Write notes on plants and animals as sources of food.
Write notes on plants and animals as sources of food.
Plants as food are gift of nature to humans and most animals. Different parts of plants, such as root, stem, leaf, flower and fruit are consumed by humans in the form of cereals, vegetables, spices and fruits. Animals produce milk, egg, meat, etc. which also supplement our food requirements.
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Explain the general ways of preventing infection.
State and explain in brief the four major factors, which are causes of disease.
Differentiate between the following:
Endocytosis and exocytosis.
Write short note on organ-specific and tissue specific manifestations of disease.
What is human immune system? What is a vaccine? How immunisation can be achieved?