Life Processes in Animals — Science STD 7 — Question

How does the heat transfer take place in water and air?

Fill in the blank: Air around us exerts__________.

Why should we take great care while handling acids and bases?

Sunlight, chlorophyll, carbon dioxide, water and minerals are raw materials essential for photosynthesis. Do you know where they are available? Fill in the blanks with the appropriate raw materials.
Available during day: .

What do you mean by clinical thermometer?

Give two examples of natural indicators.

Name the most common device which is used to measure the time.

The stamen is male reproductive part or female reproductive part?

Give an example to show the transfer from heat from one body to another.

Which parts of the plant are called food factories of the plant?