问题 填空题

“毕升故里茶最美,天堂云雾味独珍”,天堂云雾茶是我市英山县名茶中的精品.如图甲表示发生在茶树体内的某些生理过程,图乙为茶树叶肉细胞结构示意图,请回答:

(1)茶树生长、细胞分裂等生命活动所需要的能量来自于图甲过程[______]______所释放的能量;这一过程主要发生在图乙细胞的[______]______中.

(2)间作套种、合理密植是为了提高图甲过程[______]______的效率,该过程发生在图乙细胞的[______]______中.

(3)过程B的强弱受______(至少写出两种)等环境因素的影响.

(4)某校生物兴趣小组的同学在玻璃温室里进行茶树栽培实验,并在一春季的晴天对室内空气中的二氧化碳浓度进行了24小时测定,下列曲线能正确表示测定结果的是______.

答案

(1)呼吸作用是细胞内有机物在氧的参与下被分解成二氧化碳和水,同时释放能量的过程.所以,茶树生长、细胞分裂等生命活动所需要的能量来自于图甲过程[A]呼吸作用所释放的能量;这一过程主要发生在图乙细胞的[5]线粒体中.

(2)是为了提高光合作用的效率,人们常采用间作套种、合理密植的种植方法,植物的光合作用的场所叶绿体.所以间作套种、合理密植是为了提高图甲过程C光合作用的效率,该过程发生在图乙细胞的[4]叶绿体中.

(3)过程B是指蒸腾作用,其强弱受温度、湿度(至少写出两种)等环境因素的影响,一般情况下,温度越高蒸腾作用越强,湿度越大蒸腾作用越弱.

(4)在0-6时,夜间无光,植物不进行光合作用,只进行呼吸作用,不断释放二氧化碳,所以二氧化碳的浓度逐渐升高,而6-18时为白天,植物进行光合作用,不断消耗二氧化碳,也能进行呼吸作用,释放二氧化碳,但光合作用的强度大于呼吸作用的强度,所以二氧化碳的浓度逐渐降低,从18-24时为黑夜时间,与0-6时的情况一样,二氧化碳浓度逐渐升高.

比较可知C图曲线能正确表示测定结果.

故答案为:(1)A;呼吸作用; 5;线粒体.

(2)C 光合作用; 4;叶绿体.

(3)温度、湿度.

(4)C.

阅读理解

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