Quiz — 238.._DS2-2-4 Sc+T-2020-Taki.pdf

Question 1 sur 10 20:00

[{"id":13263,"question":"Quel est le rôle principal des chloroplastes dans une cellule végétale ?","option_a":"A. Stocker l'énergie lumineuse","option_b":"B. Produire de l'oxygène","option_c":"C. Réaliser la photosynthèse","option_d":"D. Synthétiser des protéines","option_e":"","option_f":"","bonne_reponse":"c","explication":"Les chloroplastes contiennent de la chlorophylle et permettent la photosynthèse, processus par lequel la plante produit de l'énergie à partir de la lumière.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"A. Stocker l'énergie lumineuse\", \"b\": \"B. Produire de l'oxygène","_debug_options_count":4},{"id":13264,"question":"La tension électrique se mesure en :","option_a":"A. Ampères","option_b":"B. Volts","option_c":"C. Ohms","option_d":"D. Joules","option_e":"","option_f":"","bonne_reponse":"b","explication":"La tension électrique s'exprime en volts (V), symbole de l'unité de mesure.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"A. Ampères\", \"b\": \"B. Volts\", \"c\": \"C. Ohms\", \"d\": \"D. Joules\"}}","_debug_options_count":4},{"id":13265,"question":"Vrai ou Faux ? La photosynthèse a lieu 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 a donc lieu 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":13266,"question":"Quel gaz est libéré lors de la respiration cellulaire ?","option_a":"A. Oxygène","option_b":"B. Dioxyde de carbone","option_c":"C. Azote","option_d":"D. Hydrogène","option_e":"","option_f":"","bonne_reponse":"b","explication":"La respiration cellulaire produit du dioxyde de carbone (CO₂) comme déchet métabolique.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"A. Oxygène\", \"b\": \"B. Dioxyde de carbone\", \"c\": \"C. Azote\", \"d\":","_debug_options_count":4},{"id":13267,"question":"Vrai ou Faux ? Un circuit électrique en série a plusieurs chemins pour le courant.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"Dans un circuit en série, le courant ne suit qu'un seul chemin.","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":13268,"question":"Quelle est la formule chimique de l'eau ?","option_a":"A. CO₂","option_b":"B. H₂O","option_c":"C. O₂","option_d":"D. NaCl","option_e":"","option_f":"","bonne_reponse":"b","explication":"La formule chimique de l'eau est H₂O, composée de deux atomes d'hydrogène et un d'oxygène.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"A. CO₂\", \"b\": \"B. H₂O\", \"c\": \"C. O₂\", \"d\": \"D. NaCl\"}}","_debug_options_count":4},{"id":13269,"question":"Vrai ou Faux ? La gravité est une force qui attire les objets vers le centre de la Terre.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La gravité est bien une force qui attire les objets vers le centre de la Terre.","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":13270,"question":"Quel est le rôle des enzymes dans la digestion ?","option_a":"A. Absorber les nutriments","option_b":"B. Dégrader les aliments en molécules simples","option_c":"C. Stocker les graisses","option_d":"D. Produire de l'énergie","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les enzymes accélèrent les réactions chimiques de dégradation des aliments en molécules assimilables.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"A. Absorber les nutriments\", \"b\": \"B. Dégrader les aliments en m","_debug_options_count":4},{"id":13271,"question":"Vrai ou Faux ? Un matériau conducteur permet le passage du courant électrique.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un matériau conducteur, comme le cuivre, permet effectivement le passage du courant électrique.","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":13272,"question":"Quelle est l'unité de mesure de l'intensité du courant électrique ?","option_a":"A. Volt","option_b":"B. Ampère","option_c":"C. Ohm","option_d":"D. Watt","option_e":"","option_f":"","bonne_reponse":"b","explication":"L'intensité du courant électrique se mesure en ampères (A).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"A. Volt\", \"b\": \"B. Ampère\", \"c\": \"C. Ohm\", \"d\": \"D. Watt\"}}","_debug_options_count":4}]