🔬 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 vector field with a vanishing curl is called as?Answer: Irrotational FCC lattice is the reciprocal lattice of the?Answer: BCC lattice Einstein’s photoelectric equation is?Answer: hv = hvo + (1/2 mv^2) max What is the effect of increasing the number of sits on the intensity of Central maxima of diffraction pattern of a diffraction grating?Answer: Intensity of central maxima will increase The parameters that Kepler’s Law of period relates to?Answer: The semi-major axis and the time period If vector field A = (x + 3y)i + (y - 2z)j + (x + mz)k is solenoidal, then the value of m is?Answer: -2 Solar (Sun) Eclipse occurs when _______?Answer: The moon comes between earth and sun Which of the cells contains large amount of oxygen carrier protein hemoglobin?Answer: Erythrocytes A major difference between marine and freshwater animal lies in ______?Answer: Toxicity of body fluids The branch of chemistry which deals with the study of all elements and their compound except hydrocarbons is called?Answer: Inorganic chemistry Which of the following is not Carbohydrate?Answer: Hemoglobin The taste organs in insects are called _____?Answer: Taste hairs Which of the following is called a flower animal?Answer: Sea anemone Of the following disease, the one caused by a worm is?Answer: Treichinosis Two or more species occupying identical or overlapping areas are known as ______?Answer: Sympatric Which endocrine glands become inactive during old age?Answer: Thymus Extrinsic information molecules are _______?Answer: Hormones The type of isomers found associated with DNA are _____?Answer: Two The element common to all acids is _____?Answer: Hydrogen Enzymes required for transcription is?Answer: RNA polymerase All of the following are primates except the ______?Answer: Giraffe The Blender Experiment to prove DNA as genetic material was performed by ______?Answer: Hershey & Chase If gastric juice is tested with a pH meter, the pH is most likely to be about _____?Answer: 2 All of the following are parasitic worms except the ______?Answer: Leech One way of cleaning up the environment after an oil spill is through the use of ______?Answer: Bioremediation A sequence of three bases on messenger RNA is called ______?Answer: A codon The spinning web by a spider is an example of ______?Answer: An instinct A hormone that stimulates the production of cortisone is ______?Answer: ACTH A part of the digestive system that is not in contact with food is the ______?Answer: Liver In the vertebrate eye, the light first passes through the ______?Answer: Cornea