PDF chapter test TRY NOW
In the given exercise, an Assertion is followed by the corresponding Reason. Mark the suitable answer from the given options:
1.
Assertion: | During sucking of blood, leech will takes on a ribbon shape. |
Reason: | When contracted, leech takes on a nearly cylindrical shape. |
2.
Assertion: | Respiration takes place through the skin in leech. |
Reason: | In leech, dense network of tiny blood vessels called as capillaries containing the haemocoelic fluid extend in between the cells of the epidermis. |