The roots of a plant can ___. A. make flowers B. produce seeds C. take in water and nutrients D. give off oxygen 相关知识点: 试题来源: 解析 C。本题考查植物根的作用。根可以吸收水分和养分,A 选项“制造花”错误,B 选项“产生种子”不是根的作用,D 选项“释放氧气”是叶子的作用。反馈...
A. at the top of B. in the bottom of C. in the middle of D. at the beginning of 相关知识点: 试题来源: 解析 B 【详解】试题分析:句意:植物的根生长在茎的底部。at the top of:在…的顶端;in the bottom of:在……底部;in the middle of:在……中间;at the beginning of:在……起...
7.The roots of a plant grow the stem.( )A.at the top ofB.in the bottom ofC.in the middle ofD.at the beginning of
Organic anions are commonly detected in this region, and their exudation from plant roots has now been associated with nutrient deficiencies and inorganic ion stresses. This review summarizes recent developments in the understanding of the function, mechanism, and regulation of organic anion exudation ...
Describe the function of root hairs in plants. Describe the structure and functions of roots. Describe the function of phloem in plants. Describe the function of systemin in plants. Describe the function of the following: Root, stem, leaf? Describe the structure and function of a plant leaf....
5 Which of the following is not a function of the roots of a plant?(4)(1) To take in water for a plant(2) To take in mineral salts for a plant(3) To hold a plant firmly to the ground(4) To support and keep a plant upright 相关知识点: 试题来源: 解析 (4) 反馈 收藏...
解析 答案见上【解析】 试题分析:句意:植物的根生长在茎的底部。at the top of:在..的顶端; in the bottom of:在...底部; in the middle of:在...中间; at the beginning of:在...起始。结合句意和语境可知选B。 考点:考查词组辨析。 反馈 收藏 ...
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What is an Air Plant:Aerial plants have this name because they get the majority of their nutrients from the air around them. Air plants absorb water and nutrients from their trichomes.Answer and Explanation: Aerial plants still grow roots, however, these roots perform a different function than ...
How to Pot a Plant That Already Has Roots: So in this instructable I will be teaching you how to pot a plant that already has its roots, like a strawberry plant you just bought. I will be using basil that was bought from the grocery store and since it ha