Section B

Question 1

List the Functions of the Haemolymph

Answer 1

Transport
Mechanical Support
Control of water content in the cells
Metabolism
Phagocytosis
Wound Healing
Immunity
Homeostasis
Eversion of endophallus in drone

Question 2

Name the 2 parts of the haemolymph

Answer 2

Plasma
Haemocytes

Question 3

Differences between endocrine and exocrine glands

Answer 3

Endocrine - Ductless. Release hormones directly into haemolymph. Affect the individual bee.
Exocrine - Ducted, Release pheromones to outside the body. Affects other bees.

Question 4

Name three of the glands making up the endocrine system in a larva, describe where they are located and what they do

Answer 4

Neurosecretory Cells.
In groups in brain and ganglia
Secrete chemicals to other glands or down nerve fibres to other
organs.
Corpora Cardiaca.
2 glands behind either side of aorta.
Store chemicals produced by neurosecretory cells and also make
chemicals of their own
Corpora allata.
Either side of oesophagus.
Produce Juvenile Hormone.
Prothoracic glands.
2 glands in thorax near first spiracle.
Produce and secrete ecdysone.

Question 5

What endocrine gland is present in the larva but not in the adult bee and what does it produce

Answer 5

Prothoracic
Ecdysone

Question 6

What is the function of the alimentary system

Answer 6

To store and filter nectar, remove pollen, digest the pollen and nectar where appropriate. Collect waste from the haemolymph and debris from digestion, recover salt and water before passing on to the rectum.