Quiz — Lycée Pilote Sfax - DC 1 2016.pdf

Question 1 sur 10 20:00

[{"id":6036,"question":"Quelle est l'unité de mesure de la vitesse dans le système international (SI) ?","option_a":"m\/s","option_b":"km\/h","option_c":"N\/m","option_d":"J\/s","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'unité de mesure de la vitesse dans le SI est le mètre par seconde (m\/s).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"m\/s\", \"b\": \"km\/h\", \"c\": \"N\/m\", \"d\": \"J\/s\"}}","_debug_options_count":4},{"id":6037,"question":"La formule de la densité est ρ = m\/V. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La formule ρ = m\/V est correcte : la densité (ρ) est égale à la masse (m) divisée par le volume (V).","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":6038,"question":"Quel gaz est responsable de l'effet de serre ?","option_a":"Oxygène (O₂)","option_b":"Dioxyde de carbone (CO₂)","option_c":"Azote (N₂)","option_d":"Hydrogène (H₂)","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le dioxyde de carbone (CO₂) est le principal gaz responsable de l'effet de serre.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Oxygène (O₂)\", \"b\": \"Dioxyde de carbone (CO₂)\", \"c\": \"Azote ","_debug_options_count":4},{"id":6039,"question":"La photosynthèse permet aux plantes de produire :","option_a":"Du dioxygène (O₂)","option_b":"Du dioxyde de carbone (CO₂)","option_c":"Du glucose (C₆H₁₂O₆)","option_d":"De l'azote (N₂)","option_e":"","option_f":"","bonne_reponse":"c","explication":"La photosynthèse permet aux plantes de produire du glucose (C₆H₁₂O₆) à partir de dioxyde de carbone et d'eau.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Du dioxygène (O₂)\", \"b\": \"Du dioxyde de carbone (CO₂)\", \"c\":","_debug_options_count":4},{"id":6040,"question":"La loi d'Ohm s'écrit U = R × I. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi d'Ohm s'écrit bien U = R × I, où U est la tension, R la résistance et I l'intensité du courant.","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":6041,"question":"Quel est le symbole chimique de l'eau ?","option_a":"O₂","option_b":"H₂O","option_c":"CO₂","option_d":"N₂","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le symbole chimique de l'eau est H₂O.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"O₂\", \"b\": \"H₂O\", \"c\": \"CO₂\", \"d\": \"N₂\"}}","_debug_options_count":4},{"id":6042,"question":"La force de gravitation entre deux objets dépend de :","option_a":"Leur couleur","option_b":"Leur masse et leur distance","option_c":"Leur température","option_d":"Leur forme","option_e":"","option_f":"","bonne_reponse":"b","explication":"La force de gravitation dépend de la masse des objets et de la distance qui les sépare (loi de Newton).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Leur couleur\", \"b\": \"Leur masse et leur distance\", \"c\": \"Leur tem","_debug_options_count":4},{"id":6043,"question":"Un atome est électriquement neutre. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un atome est électriquement neutre car il contient autant de protons (chargés positivement) que d'électrons (chargés négativement).","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":6044,"question":"Quel est le rôle principal des chloroplastes dans une cellule végétale ?","option_a":"Stocker l'énergie","option_b":"Produire de l'oxygène","option_c":"Effectuer la photosynthèse","option_d":"Synthétiser des protéines","option_e":"","option_f":"","bonne_reponse":"c","explication":"Les chloroplastes sont les organites responsables de la photosynthèse dans les cellules végétales.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"Stocker l'énergie\", \"b\": \"Produire de l'oxygène\", \"c\": \"Effectu","_debug_options_count":4},{"id":6045,"question":"La tension aux bornes d'un conducteur ohmique est proportionnelle à l'intensité du courant qui le traverse. Vrai ou Faux ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"C'est la loi d'Ohm : la tension U est proportionnelle à l'intensité I (U = R × I).","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}]