food aroma |
| C. | Fragrance of incense sticks |
| D. | All of the above |
| Answer» E. | |
| 339. |
Which among the following is not an Enzyme? |
| A. | Trypsin |
| B. | Gastrin |
| C. | Pepsin |
| D. | Rennin |
| Answer» C. Pepsin | |
| 340. |
Who invented the battery? |
| A. | Michael Faraday |
| B. | Volta |
| C. | Maxwell |
| D. | Roentgen |
| Answer» C. Maxwell | |
| 341. |
Which of the following is NOT a part of the endocrine system? |
| A. | Pineal gland |
| B. | Salivary gland |
| C. | Thymus |
| D. | Adrenal gland |
| Answer» C. Thymus | |
| 342. |
Which of the following is biodegradable? |
| A. | Paper |
| B. | D.D.T. |
| C. | Aluminum |
| D. | Plastic |
| Answer» B. D.D.T. | |
| 343. |
The 'Greenhouse effect' is produced due to the presence of excess amount of |
| A. | Sulphur dioxide |
| B. | Nitrogen dioxide |
| C. | Carbon monoxide |
| D. | Methane |
| Answer» E. | |
| 344. |
How much blood is pumped in one heart beat? |
| A. | 40 to 50 mililiters |
| B. | 30 to 40 mililiters |
| C. | 30 to 50 mililiters |
| D. | 60 to 90 mililiters |
| Answer» E. | |
| 345. |
Which of the following is a nitrogen-fixing bacteria? |
| A. | Salmonella |
| B. | Rhizobium |
| C. | E.coli |
| D. | Pseudomona |
| Answer» C. E.coli | |
| 346. |
An element that does not occur in nature but can be produced artificially is |
| A. | thorium |
| B. | radium |
| C. | plutonium |
| D. | uranium |
| Answer» D. uranium | |
| 347. |
In the human body, fats are stored in the |
| A. | Epidermis |
| B. | Adipose tissue |
| C. | Liver |
| D. | Epithelium |
| Answer» C. Liver | |
| 348. |
Materials for rain-proof coats and tents owe their water proof properties to |
| A. | Surface tension |
| B. | Viscosity |
| C. | Specific gravity |
| D. | Elasticity |
| Answer» B. Viscosity | |
| 349. |
Which part of the nervous system controls the activities of internal organs? |
| A. | Spinal cord |
| B. | Cerebrum |
| C. | Cerebellum |
| D. | Medulla Oblongata |
| Answer» E. | |
| 350. |
Solar cells work on the principle of |
| A. | Photovoltaic effect |
| B. | photoelectric effect |
| C. | photoconductive effect |
| D. | photosynthesis |
| Answer» B. photoelectric effect | |