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English Portal Solution
You will find all English Portal MCQs whose solution is updated by Tina Singh
Q. Weather forecasts are primarily prepared by:
Q. Which factor affects weather the most?
Q. Cyclones in the Indian Ocean region are characterized by:
Q. The hottest part of the day usually occurs:
Q. What type of front forms when warm air rises over cold air?
Q. Which instrument measures wind speed?
Q. The line joining places of equal atmospheric pressure on a map is called:
Q. Which cloud type is associated with thunderstorms?
Q. Relative humidity refers to:
Q. A sudden fall in air pressure usually indicates:
Q. Which gas is most responsible for the greenhouse effect?
Q. Wind is caused mainly due to:
Q. The unit commonly used for measuring rainfall is:
Q. Weather is best defined as:
Q. What is the full form of VPN?
Q. Which part of the computer executes instructions?
Q. Which key is used to delete characters to the left of the cursor?
Q. Which of the following is an example of a search engine?
Q. Which company developed the Windows operating system?
Q. Which of these is not a web browser?
Q. What is the main function of an ALU in a CPU?
Q. Which storage device uses laser technology to read and write data?
Q. Which type of computer is the most powerful?
Q. Which of the following keys is used to refresh a web page?
Q. Which of these devices is used for long-term data storage?
Q. Which of these is the fastest type of memory?
Q. Which of these is an example of system software?
Q. Which of the following is used for high-speed data access?
Q. Which component connects all the parts of the computer together?
Q. Which of the following is an example of an input device?
Q. Which of the following is not a fat-soluble vitamin?
Q. Which vitamin is essential for nerve function and DNA synthesis?
Q. Which vitamin deficiency leads to delayed wound healing?
Q. Beriberi is caused due to deficiency of which vitamin?
Q. Which vitamin deficiency causes anemia?
Q. Which of the following vitamins is known as Tocopherol?
Q. Which vitamin helps in calcium absorption?
Q. Which vitamin is essential for the formation of red blood cells?
Q. Pellagra is caused due to the deficiency of which vitamin?
Q. Which vitamin is also known as Riboflavin?
Q. Which of the following is a water-soluble vitamin?
Q. Which vitamin is important for good eyesight?
Q. Which vitamin prevents scurvy?
Q. Which of the following vitamins is fat-soluble?
Q. Deficiency of Vitamin D leads to which disease in children?
Q. Which vitamin helps in blood clotting?
Q. Deficiency of Vitamin A causes which disease?
Q. Which vitamin is synthesized by the skin when exposed to sunlight?
Q. Which of the following vitamins is also known as Ascorbic acid?
Q. What type of enzyme catalyzes oxidation-reduction reactions?
Q. Which of the following represents the correct sequence in enzyme action?
Q. Enzymes can be denatured by:
Q. Which type of biomolecule are most enzymes composed of?
Q. The enzyme that helps in protein digestion in the small intestine is:
Q. Which enzyme converts milk sugar (lactose) into glucose and galactose?
Q. What is the enzyme-substrate complex?
Q. Which enzyme helps in digestion of fats in the small intestine?
Q. Enzymes are most effective in:
Q. Enzyme activity can be inhibited by:
Q. Which of the following is an example of a coenzyme?
Q. The substance on which an enzyme acts is called:
Q. Enzymes are specific because:
Q. Which enzyme digests proteins in the stomach?
Q. Which enzyme helps in breaking down hydrogen peroxide into water and oxygen?
Q. Which enzyme is present in human saliva?
Q. What happens to enzyme activity when the temperature is too low?
Q. The pH at which an enzyme shows maximum activity is called its:
Q. Enzymes work best at which temperature in the human body?
Q. Which of the following statements about enzymes is TRUE?
Q. What is the major challenge in controlling nuclear fusion reactions?
Q. Which of the following isotopes is not radioactive?
Q. What is the typical temperature required for nuclear fusion to occur?
Q. Which isotope is used in medical imaging and cancer treatment?
Q. What type of decay converts a proton into a neutron?
Q. Which nuclear disaster occurred in 1986?
Q. What happens in a chain reaction?
Q. Which of the following protects the reactor from radiation leakage?
Q. Which unit measures the biological effect of radiation?
Q. What is the SI unit of radioactive activity?
Q. Which law governs the rate of radioactive decay?
Q. What is the main by-product of uranium fission?
Q. Which element is used as fuel in breeder reactors?
Q. What is the main coolant used in pressurized water reactors (PWR)?
Q. The energy released per fission of a uranium nucleus is approximately:
Q. Which type of nuclear radiation has the least penetrating power?
Q. Which radioactive element is used in smoke detectors?
Q. What type of radiation is deflected the most by a magnetic field?
Q. Which scientist discovered radioactivity?
Q. Which of the following isotopes is used in nuclear power plants for generating electricity?
Q. Which nuclear reaction is responsible for the energy of the sun?
Q. Which of the following has the least mass?
Q. In which part of the sun does nuclear fusion take place?
Q. Which radioactive element is used for carbon dating?
Q. Which radiation is positively charged?
Q. Which scientist proposed the law of radioactive decay?
Q. What is the half-life of a radioactive substance?
Q. Which of the following devices is used to detect and measure radiation?
Q. What is the main product formed in the fusion of two deuterium nuclei?
Q. Which element is commonly used as fuel in fusion reactions?
Q. What is the function of a control rod in a nuclear reactor?
Q. Which particle is emitted during beta-minus decay?
Q. Which type of radiation has the highest penetrating power?
Q. The energy released in nuclear reactions is due to:
Q. Which isotope of uranium is commonly used as fuel in nuclear reactors?
Q. In a nuclear reaction, which of the following quantities is conserved?
Q. Which of the following is used as a moderator in a nuclear reactor?
Q. The process in which a heavy nucleus splits into two or more lighter nuclei is called:
Q. Who discovered the neutron?
Q. What type of energy is stored in a stretched rubber band?
Q. Which type of lens is used to correct myopia?
Q. What is the main cause of seasons on Earth?
Q. Which instrument is used to detect radiation?
Q. Which phenomenon is responsible for the formation of rainbows?
Q. Which device measures small potential differences?
Q. What is the value of one horsepower in watts?
Q. Which type of mirror is used by dentists to view enlarged images of teeth?
Q. Which scientist proposed the planetary model of the atom?
Q. What does the area under a velocity-time graph represent?
Q. Which type of current changes its direction periodically?
Q. The heat energy required to change a solid into liquid without changing temperature is called:
Q. Which law relates the volume and pressure of a gas at constant temperature?
Q. The work done when an object is moved at constant velocity under frictionless condition is:
Q. Which gas is used in fluorescent lamps?
Q. Which device converts mechanical energy into electrical energy?
Q. What type of motion does the pendulum of a clock exhibit?
Q. Which law states that pressure exerted by a fluid in a closed container is transmitted equally in al
Q. Which quantity does the slope of a distance-time graph represent?
Q. Which scientist discovered the electron?
Q. What type of mirror is used in a vehicle’s rear-view mirror?
Q. The SI unit of frequency is:
Q. Which of the following is not a renewable source of energy?
Q. The splitting of white light into its component colors is called:
Q. Which instrument is used to measure atmospheric pressure?
Q. Which law states that energy can neither be created nor destroyed?
Q. What is the value of acceleration due to gravity on Earth?
Q. Which device is used to measure electric current?
Q. Which of the following quantities is conserved in all types of collisions?
Q. The force of attraction between any two bodies in the universe is known as:
Q. Which color of light has the highest wavelength?
Q. The rate of change of momentum of a body is equal to the:
Q. Who is known as the father of modern physics?
Q. Which phenomenon explains the bending of light when it passes from one medium to another?
Q. Which law explains the relationship between current, voltage, and resistance?
Q. Which physical quantity is measured in Newton?
Q. The connection between your computer at home and your local ISP is called __________
Q. A(n) __________ is composed of several computers connected together to share resources and data ?
Q. P2P is a ______ application architecture ?
Q. The method of Internet access that requires a phone line, but offers faster access speeds than dial-
Q. To connect networks of similar protocols ______ are used ?
Q. What is a modem connected to ?
Q. Which device is used to access your computer by other computer or for talk over phone ?
Q. An alternate name for the completely interconnected network topology is ?
Q. ________ is a technique that is used to send more than one call over a single line ?
Q. The Indian Standard Time is calculated from the clock tower of ______ ?
Q. All parallel circles from the Equator to the poles are known as______ ?
Q. The Indian Standard Time corresponds to the longitude _____ degrees East. ?
Q. India is located to the North of the _____ ?
Q. Name the state capital located 53 metres above the sea level between 93 East longitude and 27 North
Q. When does the entire earth experience equal days and nights ?
Q. On which day does the Summer Solstice occur in the Northern Hemisphere ?
Q. Which among the following is a mature-phase Harappan site situated in the state of Rajasthan ?
Q. Which of the following is a part of the ‘Sutta Pitaka’ ?
Q. Which of the following texts gives a detailed account of the kings of Kashmir ?
Q. Mohenjo Daro is situated on the bank of which river ?
Q. How many Vedangas are there in total ?
Q. Burzahom, the neolithic site, is located in _______ ?
Q. In which province of Pakistan is the site of the ancient civilisation of MohenjoDaro located ?
Q. The skull of a ' Homo erectus' was found in which of the following prehistoric Indian site
Q. Which of the following archaeological sites has evidence of pit- dwellings ?
Q. A boy, of mass 50 kg, runs up a staircase of 45 steps in 10 s. If the height of each step is 14 cm,
Q. Modern periodic table is based on .......... ?
Q. If the electronic configuration of an element is 2, 8, 2, to which period of the Modern Periodic Tab
Q. A mixture of sand and salt can be separated by ?
Q. Mass / Volume = .............. ?
Q. Which of the following, can neither be created nor be destroyed ?
Q. Who demonstrated that objects of different masses would reach the ground together when dropped from
Q. The atmospheric pressure at sea level is ........ atm ?
Q. Mendeleev could not assign a correct position to which of the following elements in his table ?
Q. How much work is done in moving a charge of 5 C across two points having a potential difference of 1
Q. Which element in the periodic table forms maximum number of compounds ?
Q. Which of the following laws is associated with the heating effect of electric current ?
Q. Which of the following devices can help to extend the range of a wireless router?
Q. How many Types of Soil in India?
Q. Ancient Indraprastha was capital of which of the following Mahajanapada?
Q. A 4% stock yield 5%. The market value of the stock is ?
Q. To produce an annual income of Rs. 500 in a 4% stock at 90, the amount of stock needed is ?
Q. A man invests in a 4.5% stock at 96. The interest obtained by him is ?
Q. The marked price of an article is ₹ 500. It is sold on two successive discounts of 20% and 10%. Th
Q. Rita bought a television set with 20% discount on the labelled price. She made a profit of ₹ 800 b
Q. A merchant marked the price on his goods 20% more than its cost price and allows a discount of 15%.
Q. The difference between a discount of 40% on ₹ 500 and two successive discounts of 36% and 4% on th
Q. A merchant has announced 25% rebate on prices of ready made garments at the time of sale. If a purch
Q. A shopkeeper has announced 14% rebate on marked price of an article. If the selling price of the art
Q. Successive discounts of 10%, 20% and 30% is equivalent to single discount of?
Q. If an electricity bill is paid before due date, one gets a reduction of 4 % on the amount of the bil
Q. On a 20 % discount sale, an article costs 596 . What was the original price of the article ?
Q. Two successive discounts of 20% and 20% are equivalent to a single discount of
Q. Which one of the following is an ohmic conductor?
Q. Large computer system typically uses
Q. The mean of 100 observations was calculated as 40. It was found later on that one of the observation
Q. The average of ten numbers is calculated as 15. It was discovered later on that while calculating th
Q. The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last
Q. In which of these transistors, the two segments of n-type semiconductor are separated by a segment o
Q. What is the ratio of the change in collector current to the change in base current at a constant col
Q. Which of the following is correct?
Q. Which of the country has single-party system-
Q. Power of the Supreme Court of India to decide the dispute between center and state falls under
Q. Which of the following statements is/are correct regarding writ of ‘prohibition’? 1.
Q. What does the ‘Judicial Review’ function of the Supreme Court mean?
Q. Which one of the following jurisdictions of the Indian judiciary covers Public Interest Litigation?
Q. The Chief Justice of a High Court is appointed by
Q. The minimum number of judges to sit on the Constitutional Bench or on Bench which gives its advisory
Q. Infrasonic sound has a frequency lower than
Q. Pointing to a photograph, a man said,"She is the grand daughter of the elder brother of my fath
Q. Pointing to a women, Naman said, "She is the daughter of the only child of my grandmother."
Q. Two clocks are set correctly at 10 am on Sunday. One clock loses 3 min in an hour while the other ga
Q. A clock, which loses uniformly, is 15 min fast at 9 am on 3rd of the December and is 25 min less tha
Q. A clock becomes 12 s fast in every 3 h. If it is made correct at 3 O' clock in the afternoon of Sund
Q. How many times are the hour hand and the minute hand of a clock at right angles during their motion
Q. A clock gains 5 minutes in one hour. Therefore, the angle traversed by the minute hand in 1 hour is
Q. How many times are the hands of a clock at right angle in a day?
Q. How many times do the hands of a clock coincide in a day?
Q. Which of the following statements are correct with regard to Military Administration of Chola? 1.
Q. In MODEMS :
Q. If original signal is band limited with bandwidth of W, samples are taken, in PCM, once every
Q. ASK is a result of combination of Shift keying and
Q. Codec uses
Q. Two binary values are represented by two different frequencies in :
Q. A clock gains 5 minutes in one hour. Therefore, the angle traversed by the minute hand in 1 hour is
Q. Find the angle traced by hour hand of a correct clock between 8 O' clock and 2O' clock.
Q. What will be the angle between the hands of clock at 7 : 10?
Q. Find the angle between the hands of clock at 8 : 20.
Q. Select the word which has same relation: PETAL : FLOWER
Q. Select the word which has same relation: BINDING : BOOK
Q. Select the word which has same relation: honeybee angel bat kangaroo rabbit ?
Q. Which of the following terms is just the collection of networks that can be joined together ?
Q. Select the word/ letter which has same relation: 213 : 300 :: 170 : ?
Q. Select the word /letter which has same relation: 9 : 28 :: 65 : ?
Q. Where is computer's BIOS stored?
Q. An optical input device that interprets pencil marks on paper media is
Q. Consider the following statements regarding Mithilakshar: 1. The oldest form of Mithilakshar is fou
Q. Which of the following is / are correct statements about the Maniyaro dance? 1. It is a variety of
Q. The famous Trimurty Sadasiva is the part of which among the following caves in India?
Q. The government has introduced the Citizenship Amendment Bill, 2016. The Bill seeks to allow citizens
Q. Consider the following dance forms: 1. Sattriya 2. Odissi 3. Manipuri Which of the above is/are
Q. Consider the following: 1. Vedangas 2. Upaveda 3. Darshanas Which of the above are integral part
Q. Select the word/letter which has same relation: 20 : 7980 :: 12 : ?
Q. Select the word/letter which has same relation: 176 : 14936 :: 549 : ?
Q. Select the word/ letter which has same relation: 43 : 1 :: 52 : ?
Q. Select the word/letter which has same relation:
Q. Select the word/letter which has same relation: 213 : 300 :: 170 : ?
Q. Select the word/letter which has same relation: 14 : 195 :: 21 : ?
Q. Select the word/letter which has same relation: 35 : 53 :: 56 : ?
Q. Select the word/letter which has same relation: 210 : 6 :: ? : 5
Q. Select the related numbers/letters/words from the given alternatives. 3 : 81 :: 6 : ?
Q. The acid stored in batteries is:
Q. The nutritive tissue in the seeds of higher plants is known as
Q. Which of the following one of the following glands is responsible for secretion of sex hormones -
Q. Complete the series: 7 : 32 : : 35 : ?
Q. Speakers attached to your computer are used for?
Q. Which one of the following founded the "atmiya sabha"?
Q. Who among the following was the author of a drama "Nila darpan"?
Q. Who influenced Mahadev Govind Ranade to establish prarthana samaj in Bombay?