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English Portal Solution
You will find all English Portal MCQs whose solution is updated by Sikhar Chaudhary
Q. Which color of light has the highest frequency?
Q. Which of the following devices converts sound energy into electrical energy?
Q. Which phenomenon explains the twinkling of stars?
Q. What type of energy transformation occurs in an electric iron?
Q. Which of the following is an example of periodic motion?
Q. Which property of light proves that it travels in a straight line?
Q. Who discovered the law of universal gravitation?
Q. Which instrument is used to measure electric current?
Q. Which of the following is not a scalar quantity?
Q. What type of lens is used to correct myopia (short-sightedness)?
Q. Which mirror is used in car headlights?
Q. Which of the following is a non-renewable source of energy?
Q. What happens to the frequency of a wave if its wavelength decreases and speed remains constant?
Q. Which physical quantity is measured in Pascal?
Q. Which law states that current is directly proportional to voltage and inversely proportional to resi
Q. What is the acceleration due to gravity on the surface of the Earth?
Q. Which of the following quantities is a vector?
Q. What is the SI unit of electric charge?
Q. Which physical quantity is measured in Hertz?
Q. What is the unit of electric charge?
Q. Which color of light has the longest wavelength?
Q. Which type of mirror is used in torches and headlights?
Q. What is the acceleration due to gravity on Earth?
Q. Which of the following has the lowest temperature?
Q. Which device converts electrical energy into mechanical energy?
Q. Which phenomenon explains the bending of light as it passes from one medium to another?
Q. Which of the following quantities is measured in Joules?
Q. What type of energy is stored in a stretched spring?
Q. Which of the following materials is a good conductor of electricity?
Q. Which mirror is used in rear-view mirrors of vehicles?
Q. Which law states that current is directly proportional to voltage?
Q. Which of the following is used to measure electric current?
Q. Who discovered the law of gravitation?
Q. What is the speed of light in vacuum?
Q. Which of the following is a scalar quantity?
Q. Which gas is produced during photosynthesis?
Q. Which of the following is used in photography?
Q. Which of the following elements is a metalloid?
Q. What is the common name of calcium carbonate?
Q. Which of the following elements is essential for respiration?
Q. What type of bond is formed between two atoms sharing electrons?
Q. Which of the following acids is present in vinegar?
Q. Which of the following metals reacts with cold water?
Q. What is the chemical formula of ammonia?
Q. Which process is used to separate alcohol from water?
Q. What is the main ore of iron?
Q. Which chemical is used to remove hardness of water?
Q. Which vitamin is synthesized by the human body when exposed to sunlight?
Q. Which of the following is used as an antifreeze in automobile radiators?
Q. Which metal is used for making filaments in electric bulbs?
Q. Which of the following gases turns lime water milky?
Q. What is the process of coating iron with zinc called?
Q. Which of the following elements has the lowest atomic mass?
Q. Which chemical is used to preserve biological specimens?
Q. Which metal is most abundant in the Earth's crust?
Q. Which of the following is used to bleach clothes?
Q. Which acid is used in car batteries?
Q. Which element is a liquid non-metal at room temperature?
Q. What is the chemical name of table salt?
Q. Which of the following elements is used in the manufacture of glass?
Q. Which of the following has the highest pH value?
Q. Which metal is liquid at room temperature?
Q. Which element is used in making pencils?
Q. Which acid is present in lemon?
Q. Which element is used in fluorescent lamps?
Q. Which metal is used in thermite welding?
Q. What is the color of copper sulfate solution?
Q. Which of the following gases is lighter than air?
Q. Which acid is present in sour milk?
Q. Which gas is responsible for the smell of rotten eggs?
Q. Which metal is found in blood hemoglobin?
Q. Which of the following elements forms rust when exposed to air and moisture?
Q. Which gas is known as ‘marsh gas’?
Q. Which of the following substances is used to make glass opaque?
Q. What is the molecular formula of ozone?
Q. Which of the following elements is used in making matchsticks?
Q. Which gas is used for the preparation of soda water?
Q. Which of the following is the hardest natural substance?
Q. Which acid is used in soft drinks?
Q. What is the main component of paper?
Q. Which gas is used for artificial ripening of fruits?
Q. Which metal is extracted from bauxite ore?
Q. What is the main constituent of LPG?
Q. Which element is known as the ‘King of Chemicals’?
Q. Which gas is produced during respiration?
Q. Which of the following is used to neutralize acid spills?
Q. What is the common name for calcium carbonate?
Q. Which of the following is an alkaline earth metal?
Q. What is the atomic symbol of gold?
Q. Which gas is used in balloons?
Q. Which of the following substances has the lowest pH value?
Q. Which metal is used in making aircrafts?
Q. What is the SI unit of pressure?
Q. Which of the following is not a mixture?
Q. Which of the following metals can be cut with a knife?
Q. Which process converts solid directly into gas?
Q. What is the main component of natural gas?
Q. Which element has the chemical symbol 'K'?
Q. Which of the following acids is found in lemon?
Q. What is the chemical name of washing soda?
Q. Which of the following processes is used to purify water?
Q. Which metal is the best conductor of electricity?
Q. Which gas is responsible for the depletion of the ozone layer?
Q. Which of the following is an example of an alloy?
Q. Which element is the main constituent of the sun?
Q. Which of the following is a mixture?
Q. Which gas is produced when metals react with acids?
Q. Which of the following is a base?
Q. Which element is used in thermometers?
Q. What is the atomic number of oxygen?
Q. Which element is used in the production of semiconductors?
Q. Which gas is known as laughing gas?
Q. Which metal is used for galvanizing iron?
Q. Which of the following is used in the manufacture of glass?
Q. What type of bond is formed by the sharing of electrons?
Q. Which of the following is a greenhouse gas?
Q. Which element is used in making pencil leads?
Q. Which of the following acids is used in car batteries?
Q. Which of the following is a non-metal that conducts electricity?
Q. What is the common name of sodium bicarbonate?
Q. Which of the following is a chemical compound?
Q. Which element is common in all organic compounds?
Q. Which of the following is used as a refrigerant in cooling systems?
Q. Which chemical is used in the preservation of food?
Q. Which gas turns lime water milky?
Q. Which of the following is not an alkali metal?
Q. Which acid is produced in our stomach to aid digestion?
Q. Which of the following has the highest electronegativity?
Q. Which of the following gases causes acid rain?
Q. Which of the following elements is present in chlorophyll?
Q. Which of the following is a noble metal?
Q. Which element is essential for the rusting of iron?
Q. Which law states that mass is neither created nor destroyed in a chemical reaction?
Q. What is the chemical formula of table salt?
Q. Which gas is used in fire extinguishers?
Q. Which particle has a negative charge?
Q. Which of the following is an example of a chemical change?
Q. Which acid is commonly found in vinegar?
Q. Which of the following elements is a noble gas?
Q. What is the pH of pure water at 25°C?
Q. Which of the following is the lightest gas?
Q. What is the oxidation state of sulfur in H2SO4?
Q. What is the main constituent of natural gas?
Q. Which allotrope of carbon is the hardest natural substance?
Q. Which of the following represents a redox reaction?
Q. Which metal is used in galvanization?
Q. Which type of reaction is represented by: 2Na + Cl2 → 2NaCl?
Q. Which of the following has the lowest pH?
Q. What is the chemical formula of quicklime?
Q. Which law relates the pressure and volume of a gas at constant temperature?
Q. Which of the following compounds is used to soften hard water?
Q. Which of the following represents an exothermic process?
Q. Which of the following is a noble gas?
Q. Which of the following indicators is used in acid-base titration involving strong acid and strong ba
Q. Which of the following statements about catalysts is true?
Q. Which compound is commonly known as 'baking soda'?
Q. Which of the following metals is liquid at room temperature?
Q. Which gas is used in the preparation of soda water?
Q. Which of the following acids is the strongest?
Q. What type of bond is formed between two chlorine atoms in Cl2?
Q. Which of the following elements has the highest electronegativity?
Q. Which metric correctly describes the amount of substance containing Avogadro's number of entiti
Q. Which ion is responsible for the basicity of a solution when ammonia is dissolved in water?
Q. What happens to the equilibrium constant (K) of an exothermic reaction if the temperature is increas
Q. Which compound is amphoteric (can act as both an acid and a base)?
Q. Which of the following increases the rate of a chemical reaction according to collision theory?
Q. Which reagent is typically used to perform a nucleophilic substitution (SN2) reaction on a primary a
Q. Which of the following species has the highest lattice energy?
Q. Which of the following is a characteristic of an ideal solution?
Q. Which law states that equal volumes of gases, at the same temperature and pressure, contain equal nu
Q. Which functional group is present in acetone (propanone)?
Q. Which electrode reaction occurs at the cathode during the electrolysis of molten NaCl?
Q. Which of the following correctly ranks species by increasing acidity in aqueous solution?
Q. What is the main type of intermolecular force responsible for the relatively high boiling point of w
Q. Which of the following processes is endothermic?
Q. Which reagent is commonly used to distinguish between aldehydes and ketones (Tollens' test)?
Q. In an ideal gas, which of the following is true at the same temperature?
Q. Which of the following is NOT a colligative property?
Q. Which is the best oxidizing agent among the following?
Q. Which statement best describes Le Chatelier's principle?
Q. Which of the following salts will produce a basic solution when dissolved in water?
Q. For the reaction 2A → products, the rate law is rate = k[A]^2. What is the order of the reactio
Q. Which hybridization is present on the carbon atoms of ethene (C2H4)?
Q. What is the pH of a 0.001 M solution of HCl (a strong acid)?
Q. Which gas is produced when dilute hydrochloric acid reacts with zinc?
Q. Who founded the Indian National Congress in 1885?
Q. The Dandi March was launched by Mahatma Gandhi in which year?
Q. Who was known as the 'Napoleon of India'?
Q. The Battle of Plassey (1757) was fought between?
Q. Who was the first Governor-General of India?
Q. If the cost price of 15 tables be equal to the selling price of 20 tables, the loss per cent is ?
Q. By selling an article for Rs. 247.50 we get a profit of 12.5 %. The cost of the article is ?
Q. The term __________ designates equipment that might be added to a computer to enhance its functional
Q. The quickest and easiest way in Word, to locate a particular word or phrase in a document is to use
Q. In binary language each letter of the alphabet, and each special character are made up of a unique c
Q. A ______ is a resource for storing information, which is available to a computer program and is usua
Q. Any data or instructions entered into the memory of a computer are considered _____
Q. Which of the following is an example of storage devices?
Q. Input, output, and processing devices grouped together represent a(n) ___.
Q. A____ is a collection of data that is stored electronically as a series of records in a table.
Q. Indtroducing a boy, Rama said, “His sister’s father is the only grandson of my grandfath
Q. ________ is a process of dividing the disk into tracks and sector.
Q. If the _____ bit in X.25 standard is set to 1, it means that there is more than one packet.
Q. MICR technology is mainly used by banking industry. MICR denotes _______.
Q. To avoid the wastage of memory, the instruction length should be
Q. What is the function of Recycle Bin?
Q. In a database, _____ fields store numbers used to perform calculations.
Q. OSI reference model has ____ layers
Q. Which one of the following would not be considered as a form of secondary storage?
Q. Which of the following statements are correct with regard to the contribution of Buddhism to Indian
Q. The concept of Anuvrata was advocated by
Q. Which of the following places is associated with Jainism?
Q. Who presided over the fourth Buddhist council in Kashmir?
Q. The Kalinga war was fought in which year of Ashoka reign?
Q. Which among the following Mudra is the gesture of Buddha as depicted in his first sermon?
Q. The freedom from payment of taxes for promotion of any religion is guaranteed by