Quiz — Lycée Pilote Bizerte - DC 2 2020.pdf

Question 1 sur 10 20:00

[{"id":16479,"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 = m × a","option_e":"","option_f":"","bonne_reponse":"b","explication":"La vitesse est calculée en divisant la distance parcourue (d) par le temps (t).","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 = m × a","_debug_options_count":4},{"id":16480,"question":"Le pH d'une solution acide est toujours inférieur à 7.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un pH inférieur à 7 indique une solution acide, donc l'affirmation est vraie.","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":16481,"question":"Quel est le rôle des chloroplastes dans une cellule végétale ?","option_a":"Stockage de l'énergie","option_b":"Photosynthèse","option_c":"Production d'ADN","option_d":"Transport des nutriments","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les chloroplastes contiennent de la chlorophylle et permettent la photosynthèse.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Stockage de l'énergie\", \"b\": \"Photosynthèse\", \"c\": \"Production ","_debug_options_count":4},{"id":16482,"question":"La loi d'Ohm s'exprime par la formule :","option_a":"U = R × I","option_b":"P = U × I","option_c":"F = m × a","option_d":"E = m × c²","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi d'Ohm relie la tension (U), la résistance (R) et 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\": \"U = R × I\", \"b\": \"P = U × I\", \"c\": \"F = m × a\", \"d\": \"E = m ×","_debug_options_count":4},{"id":16483,"question":"Les enzymes sont des catalyseurs biologiques.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Les enzymes accélèrent les réactions chimiques dans les organismes vivants, donc l'affirmation est vraie.","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":16484,"question":"Quelle est l'unité de mesure de la force en physique ?","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 se mesure en Newtons (N) dans le système international.","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":16485,"question":"La respiration cellulaire produit de l'oxygène.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La respiration cellulaire consomme de l'oxygène et produit du CO₂, donc l'affirmation est fausse.","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":16486,"question":"Quel est le symbole chimique de l'oxygène ?","option_a":"Ox","option_b":"O","option_c":"O₂","option_d":"H₂O","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le symbole chimique de l'oxygène est O.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Ox\", \"b\": \"O\", \"c\": \"O₂\", \"d\": \"H₂O\"}}","_debug_options_count":4},{"id":16487,"question":"La pression atmosphérique diminue avec l'altitude.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La pression atmosphérique diminue effectivement avec l'altitude, donc l'affirmation est vraie.","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":16488,"question":"Quelle est la formule chimique de l'eau ?","option_a":"CO₂","option_b":"H₂O","option_c":"NaCl","option_d":"CH₄","option_e":"","option_f":"","bonne_reponse":"b","explication":"La formule 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\": \"CO₂\", \"b\": \"H₂O\", \"c\": \"NaCl\", \"d\": \"CH₄\"}}","_debug_options_count":4}]