Life Processes
The tiny pores through which leaves take in carbon dioxide from the atmosphere are known as:
Spiracles
Stomata
Xylem
Phloem
Stomata
Leaves of the plants have microscopic openings called stomata. These stomata help in the process of exchange of gases i.e., uptake of CO2 and release of by product of photosynthesis i.e., oxygen, into the atmosphere.
Related posts
The process of obtaining food to meet the energy demands of the body is known as:A. excretion
B. respiration
C. nutrition
D. circulation
The process involving oxidation of food to release energy is known as _________ .
A. breathing
B. excretion
C. circulation
D. respiration
What is the function of the sac-like structures present at the end of bronchioles?
A. Storage of respiratory gases
B. Exchange of respiratory gases
C. Protection of lungs
D. Protection from bacteria
Exchange of gases in alveoli occurs through:
A. absorption
B. dialysis
C. diffusion
D. anaerobic respiration
The process of digestion of food starts in the:
A. mouth
B. stomach
C. small intestine
D. oesophagus
The smallest blood vessel of the circulatory system is known as the:
A. artery
B. vein
C. capillary
D. aorta
Where does digestion of proteins take place?
A. Stomach only
B. Stomach and small intestines
C. Stomach and large intestines
D. Large intestines only
Leave a Reply