Plants are living things that need some form of energy.They have cells and tissues.They also grow in size and girth likewise human beings. They are the producers of the ecosystem. So, in order to synthesize food, they do have nutrient requirements. Of course, the kind of nutrient requirements varies. Plants too have their special capability to form their own food.1. What is the kind of mode of nutrition opted by plants?a. Autotrophicb. Heterotrophicc. None of the above2. Plants are green in colour becausea. They absorb green light only and they contain a pigment called chlorophyll.b. They reflect green light and they contain a pigment called chlorophyll.c. They absorb green light but reflects all other lights and they contain a pigment called chlorophyll.d. None of these3. The most important function of chlorophyll is toa. Absorb carbon dioxide from the atmosphereb. Absorb water and minerals from the soilc. Give green colour to the leavesd. Perform photosynthesis in the presence of sunlight.4. Which element is not present in chlorophyll?a. Carbonb. Calciumc. Magnesiumd. Hydrogen5. Process by which plants prepare their food is ................a. Carbohydrolysisb. Metabolic synthesisc. Photosynthesisd. Photorespiration