*Answer the questions
1. Why are plants so important in our life?Plants play a very important role in our life. They fulfil our food, fodder fuel, timber, fibre and medicinal needs. Plants are helpful in mitigation of environmental pollution.They are the source of oxygen and sink of carbon dioxide. Furthermore, plants are useful in removal of heavy metals from the contaminated sites.
2. Are we dependent upon plants?
Of course yes, people depend on plants for food, clean air, water, fuel, clothing, and shelter. Nearly all food webs begin with plants, the primary producers.
3. What has civilization increased?People don’t appreciate the fact that they have water and food, they don’t save water.
4. What were primitive men’s needs?
Primitive men’s needs food, water and clothing.
5. What is farm crop?A crop is a plant or animal product that can be grown and harvested extensively for profit or subsistence.
6. What are the spheres of the usage of plants?The plant helps almost everywhere. they are used to make medical medicines and useful products
*2.Shelter, great necessity, many drugs, the value.
*3.Earliest times, crops, dependent upon plants, thousands years ago, to be closely connected with man’s progress, Primitive men, made from plants, plants culture, species of plants, different purposes, most popular, consumed by animals, value of plants.
*4.
We know that plant provide us with food .
We still depend on plants.
If we want to cultivate this crop we must study its characteristics.
These plants are used for feeding animal .
cultivation of plants is connected with man’s progress.
*5.
1.Some plants have been cultivated for over four thousand years
2.Plants provide us with food and clothing
3.Plants are the raw material from which we make various things
4. The most important plants are agricultural because they are used directly by humans
5.Many medicines are made from plants
6.The plants provide us with wood from which furniture, paper and other items are made
7.We know these plants well
8.To understand how a plant grows, you need to study botany
9.Agricultural crops are the most important plants in our lives
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