DENDROLOGY

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TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A brand of fertilizer claims that it contains all the chemicals a plant needs for rapid growth. It may be inferred that the fertilizer includes all these ingredients EXCEPT
A
potassium.
B
phosphorus.
C
carbohydrates
D
nitrogen
Explanation: 

Detailed explanation-1: -Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide.

Detailed explanation-2: -All living plant cells must have carbohydrates to continue life and function; however, photosynthesis occurs only in the presence of sunlight and only in cells with chlorophyll.

Detailed explanation-3: –Plants make carbohydrates from photosynthesis.-Photosynthesis requires sunlight, carbon dioxide, and water as starting materials. The reaction forms glucose and oxygen. The glucose is further stored in the form of starch in the plant.

Detailed explanation-4: -Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

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