BOTANY

BOTANY

PLANT PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The process through which plants leaves, stems and roots consume oxygen and give off carbon dioxide is?
A
absorption
B
translocation
C
respiration
D
photosynthesis
Explanation: 

Detailed explanation-1: -Both animals and humans breathe, which is a step involved in respiration. Plants take part in respiration all through their life as the plant cell needs the energy to survive, however, plants breathe differently, through a process known as Cellular respiration.

Detailed explanation-2: -Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration. Plants also release oxygen into the atmosphere through photosynthesis.

Detailed explanation-3: -As with photosynthesis, plants get oxygen from the air through the stomata. Respiration takes place in the mitochondria of the cell in the presence of oxygen, which is called “aerobic respiration". In plants, there are two types of respiration: dark respiration and photo respiration.

Detailed explanation-4: -A plant’s leaves include microscopic openings called stomata through which breathing gases are exchanged via diffusion. Through stomata, oxygen from the air diffuses into a leaf and reaches all of the cells, where it is needed for respiration, while carbon dioxide produced diffuses out of the leaf into the air.

Detailed explanation-5: -This evolutionary innovation is so central to plant identity that nearly all land plants use the same pores-called stomata-to take in carbon dioxide and release oxygen. Stomata are tiny, microscopic and critical for photosynthesis. Thousands of them dot on the surface of the plants.

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