Study of Animal Type : Cockroach — Important Questions
Maharashtra Board · Class 11 · Biology
44 important questions from Study of Animal Type : Cockroach for Maharashtra Board Class 11 Biology, with answers.
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Important Questions from Study of Animal Type : Cockroach
Which of the following are functions of antennae in cockroach?
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Touch sensation, Smell detection, Food location
Antennae are tactile (touch) and olfactory (smell) organs that help in locating food. They are not involved in sound production or light detection.
Which components make up the foregut of cockroach digestive system?
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Pharynx, Crop, Gizzard
Foregut consists of pharynx, oesophagus, crop, and gizzard. Stomach belongs to midgut, and rectum belongs to hindgut.
What type of circulatory system does cockroach have?
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Open circulatory system
Cockroach has an open circulatory system where blood (haemolymph) flows in body cavity (haemocoel) and directly bathes the organs.
How many pairs of spiracles are present in cockroach?
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10 pairs
Cockroach has 10 pairs of spiracles - 2 pairs on thorax and 8 pairs on abdomen. These are respiratory openings for air exchange.
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