In a science class, we observe a plant. What color is chlorophyll? A. red B. blue C. green D. yellow 相关知识点: 试题来源: 解析 C。本题考查科学知识。叶绿素是绿色的,选项 A“red”是红色;选项 B“blue”是蓝色;选项 C“green”是绿色;选项 D“yellow”是黄色。
Grow lights shine purple because they are arrays of bluish and reddish LEDs. And plants are most efficient at absorbing blue and red light. What Color of Grow Light Is Best? should you prioritize blue or red light, or are other colors also useful?
What color light does chlorophyll reflect?Chlorophyll:Chlorophyll is a pigment found within photosynthetic plants and organisms, generally contained within chloroplasts. Plants generally contain both chlorophyll a and b.Answer and Explanation: Become a member and unlock all Study Answers Start today. Try...
根据第二段内容,结合第一句 “In the spring and summer, tree leaves produce a chemical called chlorophyll(叶绿素), which is responsible for the green color.(在春天和夏天,树叶会产生一种叫做叶绿素的化 学物质,这就是树叶是绿色的原因)”可知,本段主要介绍树叶颜色的由来。故选B。 【 30题详解】 细节...
Why is chlorophyll important to Earth's climate system? Why are most plants green? Why does chlorophyll reject green light? Explain why we see the color green on the leaves of plants. Why do grasses contain a higher concentration of chlorophyll?
根据第三段 “For example, a deep blue sea will have very little life in it, while a green color means there are ecosystems there. The ecosystems are based on plant-like small living things which include chlorophyll(叶绿素). The living things form the base of a food web which supports ...
variegated leaves, but many others are possible. The additional color may be focused around the leaf's edge or appear in veins, spots, stripes or patches on the leaf. In most cases, the areas of color are irregular or uneven in shape. Variegated leaves indicate an absence of chlorophyll.
问:What is photosynthesis?(什么是光合作用?) 答:A process by which plants convert sunlight into energy.(植物将阳光转化为能量的过程。) why的答案则需要逻辑推理或因果解释,常包含“because”等连接词。例如: 问:Why do leaves change color in autumn?(秋天树叶为何变色?) 答:Because chlorophyll breaks do...
Well, before we discuss why leaves turn red, first, let's, urn, look, I know this is very old material, but just to play it safe, let's first go over why leaves are usually green. It's chlorophyll, right? Leaves get their green color from chlorophyll, the chemical that's responsib...
chlorophyll" intheleavesgivesplantstheirgreencolour.叶子中一种叫做"___"的化学物质使植物呈现绿色。可知,植物呈现绿色,说明划线单词意为:"叶绿素",故选C。(3)A.细节推断题。根据第四段Duringwinter,thereisnotenoughsunlightorwater.Treesrestduringthistimeandliveonthefoodtheystore duringthesummer.Theybegintoshut...