{"common":{"save":0,"post_id":"9878","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8674","post_id":"9878","mon_id":"1159850","chapter_id":"1160280","question":"<p data-pm-slice=\"0 0 []\">C\u1eed \u0111\u1ed9ng nào sau \u0111ây mang tính ch\u1ea5t chu kì?<\/p>","options":["A. C\u1eed \u0111\u1ed9ng b\u1eaft m\u1ed3i \u1edf cây n\u1eafp \u1ea5m.","B. Khép lá \u1edf cây trinh n\u1eef khi ch\u1ea1m vào.","C. N\u1edf hoa \u1edf cây m\u01b0\u1eddi gi\u1edd. ","D. C\u1eed \u0111\u1ed9ng qu\u1ea5n vòng c\u1ee7a tua cu\u1ed1n cây m\u01b0\u1edbp khi ch\u1ea1m già"],"correct":"3","level":"2","hint":"<p>Xem xét c\u1eed \u0111\u1ed9ng có l\u1eb7p \u0111i l\u1eb7p l\u1ea1i theo chu k\u1ef3 th\u1eddi gian hay không<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#16a085;\"><strong>C. N\u1edf hoa \u1edf cây m\u01b0\u1eddi gi\u1edd.<\/strong><\/span><\/p><ul> <li data-end=\"202\" data-start=\"67\"><p data-end=\"202\" data-start=\"69\"><strong data-end=\"87\" data-start=\"69\">C\u1eed \u0111\u1ed9ng chu kì<\/strong>: di\u1ec5n ra l\u1eb7p l\u1ea1i theo chu kì ngày – \u0111êm, th\u01b0\u1eddng liên quan \u0111\u1ebfn \u0111\u1ed3ng h\u1ed3 sinh h\u1ecdc và s\u1ef1 thay \u0111\u1ed5i ánh sáng\/nhi\u1ec7t \u0111\u1ed9.<\/p><\/li> <li data-end=\"312\" data-start=\"203\"><p data-end=\"312\" data-start=\"205\">Cây <strong data-end=\"221\" data-start=\"209\">m\u01b0\u1eddi gi\u1edd<\/strong> n\u1edf hoa vào bu\u1ed5i sáng g\u1ea7n 10 gi\u1edd và c\u1ee5p l\u1ea1i sau \u0111ó → l\u1eb7p l\u1ea1i hàng ngày → <strong data-end=\"309\" data-start=\"294\">tính chu kì<\/strong>.<\/p><\/li> <li data-end=\"391\" data-start=\"313\"><p data-end=\"391\" data-start=\"315\"><strong data-end=\"320\" data-start=\"315\">A<\/strong> và <strong data-end=\"329\" data-start=\"324\">B<\/strong> là \u1ee9ng \u0111\u1ed9ng không sinh tr\u01b0\u1edfng, x\u1ea3y ra do tác nhân t\u1ee9c th\u1eddi.<\/p><\/li> <li data-end=\"465\" data-is-last-node=\"\" data-start=\"392\"><p data-end=\"465\" data-is-last-node=\"\" data-start=\"394\"><strong data-end=\"399\" data-start=\"394\">D<\/strong> là h\u01b0\u1edbng \u0111\u1ed9ng (qu\u1ea5n vòng tua cu\u1ed1n), không ph\u1ea3i v\u1eadn \u0111\u1ed9ng chu kì.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-08-09 19:17:27","option_type":"txt","len":3},{"id":"8675","post_id":"9878","mon_id":"1159850","chapter_id":"1160280","question":"<p data-pm-slice=\"0 0 []\">\u1ee8ng \u0111\u1ed9ng khác c\u01a1 b\u1ea3n v\u1edbi h\u01b0\u1edbng \u0111\u1ed9ng \u1edf \u0111\u1eb7c \u0111i\u1ec3m nào ?<\/p>","options":["A. Không liên quan \u0111\u1ebfn s\u1ef1 phân chia t\u1ebf bào.","B. Tác nhân kích thích không \u0111\u1ecbnh h\u01b0\u1edbng.","C. Có nhi\u1ec1u tác nhân kích thích. ","D. Có s\u1ef1 v\u1eadn \u0111\u1ed9ng vô h\u01b0\u1edbng"],"correct":"2","level":"2","hint":"<p>So sánh c\u01a1 ch\u1ebf sinh tr\u01b0\u1edfng (h\u01b0\u1edbng \u0111\u1ed9ng) và thay \u0111\u1ed5i t\u1ea1m th\u1eddi (\u1ee9ng \u0111\u1ed9ng).<\/p>","answer":"<p>\u0110áp án: <span style=\"color:#16a085;\"><strong>B. Tác nhân kích thích không \u0111\u1ecbnh h\u01b0\u1edbng.<\/strong><\/span><\/p><ul> <li data-end=\"218\" data-start=\"82\"><p data-end=\"218\" data-start=\"84\"><strong data-end=\"98\" data-start=\"84\">H\u01b0\u1edbng \u0111\u1ed9ng<\/strong>: ph\u1ea3n \u1ee9ng sinh tr\u01b0\u1edfng c\u1ee7a th\u1ef1c v\u1eadt <strong data-end=\"157\" data-start=\"134\">theo h\u01b0\u1edbng xác \u0111\u1ecbnh<\/strong> so v\u1edbi tác nhân kích thích (ví d\u1ee5: h\u01b0\u1edbng sáng, h\u01b0\u1edbng \u0111\u1ea5t).<\/p><\/li> <li data-end=\"438\" data-start=\"219\"><p data-end=\"438\" data-start=\"221\"><strong data-end=\"233\" data-start=\"221\">\u1ee8ng \u0111\u1ed9ng<\/strong>: ph\u1ea3n \u1ee9ng c\u1ee7a th\u1ef1c v\u1eadt <strong data-end=\"310\" data-start=\"257\">không ph\u1ee5 thu\u1ed9c vào h\u01b0\u1edbng c\u1ee7a tác nhân kích thích<\/strong>, ngh\u0129a là tác nhân có th\u1ec3 \u0111\u1ebfn t\u1eeb b\u1ea5t k\u1ef3 h\u01b0\u1edbng nào nh\u01b0ng ph\u1ea3n \u1ee9ng v\u1eabn x\u1ea3y ra theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh do c\u1ea5u trúc c\u1ee7a c\u01a1 quan.<\/p><\/li><\/ul>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-08-09 19:17:52","option_type":"txt","len":3},{"id":"8676","post_id":"9878","mon_id":"1159850","chapter_id":"1160280","question":"<p data-pm-slice=\"0 0 []\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ea3m \u1ee9ng \u1edf th\u1ef1c v\u1eadt là:<\/p>","options":["A. X\u1ea3y ra nhanh , d\u1ec5 nh\u1eadn th\u1ea5y.","B. X\u1ea3y ra ch\u1eadm , khó nh\u1eadn th\u1ea5y.","C. X\u1ea3y ra nhanh , khó nh\u1eadn th\u1ea5y. ","D. X\u1ea3y ra ch\u1eadm , d\u1ec5 nh\u1eadn th\u1ea5y."],"correct":"4","level":"2","hint":"<p>Nh\u1eadn di\u1ec7n các \u0111\u1eb7c \u0111i\u1ec3m chung: ph\u1ea3n \u1ee9ng c\u1ee7a sinh v\u1eadt tr\u01b0\u1edbc kích thích.<\/p>","answer":"<p>\u0110áp án:<strong> <span style=\"color:#16a085;\">D. X\u1ea3y ra ch\u1eadm , d\u1ec5 nh\u1eadn th\u1ea5y.<\/span><\/strong><\/p><ul> <li data-end=\"262\" data-start=\"71\"><p data-end=\"262\" data-start=\"73\">\u1ede th\u1ef1c v\u1eadt, ph\u1ea7n l\u1edbn các ph\u1ea3n \u1ee9ng c\u1ea3m \u1ee9ng liên quan \u0111\u1ebfn <strong data-end=\"144\" data-start=\"129\">sinh tr\u01b0\u1edfng<\/strong> (ví d\u1ee5: h\u01b0\u1edbng sáng, h\u01b0\u1edbng \u0111\u1ea5t), quá trình này di\u1ec5n ra <strong data-end=\"207\" data-start=\"199\">ch\u1eadm<\/strong> do ph\u1ee5 thu\u1ed9c vào s\u1ef1 phân chia và l\u1edbn lên c\u1ee7a t\u1ebf bào.<\/p><\/li> <li data-end=\"376\" data-start=\"263\"><p data-end=\"376\" data-start=\"265\">Tuy ch\u1eadm nh\u01b0ng các bi\u1ebfn \u0111\u1ed5i th\u01b0\u1eddng <strong data-end=\"311\" data-start=\"300\">rõ ràng<\/strong> (d\u1ec5 nh\u1eadn th\u1ea5y) khi quan sát trong m\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111\u1ee7 dài.<\/p><\/li><\/ul>\\n","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-08-09 19:18:25","option_type":"txt","len":2}]}