Question

Простой лист любого растения имеет черешок. * 1 балл Да Нет Испаряя воду, листья защищают себя от перегрева и способствуют поступлению в них воды. * 1 балл Да Нет Влагалищем листа называется его разросшееся основание. * 1 балл Да Нет Примером листа с сетчатым жилкованием является лист осины. * 1 балл Да Нет Жилки листа его каркас, механическая основа. Других функций они не выполняют. * 1 балл Да Нет

Answer 1

Ответ:

1. да

2. да

3. да

4. да

5. да

Answer 2

Leaf Structure and Functions

Does a simple leaf of any plant have a petiole? Yes. The petiole is the stalk that attaches the leaf blade to the stem of the plant. It is present in most simple leaves.

Do leaves protect themselves from overheating and facilitate water intake by evaporating water? Yes. Leaves protect themselves from overheating and facilitate water intake by evaporating water through a process called transpiration.

Is the swollen base of a leaf called the leaf sheath? No. The swollen base of a leaf is called the leaf base or the leaf petiole. The leaf sheath is a structure found in grasses and some other monocots.

Is the leaf of an aspen an example of a leaf with reticulate venation? Yes. The leaf of an aspen is an example of a leaf with reticulate venation, which is characterized by a network of veins forming a mesh-like pattern.

Are the veins of a leaf solely its mechanical support and do not perform any other functions? No. The veins of a leaf serve as its framework or mechanical support, but they also play a crucial role in transporting water, nutrients, and sugars throughout the leaf.