Q. No.Sexual dimorphism in case of cockroaches are observed-
(1) Males having longer wings than female
(2) Presence of caudal style in male
(3) Presence of caudal style in female
(4) More than one option is correct
(1) Males having longer wings than female
(2) Presence of caudal style in male
(3) Presence of caudal style in female
(4) More than one option is correct
The hardened plates of exoskeleton ventrally is known as
(1) Sclerites
(2) Tergites
(3) Sternites
(4) Ternites
Arthrodial membrane in cockroach is
(1) Articular membrane
(2) Thin
(3) Flexible
(4) All of these
Which one is odd with respect to cockroach
(1) Chewing and biting type mouth parts
(2) Flexible neck
(3) Sensory receptors in antennae
(4) Head is formed by fusion of 8 segments
Which of the following is not suitable for hypopharynx?
(1) A median lobe
(2) Flexible
(3) Acting a tongue
(4) Formed by one of the segments of head
The head is connected with thorax-
(1) By a long extension of prothorax
(2) By a short extension of prothorax
(3) By a short extension of neck
(4) By a long extension of neck
Tegmina are not-
(1) Mesothoracic
(2) Forewings
(3) Cover hindwings at flight
(4) First pair of wings
Tegmina are……… while hind wings are…………
(1) Opaque dark and leathery; transparent and membranous
(2) Transparent and membranous; Opaque and dark leathery
(3) Translucent dark and membranous; transparent and leathery
(4) Opaque and membranous; transparent and leathery
The female cockroaches have
(1) 7th, 8th and 9th sternites as genital pouch
(2) Female gonopore, spermathecal pores and collateral glands at the ventral part of genital pouch
(3) 10 abdominal segments unlike males
(4) anal styles as well
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