NEET BIOLOGY

PLANT PHYSIOLOGY

TRANSPORT IN PLANT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Plants get their energy from the Sun through photosynthesis. The plants are then eaten by animals, and the energy is used for heat and movement. Which of the following is an energy transfer that is conducted inside an animal in the above scenario?
A
radiant energy to electrical energy
B
radiant energy to chemical energy
C
chemical energy to thermal energy
D
chemical energy to radiant energy
Explanation: 

Detailed explanation-1: -Plants get their energy from the Sun through photosynthesis. This energy is trapped in the bonds of the complex compounds the plants create from carbon dioxide and water. The plants are then eaten by animals, and the energy is used for heat and movement.

Detailed explanation-2: -The chloroplasts collect energy from the sun and use carbon dioxide and water in the process called photosynthesis to produce sugars. Animals can make use of the sugars provided by the plants in their own cellular energy factories, the mitochondria.

Detailed explanation-3: -The light-dependent reaction takes place within the thylakoid membrane and requires a steady stream of sunlight, hence the name light-dependent reaction. The chlorophyll absorbs energy from the light waves, which is converted into chemical energy in the form of the molecules ATP and NADPH.

Detailed explanation-4: -Photosynthesis is the process in which solar energy is trapped by chlorophyll to convert carbon dioxide and water to produce food in the form of glucose. It is produced in plants where chlorophyll is present inside the chloroplast as trapping the solar energy initiates the process.

Detailed explanation-5: -Photosynthesis creates all of the energy that fuels living organisms. Animals that eat plants acquire their energy from the stored sugar in plants, and animals that eat those animals obtain that same energy. Thus, all levels of a food web are still fueled by the energy developed by photosynthetic organisms.

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