Life Processes
What happens to the unused carbohydrates produced in the plant body?
Gets broken down and dissipated as heat.
Stored in the form of starch for future use.
Transported to stem in the form of glycogen.
Expelled from plant body through excretion.
Stored in the form of starch for future use.
Excess or unused carbohydrates produced during photosynthesis are stored in the form of starch (polysaccharide/polymer of simple glucose molecules) as a reserve of energy for future use in various parts of the plant body.
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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
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