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.
| 401. |
Literal meaning of the term Homo Sapiens is " |
| A. | Man -The Supreme |
| B. | Man -The Omnivore |
| C. | Man - The Wise |
| D. | Man -The Fool |
| Answer» D. Man -The Fool | |
| 402. |
The metal used to recover copper from a solution of copper sulphate is |
| A. | Na |
| B. | Ag |
| C. | Hg |
| D. | Fe |
| Answer» E. | |
| 403. |
The metal that is usually extracted from sea water is |
| A. | Ca |
| B. | Na |
| C. | K |
| D. | Mg |
| Answer» E. | |
| 404. |
Night blindness is cause by lack of which vitamin? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» B. Vitamin B | |
| 405. |
Which sign should be interchanged if the equation below needs to be true?1.5 + 8 9 16 + 2 = 4 |
| A. | and |
| B. | and |
| C. | + and |
| D. | and + |
| Answer» C. + and | |
| 406. |
The O T C medicine crocin is an- |
| A. | Analgesic |
| B. | Antipyretic |
| C. | Analgesic and antipyretic |
| D. | Antiseptic |
| Answer» C. Analgesic and antipyretic | |
| 407. |
In which of the following industries is mica as a raw material? |
| A. | Cement |
| B. | Glass and Pottery |
| C. | Iron and Steel |
| D. | Electrical |
| Answer» E. | |
| 408. |
A typical example of a semiconductor is _______? |
| A. | Platinum |
| B. | Germanium |
| C. | Quartz |
| D. | Mica |
| Answer» C. Quartz | |
| 409. |
The velocity of light is maximum in ______. |
| A. | Diamond |
| B. | Water |
| C. | Vacuum |
| D. | Glass |
| Answer» D. Glass | |
| 410. |
Which of the following has minimum ignition temperature? |
| A. | Petrol |
| B. | Plastic |
| C. | Wood |
| D. | Paper |
| Answer» B. Plastic | |
| 411. |
Which of the following represents the pair of sex chromosomes in men? |
| A. | XY |
| B. | XX |
| C. | YY |
| D. | No option is correct. |
| Answer» B. XX | |
| 412. |
Glycated hemoglobin levels in the blood are affected by many factors. Which one of the following is not one of them? |
| A. | Anemia |
| B. | Iron deficiency |
| C. | Loss of memory |
| D. | Pregnancy |
| Answer» D. Pregnancy | |
| 413. |
Which of the following phenomena does NOT occur during the formation of a rainbow? |
| A. | Polarization |
| B. | Total internal reflection |
| C. | Refraction |
| D. | Dispersion |
| Answer» B. Total internal reflection | |
| 414. |
________ is a non-enzymatic reaction between glucose and dissolving sugars such as proteins, lipids, or nucleic acids. |
| A. | Cellular respiration |
| B. | Glycation |
| C. | phosphorylation |
| D. | pyruvate oxidation |
| Answer» C. phosphorylation | |
| 415. |
The life span of RBC is |
| A. | 100 days |
| B. | 110 days |
| C. | 120 days |
| D. | 130 days |
| Answer» D. 130 days | |
| 416. |
Which of the following viruses causes common cold? |
| A. | Rhino Virus 4 |
| B. | T4 Virus |
| C. | MSZ Virus |
| D. | Simian Virus 40 |
| Answer» B. T4 Virus | |
| 417. |
From which one of the following plants, the insecticide pyrethrum is prepared |
| A. | Cymbopogon |
| B. | Chrysanthemum |
| C. | Tephrosia |
| D. | Velivera |
| Answer» C. Tephrosia | |
| 418. |
In a refrigerator; cooling is produced by |
| A. | the ice which deposits in the freezer |
| B. | the evaporation of a volatile liquid |
| C. | the sudden expansion of a compressed gas |
| D. | None of these |
| Answer» C. the sudden expansion of a compressed gas | |
| 419. |
Cooking vessels have wooden or bakelite handles because |
| A. | the handle must be strong |
| B. | wood and bakelite are bad conductors of heat |
| C. | the handle should be attractive |
| D. | None of the above |
| Answer» C. the handle should be attractive | |
| 420. |
Spraying of DDT on crops causes pollution of |
| A. | Soil and Water |
| B. | Air and Water |
| C. | Air and Soil |
| D. | Crops and Air |
| Answer» B. Air and Water | |
| 421. |
Transboundary pollution (or) Acid rain is caused by |
| A. | Hydrocarbon |
| B. | Carbon monoxide |
| C. | Carbon dioxide |
| D. | Nitrogen oxide and sulphur dioxide |
| Answer» E. | |
| 422. |
Who among the following anticipated Newton by declaring that all things gravitate to the earth? |
| A. | Aryabhatta |
| B. | Varahamihira |
| C. | Buddhagupta |
| D. | Brahmagupta |
| Answer» E. | |
| 423. |
Which of the following is usually not an air - pollutant? |
| A. | Carbon dioxide |
| B. | Nitrous oxide |
| C. | Hydrocarbons |
| D. | Sulphur Dioxide |
| Answer» C. Hydrocarbons | |
| 424. |
The major component in LPG is |
| A. | Methane |
| B. | butane |
| C. | ethane |
| D. | propane |
| Answer» C. ethane | |
| 425. |
By - the product obtained by the soap industry is |
| A. | Naphthalene |
| B. | Caustic potash |
| C. | Caustic soda |
| D. | Glycerol |
| Answer» E. | |
| 426. |
An organism which can monitor air pollution is |
| A. | Algae |
| B. | Fungi |
| C. | Bacteria |
| D. | Lichen |
| Answer» E. | |
| 427. |
The science that deals with the relationship of various organisms with their environment is known as? |
| A. | anthropology |
| B. | economics |
| C. | ecology |
| D. | geology |
| Answer» D. geology | |
| 428. |
World Environmental Day is celebrated every year on: |
| A. | 5 May |
| B. | 5 June |
| C. | 5 July |
| D. | 18 July |
| Answer» C. 5 July | |
| 429. |
What happens when a chemical bond is formed ? |
| A. | Energy is always absorbed |
| B. | Energy in always released |
| C. | More energy is released than is absorbed |
| D. | Energy is neither released nor absorbed |
| Answer» B. Energy in always released | |
| 430. |
What among following is used to produce artificial rain ? |
| A. | copper oxide |
| B. | carbon monoxide |
| C. | silver iodide |
| D. | silver nitrate |
| Answer» D. silver nitrate | |
| 431. |
Genes are made by |
| A. | Histones |
| B. | Lipoproteins |
| C. | Hydrocarbons |
| D. | Polynucleotides |
| Answer» E. | |
| 432. |
The term ecosystem was proposed by |
| A. | Odum |
| B. | Tansley |
| C. | Whitker |
| D. | Goli |
| Answer» C. Whitker | |
| 433. |
When chlorophyll is burnt which element is obtained? |
| A. | Ca |
| B. | Na |
| C. | Mg |
| D. | Mn |
| Answer» D. Mn | |
| 434. |
Which one of the following is highly dangerous radioactive pollutant ? |
| A. | Phosphorus-32 |
| B. | Sulphur-35 |
| C. | Strontium-90 |
| D. | Calcium-40 |
| Answer» D. Calcium-40 | |
| 435. |
Which of the following is not a chemical fertilizer? |
| A. | Urea |
| B. | Sodium Sulphate |
| C. | Super Phosphate |
| D. | Potassium Nitrate |
| Answer» C. Super Phosphate | |
| 436. |
Which lubricant is used for heavy machines? |
| A. | Bauxite |
| B. | Phosphorus |
| C. | Graphite |
| D. | Silicon oil |
| Answer» D. Silicon oil | |
| 437. |
Acid rain is mainly a mixture of |
| A. | Sulphuric acid and nitric acid |
| B. | Hexane and methane |
| C. | Acetic acid and bromine |
| D. | Ascorbic acid and citric acid |
| Answer» B. Hexane and methane | |
| 438. |
The primary colours in photography are |
| A. | Red, blue, yellow |
| B. | Red, yellow, green |
| C. | Red, blue, green |
| D. | Red, green, cyan |
| Answer» D. Red, green, cyan | |
| 439. |
In electric supply lines in India, which parameter is kept constant? |
| A. | Voltage |
| B. | Current |
| C. | Frequency |
| D. | Power |
| Answer» D. Power | |
| 440. |
The most abundant element in the human body is |
| A. | carbon |
| B. | iron |
| C. | nitrogen |
| D. | oxygen |
| Answer» E. | |
| 441. |
Which one of the Endocrine glands are known as master gland? |
| A. | Pituitary |
| B. | Adrenal |
| C. | Thyroid |
| D. | Parathyroid |
| Answer» B. Adrenal | |
| 442. |
Blood pressure is the pressure exerted by blood on the walls of |
| A. | Heart |
| B. | Veins |
| C. | Arteries |
| D. | Capillaries |
| Answer» D. Capillaries | |
| 443. |
Hemoglobin is an important constituent of |
| A. | Red blood cells |
| B. | White blood cells |
| C. | Platelets |
| D. | Plasma |
| Answer» B. White blood cells | |
| 444. |
The organ which stores carbohydrates as glycogen in the human body is |
| A. | Intestine |
| B. | Stomach |
| C. | Pancreas |
| D. | Liver |
| Answer» E. | |
| 445. |
The blood vessel supplying blood to the kidney is |
| A. | the renal artery |
| B. | the hepatic artery |
| C. | the pulmonary artery |
| D. | the carotid artery |
| Answer» E. | |
| 446. |
Hemophilia is |
| A. | an organic disorder |
| B. | a metabolic disorder |
| C. | a genetic disorder |
| D. | a hormonal disorder |
| Answer» D. a hormonal disorder | |
| 447. |
Penicillin is extracted from- |
| A. | Fungus |
| B. | Lichen |
| C. | Yeast |
| D. | Algae |
| Answer» B. Lichen | |
| 448. |
Pituitary gland is located in? |
| A. | Liver |
| B. | Intestine |
| C. | Brain |
| D. | Kidney |
| Answer» D. Kidney | |
| 449. |
Energy possessed by a body due to its stationary is called its |
| A. | heat energy |
| B. | kinetic energy |
| C. | potential energy |
| D. | chemical energy |
| Answer» D. chemical energy | |
| 450. |
Which of the following is used as a coolant in nuclear reactors? |
| A. | calcium |
| B. | Graphite |
| C. | Heavy water |
| D. | Cadmium |
| Answer» D. Cadmium | |