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Worksheets2023-24 第一學期生物科問答比賽
Total questions: 11
Worksheet time: 17mins
姓名:
級別
中四
中五
中六
班別
A
B
C
D
1. Name the common allergens mentioned in the passage.
(i) Pollens
(ii) Animal danders
(iii) Emotions
(i) and (ii) only
(i) and (iii) only
(ii) and (iii) only
(i), (ii) and (iii)
What is activated by antigen in blood when there is an allergy?
Allergens
Antibodies
Histamine
Antihistamine
Which of the following is not an effect of histamine when it is released from cells?
Blood vessel become larger (dilate)
Contraction of smooth muscle
Increasing breathing rate
Slowing the speed of blood flow
Which of the following is not a treatment of allergy mentioned in the passage?
Taking antihistamine
Strengthening body by exercise
Desensitizing with the offending allergen
Avoid contacting with the allergen
基因庫所儲存的生命體可包括:
(1) 種子
(2) 細胞
(3) DNA
(4) 氨基酸
(1) 及 (2)
(2)、(3)、及 (4)
以上皆是
(1)、(2) 及 (3)
中國通過人工雜交,把細胞質雄性不育(CMS)基因的野生稻轉移到了栽培稻,培育出有甚麼特性的水稻,稱為不育系,再與恢復系和保持系的“三系配套,發展成雜交水稻,,大大提高了水稻產量,對中國和世界的糧食安全做出了巨大貢獻。
只有雌蕊而沒有正常雄蕊
雌蕊較短而雄蕊較長
只有雄蕊而沒有正常雌蕊
沒有正常雌蕊和雄蕊
以下是中國以就地保護的方式去保護基因資源的方法
(1) 四川汶川臥龍的大熊貓保育
(2) 西藏芒康的滇金絲猴保育
(3) 山東墾利的野生大豆保育
(4) 香港大埔滘的盧氏小樹蛙保育
(1) 及 (2)
(1)、(2) 及 (3)
(2)、(3)、及 (4)
以上皆是
2021年中國從國外進口了多少糧食?
16 噸
1600 噸
16000 噸
1.6 億噸
