🔬 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

Arrangement of atoms High speed electrons from particle, detectors are used to determine?Answer: Diameter of atomic nuclei Which one of the following is used in oven?Answer: Microwaves Transverse nature of light was confirmed by the phenomenon of the ______?Answer: Polarization of light One of the four elements that have the greatest metallic radii is?Answer: Strontium (Sr) As the metallic radii increases in Group II, the density?Answer: Increases One of the best catalysts which increase the rate of reaction by million times is?Answer: Carbolic anhydrase In the production of Phenylamine, it is separated from the reaction mixture by process of?Answer: Steam distillation Halogens dissolve well in?Answer: Cyclohexane Down the group, the hydrogen halides could be?Answer: Less thermally stable In Al2, Cl6, the number of electron pairs donated by each Chloride ion are?Answer: 1 On the description of the proton, the new classification of acid and base was given by?Answer: Bronsted and T. Lowry Chlorosis in older leaves occurs due to the deficiency of?Answer: Magnesium The association of Endotoxin in gram-negative bacteria is due to the presence of?Answer: Lipopolysaccharides Which phage is used for phage display technique?Answer: M13 Which of the statements regarding gram staining is wrong?Answer: Mycobacterium tuberculosis stains blue because of the thick lipid layer Which of the following are the basic categories of chemical signaling found in multicellular organisms?Answer: All of these Which of the following prisms would be suitable for use in a periscope?Answer: An isosceles right angled prism In a sample of a substance, at any given temperature the energy of all particles will?Answer: Not be same Force on a moving charge in a uniform magnetic field depends upon?Answer: All of the above When light enters from vacuum in to glass, its velocity?Answer: Decreases Classification of animals and plants is called?Answer: Taxonomy Very High Frequency (VHF) have __________ wavelengths?Answer: Shorter Force due to magnetic field and velocity is?Answer: At right angles to each other Which one of the following is not a conductor?Answer: All of these Running water is required for breeding of ______?Answer: Grass crap A male cat, when it is not neutered is referred to as ____?Answer: Tom The highest percentage of fat is present in which, organ of fish?Answer: Brain Sea water can be purified by the process of _____?Answer: Distillation In LPG the major component is _____?Answer: Butane Fathom is the unit of measurement of ______?Answer: Depth