Name fat soluble pigments.

Chlorophylls and carotenoids.
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Define the term photosynthesis and give two of  its significance.

Photosynthesis is the process of manufacture of food from carbon dioxide and water in the presence of sunlight and chlorophyll by green plants. Define the term photosynthesis and give its significance.

Significance of photosynthesis :

1. It helps in the synthesis of food.

2. Consumption of carbon dioxide and release of oxygen.

 

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Which protein is abundant in nature ?

Rubisco- Ribulose bisphosphate carboxylase-oxygenase
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What is light compensation point ?

Light compensation point is the point when the light intensity at which the amount of carbon dioxide released in respiration equals the amount used in photosynthesis and the amount of oxygen used in respiration equals the amount released in photosynthesis.
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What are the characteristics of CAM plants ?


Characteristics of CAM plants are :

(1) Optimum temperature is 35°C.

(2) These have large vacuoles in mesophyll cells.

(3) Enzyme used by them is PEP carboxylase.

(4) These have low productivity.

(5) Their stomata open during night.

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