Give reasons for the following statements:
i. Cork cambium is responsible for increase in diameter of woody stems.
ii. Yeast is used in bakeries and breweries.
iii. Applying brakes while driving a car is an acquired reflex.
iv. Metabolic wastes need to be removed by the body.
V. Dodder can cause considerable economic losses of agricultural crops.
Answers
Answer:
As long as the lateral meristems continue to produce new cells, the stem or root will continue to grow in diameter. ... The cork cambium gives rise to thickened cork cells to protect the surface of the plant and reduce water loss.
Baker's yeast is the common name for the strains of yeast commonly used in baking bread and bakery products, serving as a leavening agent which causes the bread to rise (expand and become lighter and softer) by converting the fermentable sugars present in the dough into carbon dioxide and ethanol.
3) Metabolic wastes or excrements are substances left over from metabolic processes (such as cellular respiration) which cannot be used by the organism (they are surplus or toxic), and must therefore be excreted. ... The elimination of these compounds enables the chemical homeostasis of the organism.
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