Where does photosynthesis mainly take place?

Where does photosynthesis mainly take place?

Photosynthesis takes place inside plant cells in small objects called chloroplasts. Chloroplasts contain a green substance called chlorophyll. This absorbs the light energy needed to make photosynthesis happen. Plants and algae can only carry out photosynthesis in the light.

Where does photosynthesis take place first?

All green plant tissues can photosynthesize, but in most plants, but the majority of photosynthesis usually takes place in the leaves. The cells in a middle layer of leaf tissue called the mesophyll are the primary site of photosynthesis.

Why does photosynthesis take place in plants only?

photosynthesis take place only in green plant because they are the only living things which use carbon dioxide , chlorophyll , sunlight for making their food. Photosynthesis can only take place in green plants , because they contain a special green pigment (substance) called chlorophyll on its surface.

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Why does photosynthesis only take place in the chloroplast?

Answer: Solution 9: Chloroplasts are found in plant cells only because chloroplasts contain chlorophyll which is essential for photosynthesis. Chlorophyll traps sunlight and uses it to prepare food for plants by the process of photosynthesis.

Does photosynthesis take place at night?

No, plants do not perform photosynthesis at night. Plants can perform photosynthesis at night only if they are provided with the artificial light of the corresponding wavelengths.

Does photosynthesis occur only in leaves?

Chlorophyll absorbs light and photosynthesis takes place inside the chloroplasts. That is why photosynthesis only occurs in green leaves – they contain chloroplasts.

What is photosynthesis answer?

photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Does photosynthesis occur in all plant cells?

1 Expert Answer. Not every plant cell contains chloroplasts. The majority of chloroplasts are found in the cells of the leaves; there can also be a small amount in the outer stems of some plants.

What is class 3 photosynthesis?

Photosynthesis is the process in which green plants use sunlight to make their own food. Photosynthesis is necessary for life on Earth. Without it there would be no green plants, and without green plants there would be no animals. Photosynthesis requires sunlight, chlorophyll, water, and carbon dioxide gas.

Does photosynthesis occur in animal cells?

Due to the absence of chloroplasts in animal cells, photosynthesis does not take place in them. Chloroplasts are found in many unicellular eukaryotes, such as Euglena. They have both plant and animal traits.

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Where is chlorophyll located?

Chlorophyll is located in a plant’s chloroplasts, which are tiny structures in a plant’s cells. This is where photosynthesis takes place.

Where does photosynthesis take place Class 11?

Photosynthesis mostly takes place in the green parts of the plant that have chloroplasts. Mesophyll cells in the leaves have a large number of chloroplasts in them. This is because the chloroplasts can find the optimum quantity of sunlight they need for photosynthesis at the edges of the mesophyll cells of the leaves.

Can photosynthesis occur without sunlight?

Plants need light to photosynthesize, but it doesn’t necessarily have to be sunlight. If the correct type of artificial light is used, photosynthesis can happen at night with lights that contain blue and red wavelengths.

Does photosynthesis occur 24 hours a day?

Photosynthesis can take place 24 hours of the day if a plant has access to light (sunlight or artificial). Photosynthesis can also occur in the presence of artificial source of light (absence of sunlight) but with less efficiency. Photosynthesis requires the presence of blue and red light with high energy.

Does photosynthesis work in the cold?

Most trees do ‘slow down’ during winter, and deciduous trees that lose their leaves shut down photosynthesis entirely. Trees with needles (evergreen trees) that are retained over winter can actually photosynthesize during the winter.

Where does photosynthesis occur other than leaf?

There are other plant parts also, which perform photosynthesis such as modified stem, roots, etc. E.g. assimilatory roots contain chlorophyll and perform photosynthesis. They are aerial adventitious roots present in plants such as Trapa and Tinospora.

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Can photosynthesis occur in stems?

Chlorophyll Fluorescence of Tree Stems. Light is the energy source driving photosynthesis and the signal that regulates plant growth and development. The stems of tree species with chlorophyll can carry out stem photosynthesis (Supplementary Figure 1).

Which part of the plant do not perform photosynthesis?

A plant that does not perform photosynthesis is Fungus.

Who discovered photosynthesis?

scientist Jan Ingenhousz
Dutch-born British physician and scientist Jan Ingenhousz is best known for the discovery of the process of photosynthesis, by which green plants in sunlight absorb carbon dioxide and release oxygen.

Why is it called photosynthesis?

Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek phōs (φῶς), “light”, and synthesis (σύνθεσις), “putting together”.

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