General Science Questions (MCQs) for Competitive ExaminationsBy biplabsrk35@gmail.com / March 31, 2025 /30 0 votes, 0 avg 11 General Science Questions (MCQs) Table of Contents Toggle General Science Questions (MCQs) for Competitive ExaminationsWhich among the following is known as White Vitriol? General Science Questions (MCQs) for Competitive Examinations 1 / 30 1) Normally how many times the human heart beats in a minute? 1) 82 2) 85 3) 75 4) 72 2 / 30 2) The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of _____: 1) Coughing 2) Sneezing 3) Urination 4) A and B 3 / 30 3) A spore producing plant is ____: 1) Rose 2) Ginger 3) Bread mould 4) Potato 4 / 30 4) Which of the plant products is used in leather industry? 1) Resin 2) Latex 3) Mucilage 4) Tannin 5 / 30 5) Who among the following was the founder of vaccine for smallpox? 1) Barry Marshall 2) Aristotle 3) Edward Jenner 4) Robin Warren 6 / 30 6) Which of the following are flowerless plants that produce cones and seeds in which seeds are not encased within an ovary? 1) Hydrophytes 2) Gymnosperms 3) Bryophytes 4) Angiosperms 7 / 30 7) Which one of the following is not a true fish? 1) Eel 2) Shark 3) Seahorse 4) Starfish 8 / 30 8) Which among the following is known as White Vitriol? 1) Zinc Phosphate 2) Zinc Chloride 3) Zinc oxide 4) Zinc Sulphate 9 / 30 9) The deficiency of which nutrient causes night blindness? 1) Vitamin K 2) Vitamin C 3) Vitamin A 4) Proteins 10 / 30 10) The connective tissue that connects a muscle to a bone is _____: 1) Tendon 2) Cartilage 3) Ligament 4) Interstitial fluid 11 / 30 11) Which part of the brain is responsible for triggering actions like thinking, intelligence, memory and ability to learn? 1) Cerebrum 2) Hypothalamus 3) Diencephalon 4) Control 12 / 30 12) The yellow colour of urine is due to presence of ____: 1) Lymph 2) Cholesterol 3) Urochrome 4) Bile 13 / 30 13) Taxonomy is a science that deals with ____: 1) Economic uses 2) Anatomy 3) Morphology 4) Classification 14 / 30 14) The element involved with blood clotting is ____: 1) Iron 2) Phosphorus 3) Calcium 4) Sodium 15 / 30 15) In the grass lands, trees do not replace the grasses as a part of an ecological succession because of ____: 1) None of the above 2) Limited sun light and paucity of nutrients 3) Water limits and fire 4) Insect and fungi 16 / 30 16) The connective tissue that connects a muscle to a bone is _____: 1) Cartilage 2) Tendon 3) Interstitial fluid 4) Ligament 17 / 30 17) Vitamin C is also known as ____: 1) Acetic acid 2) Ascorbic acid 3) Azelaic acid 4) Amino acid 18 / 30 18) BT seed is associated with ____: 1) Wheat 2) Rice 3) Oil seeds 4) Cotton 19 / 30 19) Amoeba belongs to which of the following kingdom? 1) Animalia 2) Protista 3) Fungi 4) Monera 20 / 30 20) The process of photosynthesis involves conversion of ____: 1) Mechanical energy into solar energy 2) Chemical energy into mechanical energy 3) Chemical energy into radiant energy 4) Solar energy into chemical energy 21 / 30 21) The edible part of an onion is ____: 1) Aerial flower 2) Aerial stem 3) Fleshy leaves 4) Modified root 22 / 30 22) Which one of the following statements about Pyrolysis, which is a process for solid waste treatment is incorrect? 1) It is a thermochemical decomposition of organic waste 2) The process occurs at a temperature above 430°C at atmospheric pressure 3) The process occurs under high pressure at temperature above 430° C 4) It converts the waste into solid, liquid and gas of which the resultant liquid and gas can be used to produce energy 23 / 30 23) The process through which excess of light energy is dissipated in photosynthesis is known as _____: 1) Photolysis 2) Photophosphorylation 3) Quenching 4) Scavenging 24 / 30 24) Proteins are digested by _____: 1) Proteases 2) Nucleases 3) Lipases 4) Amylases 25 / 30 25) Which of the following human gland produces Insulin? 1) Liver 2) Pituitary Gland 3) Spleen 4) Pancreas 26 / 30 26) Bile is produced by the ____: 1) Pancreas 2) Duodenum 3) Stomach 4) Liver 27 / 30 27) An ant can see the objects all around it due to the presence of ____: 1) Compound eyes 2) Eyes over the head 3) Well-developed eyes 4) Simple Eyes 28 / 30 28) An enzyme produced by HIV that allows the integration of HIV DNA into the host cells DNA is ____: 1) Ligase 2) Integrase 3) Helicase 4) DNA gyrase 29 / 30 29) The colour change in the Chameleon is due to the presence of ____: 1) Pneumatophore 2) Chlorophyll 3) Haemoglobin 4) Chromatophore 30 / 30 30) The ____ helps in equalising the pressure on either sides of the eardrum: 1) Incus 2) Eustachian tube 3) Cochlear nerve 4) Malleus NamePhone Number Your score isThe average score is 36% 0% Restart quiz
