🔬 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

Which of the following can be used for the conversion of ethyl alcohol into acetaldehyde?Answer: Dehydrogenation Which of the following types of organs are supposed to be functional in ancestral species rather than in present day speciesAnswer: Vestigial organs Cartilage is a type of which tissue?Answer: Connective tissue Which structure of prokaryotic cell wall plays the role of mitochondrion?Answer: Mesosomes Production of follicle-stimulating hormones (FSH) and Luteinizing Hormones (LH) from the pituitary gland of female is controlled by:Answer: Hypothalamus Virus is what type of agent?Answer: Infectious agent A chambered heart with a right systemic arch only is present in?Answer: Birds The solubility of carboxylic acid in water gradually decreases withAnswer: Decreases with molecular mass Metallic property in a group of P-block elements has a trend:Answer: Increases What is the reactivity state of Phenols?Answer: More reactive 7.6 grams of CS₂. is reacted with 12.8g of O₂ CS₂. + 3O₂ -------->CO₂ + 2SO₃ limiting reaction is:Answer: CS₂. Which functional group is characteristics of ester?Answer: R-CO-OR Excretion is Planaria takes place by?Answer: Protonephridia Cylosis and amoeboid are due to:Answer: Microfilaments Which type of bond must be broken for water to vaporize?Answer: Hydrogen bonds What is the IUPAC name of stearic acid?Answer: Octadecanoic acid All the following are disinfectants to control bacteria growth except:Answer: Potassium Permanganate Enteron is the characteristic feature of:Answer: Phylum Cnidaria Superoxide of Group I-A element (M) has the formula:Answer: MO₂ Which of the following reactions describes the ionic reaction of inorganic compounds?Answer: Very fast What is the oxidation number of Mn in K₂MnO₄?Answer: +6 What is the IUPAC name of alpha, beta-dimethyl valeric acid?Answer: 2,3-dimethyl pentanoic acid What is the common name of 1,2,3-propanetriol?Answer: Glycerol The _________describes how water-dissolved chemicals are carried through the cell wall and intercellular gaps of plantsAnswer: Apoplast Theory What is the mass of one proton?Answer: Equal to 1836 electron Which statement is true regarding both starch and cellulose?Answer: They are both polymers of glucose Which is the major event in the electron transport chain?Answer: ATP synthesis In the electrochemical series, what is the electrode potential of all metals above hydrogen?Answer: Negative The ligand, diethylene triamine is an example of:Answer: Tridentate Which of the following is used in baking?Answer: Anaerobic bacteria