Q.1
Gizzard (proventriculus) in cockroach lies between
  • a) oesophagus and stomach
  • b) crop and mesenteron
  • c) mesenteron and ileum
  • d) oesophagus and crop
Q.2
Which statement regarding anal cerci and anal style in cockroach is correct?
  • a) Anal cerci are absent but anal styles are present in male.
  • b) Anal cerci are absent and anal styles are present in female.
  • c) Anal styles are absent and anal cerci are present in male.
  • d) Anal styles are absent and anal cerci are present in female.
Q.3
Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.
  • a) Reptilia; annelida
  • b) Insecta; Arthropoda
  • c) Insecta; annelida
  • d) Reptilia; Arthropoda
Q.4
Male cockroach can be identified from the female by the presence of
  • a) long antennae
  • b) wingless body
  • c) elongated abdomen
  • d) anal styles
Q.5
A Chitinous lining in earthworm is found in
  • a) pharynx
  • b) stomach
  • c) Typhlosole
  • d) gizzard
Q.6
Earthworm is useful because it
  • a) helps in fixing atmospheric nitrogen
  • b) helps in making the land porous
  • c) kills harmful bacteria of the soil
  • d) helps in making the land fertile by turning it upside down
Q.7
Blood glands in Earthworm are associated with
  • a) excretion
  • b) digestion
  • c) secretion
  • d) none of these
Q.8
The pre-Typhlosole region in Pheretima extends from
  • a) fifth to twenty-sixth segment
  • b) first to twenty-sixth segment
  • c) fifteenth to twenty-sixth segment
  • d) immediately after clitellar region to twenty sixth segment
Q.9
A skeleton like function during locomotion of Pheretima is performed by
  • a) alimentary canal laden with mud
  • b) blood
  • c) coelomic fluid
  • d) ventral nerve cord
Q.10
Role of Typhlosole in the intestine of earthworm is
  • a) to kill bacteria
  • b) to increase absorptive surface
  • c) to produce digestive enzymes
  • d) to control blood flow
Q.11
The nitrogenous waste in earthworm consist of about
  • a) 40% urea and 40% uric acid
  • b) 50% urea and 40% ammonia
  • c) 40% ammonia and 20% amino acids
  • d) 60% ammonia and 20% amino acids
Q.12
In earthworm, the Septal Nephridia put their excretory discharge into
  • a) intestine
  • b) blood
  • c) coelom
  • d) gizzard
Q.13
Earthworms do not have any respiratory organs because
  • a) they do not need them
  • b) they are burrowing in habit
  • c) there is no sufficient space for such organs
  • d) the surface acts as an absorptive area which is larger than the volume
Q.14
The female genital aperture in earthworm is present ventrally on segment
  • a) 10th
  • b) 12th
  • c) 14th
  • d) 18th
Q.15
Nephrostomes are found in
  • a) Integumentary Nephridia
  • b) Septal Nephridia
  • c) pharyngeal Nephridia
  • d) none of these
Q.16
In earthworm, the Nephridia without Nephrostomes are
  • a) pharyngeal
  • b) Integumentary
  • c) both (a) and (b)
  • d) none of these
Q.17
The enteronephric Nephridia in earthworm are
  • a) Integumentary
  • b) pharyngeal only
  • c) Septal only
  • d) both (b) and (c)
Q.18
Copulation occurs between two earthworms
  • a) generally at night during rainy season
  • b) generally at day time during rainy season
  • c) at night during winter season
  • d) at night during summer season
Q.19
Which region in earthworm is the forest of Nephridia?
  • a) Pharyngeal region
  • b) Clitellar region
  • c) Intestinal region
  • d) Typhlosolar region
Q.20
In earthworm, the circular muscles are highly developed in
  • a) body wall
  • b) gizzard
  • c) Typhlosole
  • d) pharynx
Q.21
In earthworm, the genital papillae are situated ventrally on segments
  • a) 17
  • b) 18
  • c) 19 and 22
  • d) 17 and 19
Q.22
The fertilization in earthworms occurs in
  • a) oviduct
  • b) spermatheca
  • c) cocoon
  • d) Clitellum
Q.23
The direction of blood flow in the dorsal vessel of earthworm is
  • a) from the posterior to the anterior end
  • b) from the anterior end to the posterior end
  • c) from dorsal vessel to ventral vessel
  • d) alternately in both directions (a) and (b)
Q.24
The Septal and pharyngeal Nephridia open into the alimentary canal and are of enteronephric type. It is an adaptation for
  • a) conservation of water
  • b) conservation of heat
  • c) regulation of temperature
  • d) regulation of amino acids
Q.25
The dorsal blood vessel in earthworm is
  • a) distributive in 1-13 segments
  • b) collective in 1-13
  • c) completely distributive
  • d) completely collective
Q.26
Structure typically represented in every segment of earthworm is
  • a) ovary
  • b) Chloragogen cell
  • c) testes
  • d) ganglia
Q.27
Sperm thecae in earthworm are meant for
  • a) producing sperms
  • b) storage of its own sperms
  • c) storage of sperms of another earthworm after copulation
  • d) all of these
Q.28
In earthworm, the first segment in which mouth is situated is known as
  • a) prostomium
  • b) peristomium
  • c) stomium
  • d) protostomium
Q.29
In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments. These are situated in the segments
  • a) 7th, 8 th, 9th and 10th
  • b) 8th, 10th, 12th and 15th
  • c) 8th, 9th, 12th and 13th
  • d) 7th, 9th, 12th and 13th
Q.30
The Clitellum singulum in earthworm is formed by
  • a) 12, 13 and 14 segments
  • b) 13, 14 and 15 segments
  • c) 14, 15 and 16 segments
  • d) 16, 17 and 1&segments
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