Q. The process that continually adds new crust is? (A) Subduction (B) Earthquake (C) Seafloor spreading (D) Convection Answer: C Seafloor spreading creates new crust. Subduction destroys old crust. Read more: Must Read Books for Competitive Exams
Q. How do vector vaccines work to provide immunity? (A) By introducing a weakened or inactivated virus into the body (B) By directly attacking and destroying pathogens in the body (C) By placing the virus in a modified version of a different virus (D) By entering directly into the cells and enabling them to create
Q. How do COVID vaccines stimulate an immune response? (A) By introducing live attenuated SARS-CoV-2 virus (B) By introducing a real SARS-CoV-2 virus (C) By introducing a harmless piece of SARS-CoV-2 virus (D) By introducing antibodies against SARS-CoV-2 virus Answer: A To trigger an immune response, many vaccines put a weakened or inactivated germ into
Q. The amount of solute present per unit volume or per unit mass of the solution/solvent is known as in Chemistry? (A) Composition of solute (B) Concentration of solvent (C) Concentration of solute (D) Concentration of solution Answer: D The amount of solute present per unit volume or unit mass of the solution/solvent is known
Q. A photoelectric cell is a device which? (A) Converts light energy into electric energy (B) Converts electric energy into light energy (C) Stores light energy (D) None of the above Answer: A Photoelectric cell is a device that converts light energy into electric energy. Read more: Must Read Books for Competitive Exams
Q. The image formed by concave mirror is real, inverted and of the same size as that of the object. The position of the object should be? (A) At the focus (B) At the centre of curvature (C) Between the focus and centre of curvature (D) Beyond the centre of curvature Answer: B Read more: Must
Q. What is the ‘Manhattan Project’? (A) A research and development undertaking that produced the first nuclear weapons (B) One of the largest art auctions of the world (C) A real estate project 111 New York City (D) A famous theme park Answer: A Read more: Must Read Books for Competitive Exams The Manhattan Project was
Q. What is the name of Tesla’s humanoid robot launched in October 2022? (A) Sophia (B) Atlas (C) Pepper (D) Optimus Answer: D Read more: Must Read Books for Competitive Exams Tesla CEO Elon Musk recently unveiled the latest prototype of Optimus – a humanoid robot developed by the American company based in Texas. Key facts
Q. What is/are the full form(s) of HMX? 1. High Melting Explosive 2. High-Density Monoatomic Xenon 3. Hedge Monetizing Xeno currency 4. Her Majesty’s Explosive Select the correct answer using the codes given below: (A) 1 and 2 (B) 2 and 3 (C) Only 1 (D) 1 and 4 Read more: Must Read Books for Competitive
Q. What is the ‘fibre’ used to make bulletproof jackets? (A) Nylon (B) Terylene (C) Tweed (D) Kevlar Answer: D Read more:Â Must Read Books for Competitive Exams Kevlar used in the vests is comprised of a woven fabric consisting of synthetic fibres made through polymerisation. It is a high strength material known for its high