Quiz — 6659dcc6e4a02_Epreuve N°5.PDF

Question 1 sur 10 20:00

[{"id":145725,"question":"Quel est le rôle principal de la chlorophylle dans les plantes ?","option_a":"A. Absorption de l'oxygène","option_b":"B. Absorption de la lumière","option_c":"C. Production de CO2","option_d":"D. Transport de l'eau","option_e":"","option_f":"","bonne_reponse":"b","explication":"La chlorophylle est un pigment qui absorbe principalement la lumière, essentielle pour 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\": \"A. Absorption de l'oxygène\", \"b\": \"B. Absorption de la lumière\"","_debug_options_count":4},{"id":145726,"question":"La loi d'Ohm s'applique uniquement aux conducteurs ohmiques.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"La loi d'Ohm s'applique uniquement aux conducteurs ohmiques, c'est-à-dire ceux dont la résistance est constante.","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":145727,"question":"Quelle est la formule chimique de l'eau ?","option_a":"A. H2O2","option_b":"B. CO2","option_c":"C. H2O","option_d":"D. NaCl","option_e":"","option_f":"","bonne_reponse":"c","explication":"La formule chimique de l'eau est H2O, composée de deux atomes d'hydrogène et d'un atome d'oxygène.","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. H2O2\", \"b\": \"B. CO2\", \"c\": \"C. H2O\", \"d\": \"D. NaCl\"}}","_debug_options_count":4},{"id":145728,"question":"Un mouvement est dit uniforme si sa vitesse est constante.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Un mouvement est dit uniforme lorsque sa vitesse est constante en direction, sens et valeur.","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":145729,"question":"Quelle est l'unité SI de la force ?","option_a":"A. Joule","option_b":"B. Newton","option_c":"C. Watt","option_d":"D. Pascal","option_e":"","option_f":"","bonne_reponse":"b","explication":"L'unité SI de la force est le Newton (N), du nom du physicien Isaac 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\": \"A. Joule\", \"b\": \"B. Newton\", \"c\": \"C. Watt\", \"d\": \"D. Pascal\"}}","_debug_options_count":4},{"id":145730,"question":"La photosynthèse se déroule dans les mitochondries.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La photosynthèse se déroule dans les chloroplastes, et non dans les mitochondries qui sont le siège de la respiration cellulaire.","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":145731,"question":"Quel est le symbole chimique de l'élément sodium ?","option_a":"A. S","option_b":"B. Na","option_c":"C. So","option_d":"D. Sn","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le symbole chimique du sodium est Na, du latin 'Natrium'.","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. S\", \"b\": \"B. Na\", \"c\": \"C. So\", \"d\": \"D. Sn\"}}","_debug_options_count":4},{"id":145732,"question":"La tension électrique se mesure avec un ampèremètre.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La tension électrique se mesure avec un voltmètre, tandis que l'ampèremètre mesure 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\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":145733,"question":"Quelle est la formule de la vitesse moyenne ?","option_a":"A. v = d × t","option_b":"B. v = d \/ t","option_c":"C. v = t \/ d","option_d":"D. v = a × t","option_e":"","option_f":"","bonne_reponse":"b","explication":"La vitesse moyenne est calculée par 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\": \"b\", \"options\": {\"a\": \"A. v = d × t\", \"b\": \"B. v = d \/ t\", \"c\": \"C. v = t \/ d\", \"d\": \"D","_debug_options_count":4},{"id":145734,"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 sont bien des catalyseurs biologiques, accélérant les réactions chimiques dans les organismes vivants.","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}]