Quiz — 1520897979.pdf

Question 1 sur 10 20:00

[{"id":80639,"question":"Quelle est la formule de la vitesse moyenne en physique ?","option_a":"v = d\/t","option_b":"v = t\/d","option_c":"v = d × t","option_d":"v = d + t","option_e":"","option_f":"","bonne_reponse":"a","explication":"La vitesse moyenne se calcule par le rapport de la distance parcourue (d) sur le temps écoulé (t).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"v = d\/t\", \"b\": \"v = t\/d\", \"c\": \"v = d × t\", \"d\": \"v = d + t\"}}","_debug_options_count":4},{"id":80640,"question":"En mathématiques, la dérivée de x² est égale à 2x.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La dérivée de x² est bien 2x, d'après la règle de dérivation des fonctions polynômes.","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":80641,"question":"Quel est le théorème de Pythagore ?","option_a":"a² = b² + c²","option_b":"a² + b² = c²","option_c":"a + b = c","option_d":"a² × b² = c²","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le théorème de Pythagore stipule que dans un triangle rectangle, le carré de l'hypoténuse (c) est égal à la somme des carrés des deux autres côtés (a et b).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"a² = b² + c²\", \"b\": \"a² + b² = c²\", \"c\": \"a + b = c\", \"d\": ","_debug_options_count":4},{"id":80642,"question":"La photosynthèse se produit uniquement la nuit.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La photosynthèse nécessite de la lumière, elle se produit donc principalement le jour.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":80643,"question":"Quelle est l'unité de mesure de l'intensité électrique ?","option_a":"Volt (V)","option_b":"Ampère (A)","option_c":"Ohm (Ω)","option_d":"Watt (W)","option_e":"","option_f":"","bonne_reponse":"b","explication":"L'intensité électrique se mesure en Ampères (A), d'après le système international d'unités.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Volt (V)\", \"b\": \"Ampère (A)\", \"c\": \"Ohm (Ω)\", \"d\": \"Watt (W)\"}}","_debug_options_count":4},{"id":80644,"question":"En chimie, l'équation de neutralisation d'un acide par une base est : acide + base → sel + eau.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Cette équation est correcte et représente la réaction de neutralisation entre un acide et une base.","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":80645,"question":"Quel est le résultat de l'opération 5 × (3 + 2) ?","option_a":"25","option_b":"11","option_c":"20","option_d":"15","option_e":"","option_f":"","bonne_reponse":"a","explication":"Selon les règles de priorité des opérations, on calcule d'abord la parenthèse : 3 + 2 = 5, puis 5 × 5 = 25.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"25\", \"b\": \"11\", \"c\": \"20\", \"d\": \"15\"}}","_debug_options_count":4},{"id":80646,"question":"En biologie, les mitochondries sont 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":"Les mitochondries sont effectivement les organites cellulaires qui produisent l'énergie sous forme d'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":80647,"question":"Quelle est la capitale de la Tunisie ?","option_a":"Sousse","option_b":"Tunis","option_c":"Sfax","option_d":"Bizerte","option_e":"","option_f":"","bonne_reponse":"b","explication":"La capitale de la Tunisie est Tunis, située dans le nord du pays.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Sousse\", \"b\": \"Tunis\", \"c\": \"Sfax\", \"d\": \"Bizerte\"}}","_debug_options_count":4},{"id":80648,"question":"En algèbre, l'équation x + 5 = 10 a pour solution x = 5.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La solution de l'équation x + 5 = 10 est x = 5, car 5 + 5 = 10.","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}]