How are the food stuffs and their nutrient contents useful for body?

What are the chemical names of the nutrients that we get from the food stuff, namely cereals, pulses and meat?

Which nutrients are used for energy production?

How are the bones in our body joined to each other?

Write down the names of your favourite food stuffs that are obtained from plants.

Paragraph based question Read the following paragraphs and answer the questions based on it. After the death of apex consumers, their energy becomes available to the decomposers. Fungi and other micro-organisms decompose the bodies of dead animals. They are called decomposers. In the process of obtaining food from the remains of organisms, decomposers convert them into simple carbon compounds. These substances easily mix with air, water and soil from where they are again absorbed by plants and incorporated into the food chain. How is energy and other nutrients circulated in the ecosystem?

Improvement in food production: Which are the two basic techniques that help us to increase food production?

Answer the following questions : State the use of antioxidants in food containing fats and oils.

State whether the following statements and True or False. Correct the false statements: Only food stuff is sufficient for energy production.