問題詳情
35.活動中以魚尾鰭作為觀察部位的主要原因為何?
(A)血流量較大
(B)血管較粗大
(C)血管較靠近體表,易於觀察
(D)血液顏色較鮮豔,易於觀察。
(A)血流量較大
(B)血管較粗大
(C)血管較靠近體表,易於觀察
(D)血液顏色較鮮豔,易於觀察。
參考答案
無參考答案
內容推薦
- 【題組】將甲量筒内的植物莖橫切，置於顯微鏡下觀察,如右上圖。請問莖的横切面中,哪一部分的組織會呈現紅色? (A)甲(B)乙(C)丙(D)丁。
- 將兩株植物分別插人甲、乙量筒内，量筒内含等量的紅色溶液,如附圖所示，再將兩量筒放置在通風處照光。試回答下列問題:【題組】本活動可驗證以下哪一假設?(A)植物行光合作用需要光(B)植物行光合作用的
- 【題組】為何乙試管要放入煮沸後的唾液呢?(A)因為唾液中的酵素遇到高溫活性會變大(B)因為高溫會破壞唾液中酵素活性,可以和甲試管做對照(C)能加快和碘液之間的反應(D)因為能促進澱粉的分解。
- 小藍將甲、乙、丙三試管内容物裝妥,並置於裝有溫水的保麗龍盒中40分鐘後,各加一滴碘液於試管中， 其實驗處理及結果如附表。試回答下列問題: 【題組】此實驗結果可支持下列哪一項敘述?(A)唾液中含有
- 【題組】有關澱粉、蛋白質和脂質三種養分消化的敘述,哪一個正確?(A)脂質的消化和乙、丙、庚所分泌的消化液有關(B)蛋白質的消化和丙、己、辛所分泌的消化液有關(C)澱粉的消化和戊、庚、辛所分泌的消
- 附圖為人體的消化系統圖,試根據此圖回答下列問題:【題組】有關人體消化器官的敘述,下列何者正確?(A)乙負責食物的推進,不會產生消化液(B)丙和庚所分泌的消化液會送入己中作用(C)丁的管壁有很多絨
- 如圖所示,有一長度為a、寛度為b、電阻為R的矩形線圈,維持等速率v横向穿越一寬度為2a的均勻磁場，磁場值為B,方向垂直穿入紙面。當線圈有一半面積進入磁場時,其應電流及方向為何? (A),順時針
- 【題組】光合作用所產生的氧氣和水分由哪一部位釋出?(A)甲 (B)丙 (C)丁 (D)己
- 【題組】行光合作用時,所需的水和二氧化碳,分別會從何處進入葉中?(A)丁(B)甲、丙(C)甲、戊(D)乙、丁。
- 二、題組 附圖為葉的構造模式圖,試根據此圖回答下列問題:【題組】哪些部位的細胞中含有葉綠體可行光合作用?(A)甲丙(B)甲戊(C)乙己(D)丙戊。
內容推薦
- 如圖所示,有一長度為a、寛度為b、電阻為R的矩形線圈,維持等速率v横向穿越一寬度為2a的均勻磁場，磁場值為B,方向垂直穿入紙面。當線圈有一半面積進入磁場時,其應電流及方向為何?【題組】
- 附圖是光合作用的實驗裝置,在實驗之前先將植物盆栽放在暗室中3天,再拿一長條鋁箔包住其中一片葉片，放置在陽光下2~3天後、取下此葉片以沸水加熱數分鐘,再用酒精隔水加熱。然後在葉片上滴上碘液,觀察葉片的顏
- 【題組】(7)編輯私有筆記及自訂標籤奧林匹亞物理-106 年 - 2017年第18屆亞洲物理奧林匹亞競賽及第48屆國際物理奧林匹亞競賽-國家代表隊初選試題#97832討論私人筆記( 0 )你可以購買他
- 【題組】在此活動中，酒精隔水加熱的目的是什麼?(A)避免溫度過高傷害葉綠素(B)破壞葉片的表皮層,讓碘液可以滲入葉片中(C)避免酒精燃燒 (D)如此才使氣孔打開,讓碘液可以滲入葉片中。
- 【題組】在此活動中，將處理過的葉片滴上碘液一段時間後,葉片的顏色會如何變化?(A) (B) (C) (D)
- 在電流天平實驗中,若螺線管所載電流為I1,U型電路上的電流為I2,天平前端所掛的小重物重量為mg,此時天平恰能維持水平平衡狀態。則下列何種改變後,天平仍可維持平衡狀態?(A)I1反向(B)I2
- I need an eraser. Can you get it for me? It's in thesecond _____ of my desk.(A) floor (B)ba
- You shouldn't do your make-up(化妝) in _____ places.It's not good manners.(A) following
- In the future, cars can drive by themselves. You caneven take a nap(小睡一下) in the car. Can you __
- Drunk-driving(酒驾) is wrong. It may _____ seriouscar accidents. Don't do that, plcase.(A) be
- There's a notice saying" No Smoking.' You'd better _____ your cigarette ____
- A: Ted was _____ at the door because he's too fat.B: Shut up!(不會吧)(A) stuck (B)slim (C)seri
- A: I was too busy to finish my homework.Can I copy yours?B: No way.A:_______ (A) You may say tha
- A: I heard you cry out _____ What happened?B: I was attacked by a bee.(A) one by one(B) from mil
- Of my friends, Emily is _____ She's a dear friend.(A) the nicest (B) so nice(C) nice enough
- I wonder _____. (A) how many sheep are there on the farm(B) why no one wants to go into the fore
- The boy _____ parents are lawyers oftentakes a taxi to school.(A) whose (B) who (C) what(D)which
- We're surprised _____ the packages weredelivered by a drone.(A) whether (B) what(C) who (D)
- While Elsa _____ the street, a motorcyclist wentthrought the red light and hit her.(A) crossed(B
- All parents try their best ot _____ their kids _____ getting hurt. That's why your mom keep
- The restaurant sells the best steak in Taipei. You can'tfind _____ steak in the city.(A) de
- Don't be as _____ as a snail(蝸牛). Would you pleasehurry up?(A) slow (B)slower (C)the slowes
- A: I was praying in the temple when the earthquake hit.B: Did you run out for your life?A: No, I
- A: How about the job interview you had this morning?B:_____ (A) Don't bite the hands that f
- A: Allen is trying to ask me out. I don't know how to _____ him _____. B: Easy. Tell him yo