Thực hành: Chứng minh quang hợp ở cây xanh

Home Lớp 7 Khoa học tự nhiên 7 - Sách kết nối tri thức Bài 24: Thực hành: Chứng minh quang hợp ở cây xanhBài tập trung bình

{"common":{"save":0,"post_id":"6512","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10284","post_id":"6512","mon_id":"1158852","chapter_id":"1158911","question":"Trong thí nghi\u1ec7m ch\u1ee9ng minh tinh b\u1ed9t \u0111\u01b0\u1ee3c t\u1ea1o thành trong quang h\u1ee3p, m\u1ee5c \u0111ích c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng gi\u1ea5y \u0111en b\u1ecbt kín m\u1ed9t ph\u1ea7n \u1edf c\u1ea3 hai m\u1eb7t lá là gì ?<\/p>","options":["A. <\/strong>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n nh\u1eadn \u0111\u01b0\u1ee3c ánh sáng khác nhau \u1edf các ph\u1ea7n c\u1ee7a lá.","B. <\/strong>Gi\u1ea3m thoát h\u01a1i n\u01b0\u1edbc qua lá \u1edf ph\u1ea7n b\u1ecb b\u1ecbt kín.","C.<\/strong> \u0110ánh d\u1ea5u lá \u0111\u01b0\u1ee3c dùng làm thí nghi\u1ec7m.","D. <\/strong>T\u1ea1o \u0111i\u1ec1u ki\u1ec7n nh\u1eadn \u0111\u01b0\u1ee3c khí carbon dioxide khác nhau \u1edf các ph\u1ea7n c\u1ee7a lá"],"correct":"1","level":"2","hint":"Trong thí nghi\u1ec7m ch\u1ee9ng minh tinh b\u1ed9t \u0111\u01b0\u1ee3c t\u1ea1o thành trong quang h\u1ee3p, m\u1ee5c \u0111ích c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng gi\u1ea5y \u0111en b\u1ecbt kín m\u1ed9t ph\u1ea7n \u1edf c\u1ea3 hai m\u1eb7t lá là: t\u1ea1o \u0111i\u1ec1u ki\u1ec7n nh\u1eadn \u0111\u01b0\u1ee3c ánh sáng khác nhau \u1edf các ph\u1ea7n c\u1ee7a lá.<\/p>","answer":"\u0110áp án \u0111úng: A. T\u1ea1o \u0111i\u1ec1u ki\u1ec7n nh\u1eadn \u0111\u01b0\u1ee3c ánh sáng khác nhau \u1edf các ph\u1ea7n c\u1ee7a lá.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"149","test":"0","date":"2023-06-19 09:12:32","option_type":"txt","len":3},{"id":"10285","post_id":"6512","mon_id":"1158852","chapter_id":"1158911","question":"Trong thí nghi\u1ec7m ch\u1ee9ng minh tinh b\u1ed9t \u0111\u01b0\u1ee3c t\u1ea1o thành trong quang h\u1ee3p, m\u1ee5c \u0111ích c\u1ee7a vi\u1ec7c \u0111un cách th\u1ee7y lá cây thí nghi\u1ec7m b\u1eb1ng c\u1ed3n 90 \u0111\u1ed9 là gì ?<\/p>","options":["A. <\/strong>T\u1ea9y h\u1ebft ch\u1ea5t di\u1ec7p l\u1ee5c ra kh\u1ecfi lá.","B. <\/strong>Kh\u1eed trùng cho lá.","C. <\/strong>Giúp \u0111\u1ecbnh hình lá d\u1ec5 dàng h\u01a1n khi làm thí nghi\u1ec7m.","D.<\/strong> Gi\u1eef cho lá không b\u1ecb phân h\u1ee7y khi \u0111un."],"correct":"1","level":"2","hint":"Trong thí nghi\u1ec7m ch\u1ee9ng minh tinh b\u1ed9t \u0111\u01b0\u1ee3c t\u1ea1o thành trong quang h\u1ee3p, m\u1ee5c \u0111ích c\u1ee7a vi\u1ec7c \u0111un cách th\u1ee7y lá cây thí nghi\u1ec7m b\u1eb1ng c\u1ed3n 90 \u0111\u1ed9 là: t\u1ea9y h\u1ebft ch\u1ea5t di\u1ec7p l\u1ee5c ra kh\u1ecfi lá.<\/p>","answer":"\u0110áp án \u0111úng:  A. T\u1ea9y h\u1ebft ch\u1ea5t di\u1ec7p l\u1ee5c ra kh\u1ecfi lá.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"149","test":"0","date":"2023-06-19 09:16:08","option_type":"txt","len":3},{"id":"10286","post_id":"6512","mon_id":"1158852","chapter_id":"1158911","question":"Trong thí nghi\u1ec7m ch\u1ee9ng minh quang h\u1ee3p gi\u1ea3i phóng khí oxygen, \u0111i\u1ec1u ki\u1ec7n ti\u1ebfn hành thí nghi\u1ec7m \u1edf hai c\u1ed1c khác nhau nh\u01b0 th\u1ebf nào ?<\/p>","options":["A.<\/strong> C\u1ed1c A không \u0111\u01b0\u1ee3c chi\u1ebfu sáng, c\u1ed1c B \u0111\u01b0\u1ee3c chi\u1ebfu ánh sáng.","B.<\/strong> C\u1ea3 c\u1ed1c A, B không \u0111\u01b0\u1ee3c chi\u1ebfu sáng","C.<\/strong> C\u1ea3 c\u1ed1c A, B \u0111\u01b0\u1ee3c chi\u1ebfu sáng","D.<\/strong> Không có s\u1ef1 khác nhau gi\u1eefa 2 c\u1ed1c"],"correct":"1","level":"2","hint":"\u0110i\u1ec1u ki\u1ec7n ti\u1ebfn hành thí nghi\u1ec7m \u1edf hai c\u1ed1c khác nhau là:  C\u1ed1c A không \u0111\u01b0\u1ee3c chi\u1ebfu sáng, c\u1ed1c B \u0111\u01b0\u1ee3c chi\u1ebfu ánh sáng.<\/p>","answer":"\u0110áp án \u0111úng:  A. C\u1ed1c A không \u0111\u01b0\u1ee3c chi\u1ebfu sáng, c\u1ed1c B \u0111\u01b0\u1ee3c chi\u1ebfu ánh sáng.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"149","test":"0","date":"2023-06-19 09:18:06","option_type":"txt","len":3}]}