Question

State any 4 differences between photosynthesis and respiration in plants.

Answer 1

Answer :

Respiration

1. It is a catabolic process in which food material is broken down and energy is release.

2. Carbohydrates, like glucose, act as raw materials. Oxygen is required in aerobic respiration

3. The process of respiration goes on 24 hours a day.

4. Every living cell of the organism respires.

5. The end products of respiration are H2O, CO2, and energy in form of ATP.

6. The day weight of the plant decreases due to utilization of food materials.

Photosynthesis

1. It is an anabolic process in which food material is synthesized and energy is stored.

2. Carbon dioxide, water, chlorophyll and light act as raw mate4rials.

3. In natural conditions it takes place in daytime, because light is essential for this process.

4. Only chlorophyll containing cells can carry out the process of photosynthesis.

5. O2, ATP and food material are the end-products of photosynthesis.

6. The day weight of the plant increases due to synthesis of food material.

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Answer 2

Answer:

Cellular Respiration Photosynthesis

Occurs in all living organisms. Occurs only in all green plants, algae, and in some bacteria.

The entire process occurs in Mitochondria. The entire process occurs in Chloroplasts.

Glucose and oxygen are the reactants of this process. Carbon dioxide, water, and light energy are the reactants of this process.

Carbon dioxide, water, and energy (ATP) are the by-products. Glucose, oxygen, and water are the by-products.

Undergoes Catabolic Process. Undergoes Anabolic Process.

Oxygen is taken in and carbon dioxide is liberated out. Producing food and capturing energy.

In this process, food particles are broken down to release energy. In this process, food is synthesis by capturing the energy.

It is an exergonic reaction as energy is released. It is an endothermic reaction as it requires energy.

This process does not require sunlight since cellular respiration occurs all the time. This process requires sunlight since photosynthesis occurs only in the presence of sunlight.

The chemical reaction of cellular Respiration is C6H12O6 + 6O2 → 6CO2 + 6H2O

The chemical reaction of photosynthesis is 6CO2 + 6H2O → C6H12O6+ 6O2

Explanation:

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