Body segment of cockroach is covered by these four chitinous plates.
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A body falling for 2 sec. covers a distance ‘s’ equals to that covered in next second. If g = 10 m/s^2 , s =
Correct option is A) 30 m
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Write a short on body cavity of cockroach.
1. Cockroach has a body cavity or true coelom present around the viscera. 2. The body cavity of cockroach is known as haemocoel as it is filled with haemolymph (blood). Cockroaches...
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Describe in detail the body division of cockroach.
Body division: The body is divided into three regions viz. head, thorax and abdomen. Abdomen: 1. The abdomen is elongated and made up of ten segments. Each segment has a dorsal tergum...
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Name the last segment in the leg of cockroach.
Legs: Three pairs of walking legs are present on the ventral side. Each leg is formed of five podomeres namely coxa, trochanter, femur, tibia and tarsus.Tarsus is the last segment...
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Enlist the four ganglia of autonomous nervous system of cockroach.
Autonomic nervous system (ANS): It consists of four ganglia and a retrocerebral complex. The ganglia are as follows: 1. Frontal ganglion: It is present above the pharynx and in front of brain. 2....
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Circlet of six chitinous teeth and backwardly directed bristles are present in _____ .
The correct answer is (D) gizzard
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Which of the following features is used to identify a male cockroach from a female cockroach?
(B) Presence of caudal styles
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A body is projected vertically up. The distance covered in its last second of upward motion if g = 10^2 m/s is
Correct option is C) 5 m
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Circulatory system transports these throughout the body (a) Oxygen (b) Nutrient (c) Hormones (d) All of these
Correct answer is (d) All of these
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A: Chitinous exoskeleton is a characteristic feature of arthropods. R: It allows diffusion of water vapour from atmosphere to the body.
Correct Answer - C If assertion is true statement but reason is false, them mark (3).
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