What is haemolymph?

What is haemocoel? What is alary muscle?

Given below are assertion and reason. Point out if Assertion : Blood of cockroach is colourless haemolymph with no respiratory pigments Reason : Respiration in Cockroach occurs through diffusion in haemolymph

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of

What is thermommeter? What is mercury thermometer?

What is an enzyme ? What are enzymes called biochemical catalysts ?

What is desmosome? What is lysosome? Mention its function.

Flow of haemolymph in Cockroach is

The correct statement about respiration are (i) In cockroach gaseous exchange occurs mainly between tracheoles and haemolymph (ii) increase in inspiratory capacity does not involve an increase in tidal volume (iii) partial pressure of oxygen in blood is less than that in alveoli (iv) chloride shift in erythrocytes maintain the ionic balance

(a) What is Polythaemia? (b) What is Leucotosis? (c ) What is Leucokaemia?