🔬 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 female reproductive part of the flower is called?Answer: Carpel (Pistil) The maximum number of electrons L orbit possesses?Answer: 8 An atom with 6 protons and 6 neutrons will have mass number ______?Answer: 12 All of the following are the methods of heat transfer EXCEPT?Answer: Condensation The refractive index of diamond is ______?Answer: 2.42 The big bang occurred about _____ billion years ago.Answer: 15 The formula of Pressure, P = ______?Answer: F/A The phenomenon which does not lead to global warming is _____?Answer: Photosynthesis Elephant has ____ pairs of chromosomes.Answer: 28 Which of the following is not a part of the hind brain?Answer: Thalamus ______ is/are different standard(s) used to gauge the usefulness of a test.Answer: Both A and B The brain of an elephant is about _____?Answer: 5000 grams The breathing and heartbeat are controlled/regulates by?Answer: Medulla oblongata Echinoderms are animals that are ______?Answer: Invertebrates Which type of pollination is must for Papaya?Answer: Cross pollination To hear a clear echo, the reflecting surface should be at least ________ meters away from the source of sound.Answer: 17 meters The relationship between two organisms where both are benefited and neither is harmed is called _____?Answer: Mutualism Air is Mixture of different gases. What is the share of Nitrogen in air?Answer: 78% The focal length of thin convex lens is _____?Answer: Greater than that of thick convex lens A camera uses a _______ to form an image on a piece of film at the back.Answer: Convex lens There is a pore on seed coat, it is called _____?Answer: Micropyle The attractive force among the molecules is stronger in _____?Answer: Solid A chemical process that gives out heat is called _____?Answer: Combustion Which method is used to separate components of mixture?Answer: All of these Isotopes have the same ______?Answer: Atomic number A place of living according to particular environment of living things is _____?Answer: Habitat In grain seeds, the number of cotyledons is ______?Answer: 2 How many proton and neutron are present in the nucleus of Tritium isotope?Answer: 1 and 2 The force of attraction between the particles of a gas are ______?Answer: Weak A ray parallel to the principal axis, after refraction from convex lens ______?Answer: Passes through its principal focus