6.只用下列哪一種試液即可區別Na₂S，Na₂CO₃，Na₂S₂O₃，NaAl(OH)₄，Na₂SO₄五種溶液：
(A)氫氧化鈉溶液
(B)鹽酸溶液
(C)氨水
(D)氯化鋇溶液。選出正確答案並說明原因。

1. Which of the following descriptions about water lilies is NOT correct? (A) They are early diverging angiosperms. (B) They belong to the ANA (Amborella, Nymphaeales, and Austrobaileyales) grade of basal angiosperms. (C) The ABCDE model is the most suitable explanation for water lilies's flower development. (D) Flowers of water lilies are characterized by showy petals and stamens not clearly whorled. (E) Their flowers present a gradual morphological transition from the outer elements to the inner stamens.

2. Which plant hormone is adenine derivatives that promotes cell division? (A) Cytokinin. (B) Auxin. (C) Gibberellins. (D) Abscisic acid (E) Brassinosteroid.

3. Which of the following statements about polyploidy is NOT correct? (A) It is the heritable condition of possessing more than two complete sets of chromosomes (B) It is rare among plants but common among certain groups of fish and amphibians. (C) Allopolyploids rise due to the hybridization of two distinct species. (D) Higher vertebrates do not appear to tolerate polyploidy very well. (E) Heterosis and gene redundancy are advantages of polyploidy.

4. Which of the following descriptions of horizontal gene transfer (HGT) is NOT correct? (A) HGT is the movement of genetic information between organisms. (B) HGT includes the spread of antibiotic-resistance genes among bacteria. (C) HGT involves the replacement of existing genes with incoming DNA or RNA or the introduction of new genes into a genome. (D) HGT is a key evolutionary driver capable of facilitating host manipulation and viral resistance. (E) Bacterial HGT occurs by transformation and conjugation but not transduction.

5. Which description of the primary walls of plant cells is NOT correct? (A) They are formed by growing cells. (B) They are usually relatively unspecialized. (C) They are similar in molecular architecture in all cell types. (D) They are the cell plates first formed during cytokinesis (E) They have relatively low cellulose content.

6. The Curcuma genus (薑黃屬) has a long history of medicinal applications. Which description of 薑黃素(curcumin) is NOT correct?  (A) It is extracted from Curcuma's stolons, which are plant stems growing at the soil surface. (B) It is a natural polyphenol. (C) It is an orange-yellow dye that is practically insoluble in water. (D) It is used in dairy products, beverages, cereals, mustard, and food concentrates. (E) It has antioxidant activity by scavenging a variety of reactive oxygen species (ROS).

7. Please choose the correct answers for the summary of land plant phylogeny.  (A) a. monocots b. dicots c. mosses d. lycophytes (B) a. dicots t b. monocots c. lycophytes d. mosses (C) a. monocots b. dicots c. lycophytes d. mosses (D) a. dicots t b. monocots c mosses d. lycophytes (E) a. lycophytes b. monocots c dicots d. mosses

8. Which of the following descriptions about coenzyme Q is NOT correct? (A) It is also known as ubiquinone that is ubiquitous in animals and most bacteria (B) It is involved in the electron transport chain located in the mitochondrial inner membrane. (C) In human mitochondria, the most common coenzyme Q form is coenzyme . (D) It is sold as a dietary supplement but most healthy people have enough coenzyme naturally.  (E) The capacity of this molecule acts as a one-electron carrier moving between the fully oxidized to the fully reduced states.

9. Which of the following descriptions about Candida albicans is NOT correct? (A) It is a polymorphic fungus. (B) It is a member of the healthy microbiota. (C) It is an opportunistic fungal pathogen that exists as a harmless commensal in the gastrointestinal and genitourinary tracts. (D) It can form biofilms on solid surfaces such as dental enamel and human heart valves. (E) It never causes severe, life-threatening bloodstream infections.

10. Artemisinin, isolated from the Chinese medicinal herb Artemisia annua, is an active ingredient to treat malaria. Which of the following descriptions is NOT correct? (A) Malaria is caused by Plasmodium sp. that proliferate in female Anopheles mosquitoes (B) Artemisinin originates from A. annua, a Chinese medicinal plant (Qinghao), commonly known as sweet wormwood. NT (C) Artemisinin is a sesquiterpene lactone with a unique endoperoxide structure that is mainly chemically synthesized for global supply. (D) Plant tissue culture has been investigated to establish a production of artemisinin. (E) Artemisinin can be produced heterologously in the plants Nicotiana benthamiana.

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