🔬 General Science Solved MCQs with Answers

Practice 4010 approved 🔬 General Science questions with verified answers from the 🌐 Current Affairs & GK subject for Pakistan exams.

4010 solved MCQs

Sub-group “B” of the periodic table represents:Answer: Less typical elements When an electron is added to Othen the energy change is expressed by:Answer: Electron affinity Quartz crystal has typical tetrahedral structure between oxygen and silicon atoms. How many silicon atoms are connected to an oxygen atom in this structure:Answer: 2 True statement(s) about paramagnetic property of transition elements is/are:Answer: Both A and B are correct Tubes made of steel can be hammered while hot, but a cutting tool also made of steel cannot be hammered while hot. This due to:Answer: More carbon content in cutting tools Alkanes are less reactive as compared to alkenes because:Answer: All of these Important property of polymers of PVC pipes is:Answer: Can be softened repeatedly on heating and hardened when cooled with little change in property According to the author, which of the following attributes is (are) characteristic of female tarantulas? i. maternal instincts ii. Visual acuity iii. FertilityAnswer: I only The description of what happens when one films a tarantula’s reaction to the touch of a cricket (lines 44-48) chiefly is intended to convey a sense of the tarantula’sAnswer: Quickness in attacking Which law states that mass can neither be created nor destroyed?Answer: Law of Conservation of Mass The chemical name/main compound of synthetic vinegar is ______?Answer: Acetic acid Which of the following is not a characteristic of a chemical change? Energy change, New substance formed, Irreversible, Temporary changeAnswer: Temporary change A plane mirror forms an image that is ____?Answer: Virtual and upright Which chemical is used to test the presence of starch in food?Answer: Iodine solution Which one of the following is the best heat conductor?Answer: Copper Total number of small and large bones in human body are ___ .Answer: 206 Earthquake waves ....... in velocity upon entering in the mantle.Answer: Increase How many bones in each hand?Answer: 27 What kind of energy is stored in a dry cell?Answer: Chemical How many atomic particles of an atom?Answer: 3 Mercury is used in thermometers because ______?Answer: All of the above Which part of the human brain is the center of memory, learning, thinking, and reasoning?Answer: Cerebrum The shortest distance between two points is called?Answer: Displacement The atmospheric pressure at any place is measured by _____?Answer: Barometer In human body, ______ is/are primarily used to stop bleeding by forming blood clots at the site of a damaged blood vessel.Answer: Platelets Which metal can be removed (or displaced) from water?Answer: Sodium Which law applies to the motion of an airplane?Answer: Bernoulli’s Principle Parsec is a unit used to measure _______?Answer: Distance The genetic material in cells is _____?Answer: DNA The clouds float in atmosphere because of _____?Answer: Less density