General Science MCQ Questions For Competitive exams
Test Paper 15
Learn General science questions for competitive exams NCERT MCQ
1. Plants can prepare their food bya) Waterb) carbon dioxidec) Mineralsd) All the above d) All the above
2. Which are major sources for living organism to build their bodya) Foodb) Oxygenc) Nutrientsd) All the above c) Nutrients3. Autotrophic meansa) Organisms make food themselves with complex substanceb) Organisms make food themselves with simple substancec) Organisms make food themselves with simple and complex substanced) None b) Organisms make food themselves with simple substance
4. Plants area) Autotrophsb) Heterotrophsc) Bothd) None a) Autotrophs
5. Animals area) Autotrophsb) Heterotrophsc) Bothd) None b) Heterotrophs
Note: Autrotrophs: Prepares own food, Heterotrops: Organisms which take ready made food prepared by plants
6. Which part of the plant is known as food factories of planta) Rootb) Stemc) Leavesd) Flowersc) Leaves7. Tiny Pores present in leaves are surrounded by guard cell are called asa) Cytoplasmb) Stomatac) Chlorophylld) None b) Stomata8. Living organisms are made of units ofa) Cellsb) Nucleusc) Cytoplasmd) Nonea) Cells9. Single Cell is enclosed by thin outer boundary called ?a) Cytoplasmb) Nucleusc) Cell Membraned) Nonec) Cell Membrane10. Nucleus is surrounded by jelly like substance calleda) Cytoplasmb) Nucleusc) Cell Membraned) Nonea) Cytoplasm11. Leaves are in green color because of having green pigment calleda) Cytoplasmb) Chlorophyllc) Chloropasted) None b) Chlorophyll12. During Photo synthesis process, which gas is released ?a) CO2b) O2c) COd) Both CO2 and O2 b) O213. Algea is in green color because ?a) Green layerb) Green color leavesc) Chlorophylld) None b) Chlorophyll14. Carbohydrates are made by ?a) Carbon dioxide, Hydrogen and Oxygenb) Carbon, Hydrogen and Oxygen c) Carbon monoxide, Hydrogen and Oxygend) None b) Carbon, Hydrogen and Oxygen15. Plants can not absorb which of the following gaseous forma) Carbon dioxideb) Nitrogenc) Bothd) None b) Nitrogen16. Plants eats Insects, which are called asa) Insect Plantsb) Hetrotrophic plantsc) Insectivorous plantsd) None b) Insectivorous plants17. Hetrotrophic plants are mainly divided into 4 types, which are ?a) 1. Parasites plants 2. Saprophytes plants 3. Symbionts plants 4. Insectivorous Plants.b) 1. Parasites plants 2. Saprophytes plants 3. Symbionts 4. Insect Plants.c) 1. Parasites plants 2. Saprophytes plants 3. Sym plants 4. Insectivorous Plants.d) Nonea) 1. Parasites plants 2. Saprophytes plants 3. Symbionts plants 4. Insectivorous Plants.18. Examples of Parasites plantsa) Cuscuta (Amarbel)b) Dodderc) Orobanched) All the above b) All the above19. Saprotrophs, which grow and live on dead and decaying organic matter of animals and plant, examples are ?a) Monotropab) Rhizopusc) Agaricusd) All the above b) All the above
Notes: Some example of Saprotrophs: Mucor, Yeast,
20. Symbionts plants are ?a) Plants live on other plants which mutual benefit to each otherb) Plants live on other plants and kills other plantsc) Plants which takes water from leavesd) None b) Plants live on other plants which mutual benefit to each other21. Examples of Sarprotrophs Plants ?a) Lichensb) Mycorrhizac) Bothd) Ginger plantc) Both22. Which Bacterium converts Nitrogen into soluble forma) Lachesb) Rhizosc) Rhizobiumd) Rhizobian Bacteria b) Rhizobium23. Leguemious plants examples ?a) Peasb) beans,c) peanuts d) All the aboved) All the above24. Breakdown of complex components of food into simple substance is called as ?a) Digestionb) Ingestionc) Breakdown processd) Photo synthesis b) Digestion25. Alimentary canal consist of ?a) Buccal Cavityb) Oesophagusc) Stomachd) All the aboved) All the above
Note: It Consist of various components called Buccal Cavity, Oesophagus, Stomach, Small Intestine, Large intestine, Anus
26. Process of taking food into the body is known asa) Digestionb) Ingestionc) Bothd) None b) Ingestion27. Arrangement of human teetha) 8 Incisors, 4 Canines, 8 Premolars, 8 Molars and 4 third molars b) 4 Incisors, 4 Canines, 8 Premolars, 8 Molars and 8 third molarsc) 8 Incisors, 8 Canines, 8 Premolars, 4 Molars and 4 third molarsd) 8 Incisors, 4 Canines, 4 Premolars, 8 Molars and 8 third molarsa) 8 Incisors, 4 Canines, 8 Premolars, 8 Molars and 4 third molars28. food pipe in humans called asa) Stomach pipeb) alimentary pipec) Alimentary canald) Oesophagus b) Oesophagus29. Inner lining of stomach secretesa) Muscousb) Hydrochrloric acidc) Bothd) Gastric Acidc) Both30. Small Intestine is about length ofa) 2.5 metersb) 3 metersc) 2 metersd) 7.5 meters b) 7.5 meters31. Largest gland of the body ?a) Tongueb) Liverc) Bothd) None b) Liver32. Liver secrets __________ juices ?a) Bile Juicesb) Acidsc) Bothd) None b) Bile Juices33. Which of the following plays a major role in digestions of fats ?a) Bile Juicesb) Hydrochrloric acidc) Bothd) None b) Bile Juices34. In digestion processa) Carbohydrates brakes into glucoseb) Fats breaks into fatty acids and Glycerolc) Proteins into amino acidsd) All the aboved) All the above35 . Small Intestine contains finger like outgrowths calleda) Villib) Cellsc) Glandsd) All the abovea) Velli36. Velli helps ina) decrease surface area for absorption of digested foodb) Increases surface area for absorption of digested foodc) Bothd) None b) Increases surface area for absorption of digested food37. assimilation means ?a) Absorption of digested food molecules into cells in the bodyb) digestions food molecules into cells in the bodyc) Ingestion of digested food molecules into cells in the bodyd ) Movement of digested food molecules into cells in the bodyd) Movement of digested food molecules into cells in the body38. Large intestine is about ?a) 2.5 metersb) 3 metersc) 1.5 metersd) 7.5 meters b) 1.5 meters39. Large Intestine helps in ?a) Digestion of foodb) Absorbs water and salts from undigested foodc) Absorbs water and salts from digested foodd) None b) Absorbs water and salts from undigested food40. Cows and Buffaloes stores food in ?a) Stomachb) Small Intestinec) Large Intestined) Rumend) Rumen41. Grass is rich in ?a) Celluloseb) Glucosec) Bothd) Nonea) Cellulose42. Amoeba is ?a) Multi celled organismb) Single celled organism c) Double celled organismd) None b) Single celled organism43. Nutrition is process which consists ofa) Ingestionb) Digestionc) Absorptiond) All the aboved) All the above
Note: and also assimilation and egestion
44. Ameoba ingests/takes food througha) Mouthb) Cellsc) Pseudopodiad) Al the above b) Pseudopodia45. Grazing animals are called asa) Ruminsb) Ruminantsc) Rumend) All the above b) Ruminants46. Digestion of carbohydrates like starch begins in ?a) Stomachb) Tonguec) Buccal cavityd) All the abovec) Buccal cavity47. Digestion of Proteins begins ina) Stomachb) Tonguec) Buccal cavityd) All the abovea) Stomach48. Break down of food using oxygen is called ?a) Anaerobic respirationb) Aerobic respirationc) Bothd) None b) Aerobic respiration48. Break down of food without using oxygen is called ?a) Anaerobic respirationb) Aerobic respirationc) Bothd) Nonea) Anaerobic respiration50. During Inhalation, Lungs ?a) Contractsb) Expandsc) Bothd) None b) ExpandsLearn MoreLink 1 - Physics | Biology | Indian History | T-History MCQ Questions Test papersLink 2 - Buy/Downlaod Physics MCQ Bit Bank eBookLink 3 - Free eBooks For Competitive ExamsLink 4 - Top Books for Competitive ExamsLink 5 - Download Quantitative and Aptitude Competitive ExamsFor Complete GK/GS - Click Here
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