Quiz — 1.._examen-du-bac-seance-direct-2.pdf

Question 1 sur 10 20:00

[{"id":11043,"question":"Quelle est la formule de la vitesse moyenne ?","option_a":"v = d\/t","option_b":"v = t\/d","option_c":"v = d × t","option_d":"v = m\/d","option_e":"","option_f":"","bonne_reponse":"a","explication":"La vitesse moyenne se calcule avec la formule v = d\/t, où d est 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\": \"a\", \"options\": {\"a\": \"v = d\/t\", \"b\": \"v = t\/d\", \"c\": \"v = d × t\", \"d\": \"v = m\/d\"}}","_debug_options_count":4},{"id":11044,"question":"La photosynthèse se produit-elle 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":11045,"question":"Quel est le rôle principal des mitochondries dans la cellule ?","option_a":"Production d'énergie (ATP)","option_b":"Stockage des protéines","option_c":"Synthèse des lipides","option_d":"Digestion cellulaire","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les mitochondries sont les centrales énergétiques de la cellule, produisant de l'ATP par la respiration cellulaire.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Production d'énergie (ATP)\", \"b\": \"Stockage des protéines\", \"c\"","_debug_options_count":4},{"id":11046,"question":"L'ADN est-il une molécule simple ou double brin ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'ADN est une molécule double brin, composée de deux brins complémentaires enroulés en hélice.","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":11047,"question":"Quelle est l'unité de mesure de la force dans le système international ?","option_a":"Newton (N)","option_b":"Joule (J)","option_c":"Watt (W)","option_d":"Pascal (Pa)","option_e":"","option_f":"","bonne_reponse":"a","explication":"La force s'exprime en Newtons (N) dans 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\": \"a\", \"options\": {\"a\": \"Newton (N)\", \"b\": \"Joule (J)\", \"c\": \"Watt (W)\", \"d\": \"Pascal (Pa)","_debug_options_count":4},{"id":11048,"question":"Les enzymes sont-elles des catalyseurs biologiques ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les enzymes sont des protéines qui accélèrent les réactions chimiques dans les organismes vivants, agissant comme des catalyseurs biologiques.","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":11049,"question":"Quelle est la loi d'Ohm ?","option_a":"U = R × I","option_b":"P = U × I","option_c":"E = m × g × h","option_d":"F = m × a","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi d'Ohm s'exprime par 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\": \"U = R × I\", \"b\": \"P = U × I\", \"c\": \"E = m × g × h\", \"d\": \"F =","_debug_options_count":4},{"id":11050,"question":"La méiose produit-elle des cellules haploïdes ou diploïdes ?","option_a":"Haploïdes","option_b":"Diploïdes","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La méiose produit des cellules haploïdes, contenant la moitié du nombre de chromosomes de la cellule mère.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Haploïdes\", \"b\": \"Diploïdes\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":11051,"question":"Quel est le gaz produit lors de la respiration cellulaire ?","option_a":"Dioxyde de carbone (CO₂)","option_b":"Oxygène (O₂)","option_c":"Azote (N₂)","option_d":"Hydrogène (H₂)","option_e":"","option_f":"","bonne_reponse":"a","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\": \"a\", \"options\": {\"a\": \"Dioxyde de carbone (CO₂)\", \"b\": \"Oxygène (O₂)\", \"c\": \"Azote ","_debug_options_count":4},{"id":11052,"question":"Les ondes électromagnétiques se propagent-elles dans le vide ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Oui, les ondes électromagnétiques (comme la lumière) peuvent se propager dans le vide, contrairement aux ondes mécaniques.","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}]