Quiz — 4. Sc-Devoir de controle 1-octobre -2019..pdf

Question 1 sur 10 20:00

[{"id":5086,"question":"Quelle est la formule chimique de l'eau ?","option_a":"H2O","option_b":"CO2","option_c":"O2","option_d":"NaCl","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule chimique de l'eau est H2O, composée de deux atomes d'hydrogène et d'un atome d'oxygène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"H2O\", \"b\": \"CO2\", \"c\": \"O2\", \"d\": \"NaCl\"}}","_debug_options_count":4},{"id":5087,"question":"La photosynthèse permet aux plantes de produire de l'oxygène.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Vrai. La photosynthèse est le processus par lequel les plantes produisent de l'oxygène à partir de dioxyde de carbone et de lumière.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":5088,"question":"Quelle est la loi de la gravitation universelle formulée par Newton ?","option_a":"F = m × a","option_b":"F = G × (m1 × m2) \/ d²","option_c":"E = m × c²","option_d":"PV = nRT","option_e":"","option_f":"","bonne_reponse":"b","explication":"La loi de la gravitation universelle est F = G × (m1 × m2) \/ d², où F est la force gravitationnelle, G la constante gravitationnelle, m1 et m2 les masses des objets, et d la distance entre eux.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"F = m × a\", \"b\": \"F = G × (m1 × m2) \/ d²\", \"c\": \"E = m × c²","_debug_options_count":4},{"id":5089,"question":"Un atome est composé de protons, neutrons et électrons. Le nombre de protons détermine l'élément chimique.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Vrai. Le nombre de protons dans un atome (numéro atomique) détermine son élément chimique.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":5090,"question":"Quelle est l'unité de mesure de la force dans le système international (SI) ?","option_a":"Newton (N)","option_b":"Joule (J)","option_c":"Watt (W)","option_d":"Pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'unité de mesure de la force dans le système international est le Newton (N), en hommage à Isaac Newton.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Newton (N)\", \"b\": \"Joule (J)\", \"c\": \"Watt (W)\", \"d\": \"Pascal (Pa)","_debug_options_count":4},{"id":5091,"question":"La respiration cellulaire produit de l'énergie sous forme d'ATP.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Vrai. La respiration cellulaire est le processus par lequel les cellules produisent de l'énergie sous forme d'ATP à partir de glucose et d'oxygène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":5092,"question":"Quelle est la formule de la vitesse en physique ?","option_a":"v = d × t","option_b":"v = d \/ t","option_c":"v = t \/ d","option_d":"v = a × t","option_e":"","option_f":"","bonne_reponse":"b","explication":"La formule de la vitesse est v = d \/ t, où v est la vitesse, d la distance parcourue et t le temps écoulé.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"v = d × t\", \"b\": \"v = d \/ t\", \"c\": \"v = t \/ d\", \"d\": \"v = a × t","_debug_options_count":4},{"id":5093,"question":"Les mitochondries sont les organites responsables de la production d'énergie dans la cellule.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Vrai. Les mitochondries sont souvent appelées les 'centrales énergétiques' de la cellule car elles produisent de l'ATP.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":5094,"question":"Quelle est la réaction chimique de combustion complète du méthane (CH4) ?","option_a":"CH4 + 2O2 → CO2 + 2H2O","option_b":"CH4 + O2 → CO + H2O","option_c":"CH4 + H2O → CO2 + H2","option_d":"CH4 → C + 2H2","option_e":"","option_f":"","bonne_reponse":"a","explication":"La combustion complète du méthane produit du dioxyde de carbone (CO2) et de l'eau (H2O), selon l'équation : CH4 + 2O2 → CO2 + 2H2O.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"CH4 + 2O2 → CO2 + 2H2O\", \"b\": \"CH4 + O2 → CO + H2O\", \"c\": \"CH","_debug_options_count":4},{"id":5095,"question":"L'ADN est une molécule qui contient l'information génétique des êtres vivants.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Vrai. L'ADN (acide désoxyribonucléique) est la molécule qui porte l'information génétique dans toutes les cellules vivantes.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]