Question

Write True (T) or False (F):
1. The process of giving out air is known as exhalation. ( )
2. The upper two chambers of the heart are called ventricles. ( )
3. Reproduction through fragmentation takes place in spirogyra. ( )
4. Earlier people measured time by simply looking at the sun and the moon. ( )
5. The current flows only if the circuit is open. ( )

Answer 1

1. (T)

2. (F)
The upper two chambers of the heart are called auricles.

3. (T)

4. (T)

5. ​(F)
Current flows only through closed circuits.