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Name the following
(a) The process in plants that links light energy with chemical energy
(b) Organisms that can prepare their own food
(c) The cell organelle where photosynthesis occurs
(d) Cells that surround a stomatal pore
(e) Organisms that cannot prepare their own food
(f) An enzyme secreted from gastric glands in stomach that acts on proteins.

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Ans.
a) Photosynthesis: the process using which green plants transform light energy into chemical energy
b) Autotrophs: The organisms which can prepare their own food
c) Chloroplast: Cell organelle where photosynthesis takes place. It contains chlorophyll which is the enzyme responsible for conversion of light energy into chemical energy
d) Guard cells: Organelles that surround the stomatal pore. This cell controls the opening and closing of the stomatal pore
e) Heterotrophs: The organisms which cannot prepare their own food and depend on other organisms for their nutritional needs
f) Pepsin: The enzyme which is secreted by the gastric glands in the stomach that acts on proteins

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