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- C3 cycle or Calvin cycle is a light-independent reaction that occurs in plants to convert atmospheric carbon dioxide into glucose.
- It is also called a dark reaction and the end product of the cycle is a 3-carbon compound.
- Soyabean, rice, potatoes, etc are examples of plants undergoing the C3 cycle.
- The C4 cycle is a light-dependent reaction that converts atmospheric CO2 into glucose in plants.
- It is also called as Hatch-Slack pathway and the end product of the cycle is a 4-carbon compound.
- Examples of C4 plants include sugarcane, maize, corn, etc.
- Legumes are plants that belong to the family Fabaceae.
- The seed of these plants is consumed as pulses.
- Legume plants include beans, lentils, peas, peanuts, etc.
- Leguminous plants undergo both C3 as well as C4 cycles during carbon fixation.
- They are classified in two ways- cool-seasons C3 plants and warm-season C4 plants.