首页
登录
职称英语
Mineral deficiencies can often be detected by specific symptoms such as chlo
Mineral deficiencies can often be detected by specific symptoms such as chlo
游客
2024-01-03
32
管理
问题
Mineral deficiencies can often be detected by specific symptoms such as chlorosis(loss of chlorophyll resulting in yellow or white leaf tissue), necrosis(isolated dead patches), anthocyanin formation(development of deep red pigmentation of leaves or stem), stunted growth, and development of woody tissue in an herbaceous plant. Soils are most commonly deficient in nitrogen and phosphorus. Nitrogen-deficient plants
exhibit
many of the symptoms just described. Leaves develop chlorosis; stems are short and slender; and anthocyanin discoloration occurs on stems, petioles, and lower leaf surfaces. Phosphorus-deficient plants are often stunted, with leaves turning a characteristic dark green, often with the accumulation of anthocyanin. Typically, older leaves are affected first as the phosphorus is mobilized to young growing tissue. Iron deficiency is characterized by chlorosis between veins in young leaves. [br] The word "
exhibit
" in the passage is closest in meaning to
选项
A、fight off
B、show
C、cause
D、spread
答案
B
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3330226.html
相关试题推荐
Meteorologistscanprogramtheircomputestoscanfora(specific),setofweath
NarratorColumbiaUniversityhasspecificregulationsfortherespectofrel
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforin
InfluenzaandVaccinesThereisnospecificcureforinfluen
随机试题
Whichofthefollowingwritersisapoetofthe20thcentury?A、T.S.Eliot.B、D.
Itmaysoundquiteridiculousbutrathertruethat_______________(每个人在一定程度上都是迷
Theargumentthatglobalwarmingiscausingmoreextremeweatherisproblema
______isthecapitalofWales.A、BelfastB、BirminghamC、SussexD、CardiffD英国威尔士地区
[originaltext]W:Myparentswanttocomevisitnextweek,butIcheckeveryhote
导致事故发生的基本原因不包括( )。A.偶然事件 B.必然事件 C.不安全
高层建筑应设有连通街道和内院的人行通道,通道之间的距离不宜超过()m。A
关于钢下列说法正确的是()。A.含碳量>2.11%(重量)的铁合金 B.钢
(2019年真题)沪深300股指期货交割结算价为()。A.到期日标的指数最
案例九: 下面是某求助者的MMPI测验结果: 该求助者Hs量表
最新回复
(
0
)