🔬 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

A defibrillator is used for patients of?Answer: Cardiac arrest If there is no space for CPR, use?Answer: Chest compressions from the side of the patient CPR should be stopped when?Answer: When the person shows signs of life or trained medical help takes over Effective chest compression is done by?Answer: Using the heel of the hand on the center of the chest A destructive earthquake magnitude is?Answer: 6.0 or above Pluto is no longer considered a full planet because:Answer: It is not heavy enough to clear other space rocks out of its path. The lightning conductor or rod used for protecting buildings from lightning is made of:Answer: Copper The primary difference between a virus and a bacteria is that:Answer: Bacteria are free-living, single-celled organisms, while viruses are non-living collections of genetic code. Which of the following is NOT a type of air pollutant?Answer: Nitrogen Several tube wells in a district contain excessive arsenic, while nearby tested wells are within the safe limit. Which immediate risk-reduction measure is most defensible?Answer: Mark tested sources and shift households to low-arsenic water A cereal-and-pulse meal supplies non-haem iron, but the household habitually drinks tea with food. Which modification would most improve iron absorption without changing the staple meal?Answer: Add guava and postpone tea until later ECG stands for?Answer: Electrocardiogram The earth’s atmosphere is divided into layers based on the vertical profile of __________?Answer: Air temperature Which of the following summation operations is performed on the bits to check an error-detecting code?Answer: Checksum The shortest period of time is?Answer: Pico second After reading the passage, what can one conclude about glaciers?Answer: They have both negative and positive effects on human life. The life span of red blood cells in human is:Answer: 120 days How much fluids per day a man should use?Answer: 3.7 liters The waves which are used by the TV remote control are:Answer: Infrared waves Which of the following gas is used in a refrigerator for cooling?Answer: Ammonia Which of the following planet moves fastest around the Sun?Answer: Mercury What instrument is used to measure the oxygen level of the blood?Answer: None of these Which type of vitamin is useful for human body through Sun?Answer: Vitamin D In our body, the percentage of water is?Answer: 60 percent Vitamin B exists in:Answer: Seeds Pakistan has _ federating units.Answer: 5 A, B, C and D each have different amount of money. C has more money than D but less than A. Who among them has the highest amount of money?Answer: None of these The rotational speed of earth about its axis, when measured at equator in comparison to that measured at poles, is:Answer: Greater An antioxidant is a substance that will:Answer: Protect cells against damage The biological studies of cat family is:Answer: None of these