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。
Red. C. White. D. Yellow. 相关知识点: 试题来源: 解析 The color of leaves in fall is often yellow, as chlorophyll breaks down and other pigments become visible. So the answer is D. The question asks about the color of leaves in fall. In fall, leaves lose their green chlorophyll ...
When you picture a leaf in your mind, what color is it? You may say “green”. In fact, that’s not___. The green color is from a chemical called chlorophyll (叶绿素). Without chlorophyll, a green plant would not be able to___. Chlorophyll...
三、 完形填空(共10小题;每小题1分,满分10分)When you picture a leaf in your mind, what color is it? You may say not __36_. The green color is from a chemical called chlorophyll (叶绿素) a green plant would not be able to 37.Chlorophyll helps plants produce food 38 photosynthesis ...
Where does the green color come from A chemical called “chlorophyll” in the leaves provides plants their green color. When autumn comes, the days get shorter and shorter, and trees “know” that is the time to begin getting ready for winter. In winter, because of the short days, there...
What is the spectrum of colors in visible light? What colors do chlorophyll reflect? What color light does chlorophyll reflect? What colors are reflected by an object that appears black? What color reflects heat best? Which color is refracted the most? What color of light produces the most li...
When you picture a leaf in your mind, what color is it? You may say “green”. In fact, that’s not 1 . The green color is from a chemical called chlorophyll ( 叶绿素 ) . Without chlorophyll, a green plant would not be able to 2 . Chlorophyll helps plants produce food ...
What Is Organic Chlorophyll? What Are the Benefits of Chlorella? What Is Chlorella Algae? How do I Choose the Best Chlorella Growth Factor? What is the Difference Between Chlorella and Spirulina? How do I Choose the Best Chlorella Tablets?
chlorophyll ( )15.What is the best title of the passage? A. Ways that plants grow wellB. Kinds of plants on the earth C. Reasons why leaves change their colorsD. Food that plants need 第三节完形填空(共10小题,每小题1分,满分10分) 阅读下列短文,从短文后各题所给的四个选项(A、B、C...
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...