問題詳情
5. Which cells in a plant root form a protective barrier to the vascular system where all materials must move through thesymplast?
(A) Cortex
(B) Pericycle
(C) Epidermis
(D) Endodermis
(E) Exodermis
(A) Cortex
(B) Pericycle
(C) Epidermis
(D) Endodermis
(E) Exodermis
參考答案
無參考答案
內容推薦
- Which of the following characteristics adds most to vertebrate success in terrestrial environment
- 下列水質分析項目______不須執行空白樣品分析。(A) 濁度(B) 色度(C) 餘氯(D) 氨氮
- Which of the following species is most likely to be a candidate for geographical isolation?(A) ba
- 二、問答題：（40 %）（每題 8 分，共 40 分）請說明淨水場「綜合效能評估（CPE）」之意義，並就自來水安全層面闡述其重要性。編輯私有筆記及自訂標籤自來水事業技術◆管理人員-丙級-103
- 下列對男性生殖器官的敘述，何者正確？(A)副睪是暫時儲存精子的地方 (B)精子主要儲存在儲精囊內 (C)儲精囊、攝護腺各一對，尿道球腺僅一個(D)精子中必含有 Y 染色體。
- 量測水樣之氫離子濃度指數（pH 值）時，pH 測定儀應先以 0 ± 0.5 之中性緩衝溶液進行零點校正，再______。(A) 以相差 2 至 4 個 pH 值單位之酸性或鹼性緩衝溶液進行
- 一般器皿以滅菌釜滅菌之條件為______。(A) 250℃，15 分鐘(B) 121℃，15 分鐘(C) 100℃，15 分鐘(D) 100℃，60 分鐘
- 微量分析時，依據試劑水品質組成含量可分為四個等級，以下敘述______為錯誤。(A) 超高品質的試劑水之電阻值必須大於 16 megohms - cm(B) 中等品質的試劑水可由蒸餾或去離子方
- 有關微生物檢測，以下項目______不需要無菌測試。(A) 濾膜(B) 培養基(C) 稀釋用水(D) 玻璃器皿
- 傳統淨水場中可能產生廢水之單元，包括：沈澱池排泥與濾床反沖洗，其常用的處理方法，不包括______。(A) 吸附(B) 沉澱(C) 濃縮(D) 脫水
內容推薦
- , 則外接圓半徑為何?(A) 4 (B) (C) 2 (D) 。
- Which of the following statements is not true for the prophase I of meiosis?(A) Homologous chromo
- 有關自來水採樣安全裝備及注意事項，採取測定微生物之水樣時，其出水口應先以火烤或 75 %酒精擦拭，並使用滅菌過的採樣瓶及瓶蓋。拿瓶蓋時要注意瓶蓋內不被細菌污染，剛修好之水龍頭在採樣前須有足夠的
- A genetic change that caused a certain Hox gene to be expressed along the tip of a vertebrate li
- 塑膠管較大彎曲弧度之彎曲加工，可用____________ 法加工。(A) 冷空氣(B) 熱空氣(C) 冷水(D) 熱水
- Which of the following hormones is the most useful for promoting the growth of the root after pla
- 一公升的自來水中含有碳酸鈣 0.25 克（分子量 CaCO3＝100.01，原子量 Ca＝01），其含鈣濃度為若干 mg/L？編輯私有筆記及自訂標籤自來水事業技術◆化驗人員-丙級-103
- The components of the endomembrane system of cells don’t include ________.(A) nuclear envelope (
- Given the parents TTEECc × TteeCc, assume simple dominance for each trait and independent assortm
- The conversion of fibrinogen to fibrin ________.(A) occurs when fibrinogen is released from brok
- Which statement about human reproduction is correct?(A) Fertilization occurs in the uterus.(B) In
- Which of the following does not tend to promote speciation?(A) The founder effect (B) Gene flow
- Which area of the human brain contains the rhythmic breathing control center?(A) Neocortex (B) H
- Ⅱ.Ȝ單選題ȝ每題 2 分，共計 120 分Ƕ答錯 1 題倒扣 0.5 分，倒扣至本大題零分為止，未作答，不給分亦不扣分Ƕ31~60 題為普通生物學，61~90 題為生化概論ǶPhenylke
- What is the response a plant would react to an attack from herbivores?(A) Leaf abscission to pre
- 自來水中之重金屬無法藉由下列化學藥品______去除之。(A) Na2CO3(B) Ca(OH)2(C) FeS(D) FeCl2
- ________ absorb products of photosynthesis from living host plants.(A) Epiphytes (B) Carnivorous
- Which of the following type of leukocyte would play a role as “antigen presenting cells” and tri
- In which of the following conditions, asexual reproduction results in greater reproductive succe
- Which of following statements about human digestive function is incorrect?(A) When food bolus en
- Which of the following statements about human respiration is true?(A) Most of the carbon dioxide
- In a neuroscience lab, a student increased the concentration of K+outside a neuron from 5 mM to
- Which of the following statements about vision is not true?(A) Rods are more light-sensitive tha
- 請說明「瓶杯試驗」目的為何？簡述其執行步驟？哪些因素會影響其結果？編輯私有筆記及自訂標籤自來水事業技術◆管理人員-甲級-103 年 - 經濟部 103年 全國性自來水事業技術人員考驗題目與答案_
- Which of the following sensory receptors is incorrectly paired with its category?(A) Photorecept