What are some questions for photosynthesis?
What are some questions for photosynthesis?
Photosynthesis test questions
- What is the role of chlorophyll?
- Which useful energy conversion is carried out by chlorophyll?
- What are the products of the light reactions?
- In photosynthesis, what is ATP required for?
- In which cell organelles does carbon fixation occur?
What are 5 facts about photosynthesis?
10 Facts on Photosynthesis
- The green color of leaves is due to chlorophyll.
- The two main parts of a chloroplast are the grana and stroma.
- The first stage of photosynthesis captures energy from the sun to break down water molecules.
- The second stage of photosynthesis is the Calvin cycle.
What are the 4 requirements for photosynthesis?
Glucose is why plants need photosynthesis. To review, the ingredients for photosynthesis are water, carbon dioxide and light energy. These things are converted by photosynthesis into oxygen and glucose.
Why is sunlight necessary for photosynthesis?
Sunlight has a very important job in photosynthesis. The energy captured by chlorophyll can be used in photosynthesis to make sugar. When a plant gets limited sunlight, photosynthesis slows down. This also means that the plant might not be getting enough sugar—its energy source.
What gas is needed for photosynthesis?
carbon dioxide
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. Carbon dioxide enters through tiny holes in a plant’s leaves, flowers, branches, stems, and roots. Plants also require water to make their food.
What 3 things do plants need for photosynthesis?
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Is photosynthesis fast or slow?
Well, the rate of photosynthesis is usually faster than respiration, so a plant produces more oxygen than it needs for itself. It also produces more sugar than it needs right away, which is how it has some left over to store.
What would happen without photosynthesis?
If photosynthesis ceased, there would soon be little food or other organic matter on Earth, most organisms would disappear, and Earth’s atmosphere would eventually become nearly devoid of gaseous oxygen.
How does photosynthesis produce oxygen?
During the light reactions, an electron is stripped from a water molecule freeing the oxygen and hydrogen atoms. The free oxygen atom combines with another free oxygen atom to produce oxygen gas which is then released.
Is oxygen required for photosynthesis?
Yes, it is. Plants need oxygen to survive, and plant cells are constantly using oxygen. Respiration in plants is like photosynthesis run backwards: instead of capturing energy by manufacturing sugars and releasing oxygen, cells release energy for their own use by breaking down sugars and using up oxygen.
What are the steps of photosynthesis?
Two Stages of Photosynthesis. While the mechanisms of photosynthesis are complex, the overall reaction occurs as follows: carbon dioxide + sunlight + water —> glucose (sugar) + molecular oxygen. Photosynthesis takes place through several steps which occur during two stages: the light phase and the dark phase.
What are facts about photosynthesis?
– The energy for photosynthesis comes from light. Light energy is converted to chemical energy by chlorophyll. There are two sets of reactions, light dependent and light independent. The process mostly takes place in the chloroplasts of plant leaf mesophyll cells.[1] – Photosynthesis is the process where a plants uses the sun’s energy to turn light into chlorophyll. Plants produce oxygen during this process and utilize carbon dioxide. Photosynthesis is the single most important chemical process on the earth. Almost all plants needs the sun in order to survive.[2] – · Photosynthesis is the most important chemical process on earth – it provides food and energy for all living creatures who eat the plants that rely on this process to produce their food (glucose). · More than half (70%) of the world’s oxygen is produced by phytoplankton photosynthesis in the world’s oceans.[3]
What is the hypothesis of photosynthesis?
Photosynthesis is the process in which light energy is converted into chemical energy. Using the energy of light, carbohydrates such as sugars are synthesised from carbon dioxide and water. The name photosynthesis is derived from the Greek words, photo for ‘light’ and synthesis meaning ‘putting together’.
What is the purpose of photosynthesis?
Photosynthesis is also used by algae to convert solar energy into chemical energy.
