Question

1. Answer the following questions in brief.
1. State the importance of carbohydrates in our diet.
2. Write the full forms of the terms PEM and PCM.
3. Name any two methods used for separating a solid - solid mixture.
4. State the difference between a periodic and non periodic motion
5. Write the names of any four useful products obtained from plant.
11. Answer the following questions
1. Give two examples each of animals which reproduce
(i) by laying eggs and (ii)y giving birth to young ones
2. Write any two points of differences between herbs and shrubs.
3. Name any two types of stem modifications, giving one example for each type.
4. Why is a foot step, or a hand span, not used as a standard unit of length ?
5. The filtration method cannot be used to separate sugar and salt mixed in water. Why?
III. What is the flower ? Draw a diagram showing different parts of a flower.
(5)​

Answer 1

Answer:

Carbohydrates are your body's main source of energy: They help fuel your brain, kidneys, heart muscles, and central nervous system. For instance, fiber is a carbohydrate that aids in digestion, helps you feel full, and keeps blood cholesterol levels in check