🔬 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

Goiter is a disease caused by the insufficient amount of _____?Answer: Iodine Which one of the following is an example of analogous organs?Answer: Wings of bat and bird A chemical messenger from the embryo that apparently stimulates a seed to digest the endosperm is _____?Answer: Gibberellin What is the name of the event during gametogenesis when pieces of chromosomes may reunited at correct sites but with wrong ends?Answer: Inversion An amorphous mass of loosely arranged thin walled parenchyma cells developing from explant is called _____?Answer: Callus Phototropic curvature is the result of uneven distribution of ______?Answer: Auxin Which of these is not a living fossil?Answer: Archaeopteryx _____ is not a true amphibian animal.Answer: Tortoise The portion of the pigmented protein which is responsible for the absorption of light?Answer: Chromophore Who coined the term "Black Hole" in 1967?Answer: John Archibald Wheeler Which of the following characters is not typical to class Mammalia?Answer: Ten pairs of cranial nerves "Wax of ear" is produced by _____?Answer: Ceruminous glands In root modules of legumes, leg-haemoglobin is important because it ____?Answer: Transports oxygen to the root nodule Which method is NOT commonly used for transformation in plants?Answer: Natural selection Which among the following accurately defines "Mother-of-pearl"?Answer: Hard iridescent substance forming the inner layer of certain shells Mulberry silkworm is ______?Answer: Bombyx mori Which of the following is a technique used for cloning plants?Answer: Tissue culture Which of the following is pairs, is not correctly matched?Answer: Gibberellic acid-Leaf fall Plant use which substances as cheap osmoticum?Answer: Proline Swarm is a group of _______?Answer: Insects Photorespiration is phenomenon that occurs in the cycle?Answer: Glycolate Noise pollution/intensity is measured in ______?Answer: Decibels (dB) Which one of the following is a nitrogen fixing enzyme?Answer: None of these Venom gland in reptile are modified ______ gland.Answer: Salivary How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis?Answer: None of these A portion of tail is lost in some lizard it is called ______?Answer: Autonomy Amphibian have ______ skin.Answer: Moist Study of protozoa is ______?Answer: Protozoology Which of the following represents a homozygous genotype?Answer: AA The area of body towards tall of an animal is termed as ______?Answer: Caudal