Circulatory system, Nervous System and Sense Organs in Arthropods MCQ - Practice Questions with Answers

• There is a tubular single-chambered heart that regulates the open circulatory system. 
• The blood is pumped through arteries and reaches haemocoel where different organs are present. 
• The scheme of blood flow can be shown as:

• They possess a well-developed nervous system which is situated ventrally. 
• Three pairs thoracic and six pairs abdominal ganglia are present.

The following sense organs can be seen:

• Insects possess compound eyes that form the mosaic vision
• Antennae perceive smell and touch
• Taste receptors are present in the feet
• Balancing organs called statocysts are also present