Question

Answer the following questions in brief.

1. Write the names of two plants and their parts useful as food.

2. Why do doctors usually advise us to consume fruits instead of fruit juices?

3. Why can't our elbows bend backwards?

4. Why does a blacksmith use heat to make various tools in his business?

5. A bag of cement kept in the open gets soaked in rain. What will be its condition on

the next day?​

Answer 1

Explanation:

3. Our elbow cannot move backwards because it has a hinge joint which allows the movement in one plane only.

Answer 2

Answer:

1. Two plants and their parts useful as food are:

spinach- leaves, mustard-leaves and seed

2.As a result the fruit's sugar accumulates in your blood at a lower and slower rate if you eat the fruit whole than you drink straight fruit juice. the process let your body use the sugar more as a direct energy source. In contrast drinking straight fruit juice leads to the spike in blood sugar.