🔬 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

The simplest way of asexual reproduction is _____?Answer: Binary fission The concentration of gases is more in ______?Answer: Troposphere All of the following are pollutants, which one is not produced by vehicle?Answer: CFCs What is the primary/main component of natural gas?Answer: Methane Friction can be reduced by changing over from _____?Answer: Sliding to rolling A piece of metal becomes hot when it lies in the sun through:Answer: radiation Scalding with steam is more severe than scalding by boiling water because:Answer: steam contains more energy than boiling water Water is highly effective coolant for a car engine because:Answer: water has very high specific heat capacity Mud houses are cooler in summers and warmer in winters as compared to brick houses because:Answer: mud is a bad conductor When hydrogen filled balloon rises high in the atmosphere:Answer: It will expand The chief constituent of natural gas is:Answer: Methane Acetic acid is commonly used in house hold as:Answer: Vinegar Smallest unit of a compound is:Answer: molecule What is cross eyes?Answer: Due to imbalance in our ocular muscles eyes turn inward or outward The foods with very high energy source are:Answer: Carbohydrates The flying of birds is a consequence of Newton's:Answer: third law of motion The ozone layer is at height of _________kilometers from the surface of the Earth.Answer: 15-40 kilometers Which part of the cell is not present in both animals and plants?Answer: Cell wall Animal cells do not make their own food because they do not have _____?Answer: Chloroplasts The gas used in packets of chips is:Answer: Nitrogen Space rockets use fuel which is liquid oxygen mixed with liquid?Answer: Hydrogen It is often observed that people living in hilly areas suffer from goiter because:Answer: Of low atmospheric pressure there, their diet and drinking water are deficient in iodine The luminous body emits _____?Answer: Light On the Moon astronaut inflates a Rubber Balloon with hydrogen gas and release at a height of 1 meters. the balloon will:Answer: Fall down How much of Earth surface is covered by water----?Answer: 96.50% The picture tube of a black and white TV set has only one electron ‘gun’ that produces the picture on its screen. The number of electron ‘gun’ a colour picture tube has is:Answer: Three Which of the following statements in regard to diabetes is not correct?Answer: it occurs when the blood sugar level decreases Excessive heating and repeated use of cooking oil is most undesirable because:Answer: carcinogenic substances like benzpyrene are produce During a total solar eclipse there is most likely to be:Answer: A decrease in the rate of photosynthesis Increase of carbon dioxide in atmosphere causes:Answer: rise in Earth's temperature