Decide which statements are TRUE or FALSE by marking them with «+» or «-». 1
Light energy stored by plants in the form of organic substances during photosynthesis is released and used by plants during respiration.

2
Proteins and carbohydrates consist of three elements: carbon, oxygen and hydrogen.

3
The end (harmful) substances containing nitrogen are formed: urea and uric acid.

4
As for humans and other mammals, the main nitrogen-containing substance is urea.

5
Tropical, equatorial plants are plants of a long day.

6
Nasties include closing and opening of flowers, folding leaves.

7
The growth of the root down into the soil, under the influence of gravity, is called positive heliotropism.

8
Biorhythms are developmental responses of plants to the relative lengths of light and dark periods.

9
The growth of leaves and shoots in the direction of sunlight is called positive phototropism.

10
An example of photoperiodism can be considered the rhythm of the heart in humans.

PROmax100    1   03.03.2021 09:29    0