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Quiz 3
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Q.1
Gizzard (proventriculus) in cockroach lies between
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a) oesophagus and stomach
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b) crop and mesenteron
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c) mesenteron and ileum
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d) oesophagus and crop
Explanation
Answer:(b)
Q.2
Which statement regarding anal cerci and anal style in cockroach is correct?
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a) Anal cerci are absent but anal styles are present in male.
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b) Anal cerci are absent and anal styles are present in female.
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c) Anal styles are absent and anal cerci are present in male.
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d) Anal styles are absent and anal cerci are present in female.
Explanation
Answer:(d)
Q.3
Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.
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a) Reptilia; annelida
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b) Insecta; Arthropoda
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c) Insecta; annelida
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d) Reptilia; Arthropoda
Explanation
Answer:(b)
Q.4
Male cockroach can be identified from the female by the presence of
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a) long antennae
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b) wingless body
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c) elongated abdomen
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d) anal styles
Explanation
Answer:(d)
Q.5
A Chitinous lining in earthworm is found in
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a) pharynx
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b) stomach
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c) Typhlosole
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d) gizzard
Explanation
Answer:(b)
Q.6
Earthworm is useful because it
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a) helps in fixing atmospheric nitrogen
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b) helps in making the land porous
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c) kills harmful bacteria of the soil
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d) helps in making the land fertile by turning it upside down
Explanation
Answer:(d)
Q.7
Blood glands in Earthworm are associated with
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a) excretion
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b) digestion
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c) secretion
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d) none of these
Explanation
Answer:(c)
Q.8
The pre-Typhlosole region in Pheretima extends from
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a) fifth to twenty-sixth segment
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b) first to twenty-sixth segment
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c) fifteenth to twenty-sixth segment
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d) immediately after clitellar region to twenty sixth segment
Explanation
Answer:(c)
Q.9
A skeleton like function during locomotion of Pheretima is performed by
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a) alimentary canal laden with mud
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b) blood
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c) coelomic fluid
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d) ventral nerve cord
Explanation
Answer:(c)
Q.10
Role of Typhlosole in the intestine of earthworm is
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a) to kill bacteria
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b) to increase absorptive surface
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c) to produce digestive enzymes
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d) to control blood flow
Explanation
Answer:(b)
Q.11
The nitrogenous waste in earthworm consist of about
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a) 40% urea and 40% uric acid
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b) 50% urea and 40% ammonia
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c) 40% ammonia and 20% amino acids
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d) 60% ammonia and 20% amino acids
Explanation
Answer:(b)
Q.12
In earthworm, the Septal Nephridia put their excretory discharge into
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a) intestine
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b) blood
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c) coelom
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d) gizzard
Explanation
Answer:(a)
Q.13
Earthworms do not have any respiratory organs because
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a) they do not need them
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b) they are burrowing in habit
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c) there is no sufficient space for such organs
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d) the surface acts as an absorptive area which is larger than the volume
Explanation
Answer:(d)
Q.14
The female genital aperture in earthworm is present ventrally on segment
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a) 10th
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b) 12th
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c) 14th
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d) 18th
Explanation
Answer:(c)
Q.15
Nephrostomes are found in
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a) Integumentary Nephridia
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b) Septal Nephridia
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c) pharyngeal Nephridia
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d) none of these
Explanation
Answer:(b)
Q.16
In earthworm, the Nephridia without Nephrostomes are
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a) pharyngeal
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b) Integumentary
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c) both (a) and (b)
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d) none of these
Explanation
Answer:(c)
Q.17
The enteronephric Nephridia in earthworm are
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a) Integumentary
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b) pharyngeal only
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c) Septal only
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d) both (b) and (c)
Explanation
Answer:(d)
Q.18
Copulation occurs between two earthworms
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a) generally at night during rainy season
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b) generally at day time during rainy season
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c) at night during winter season
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d) at night during summer season
Explanation
Answer:(a)
Q.19
Which region in earthworm is the forest of Nephridia?
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a) Pharyngeal region
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b) Clitellar region
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c) Intestinal region
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d) Typhlosolar region
Explanation
Answer:(b)
Q.20
In earthworm, the circular muscles are highly developed in
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a) body wall
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b) gizzard
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c) Typhlosole
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d) pharynx
Explanation
Answer:(b)
Q.21
In earthworm, the genital papillae are situated ventrally on segments
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a) 17
0%
b) 18
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c) 19 and 22
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d) 17 and 19
Explanation
Answer:(d)
Q.22
The fertilization in earthworms occurs in
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a) oviduct
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b) spermatheca
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c) cocoon
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d) Clitellum
Explanation
Answer:(c)
Q.23
The direction of blood flow in the dorsal vessel of earthworm is
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a) from the posterior to the anterior end
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b) from the anterior end to the posterior end
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c) from dorsal vessel to ventral vessel
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d) alternately in both directions (a) and (b)
Explanation
Answer:(a)
Q.24
The Septal and pharyngeal Nephridia open into the alimentary canal and are of enteronephric type. It is an adaptation for
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a) conservation of water
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b) conservation of heat
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c) regulation of temperature
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d) regulation of amino acids
Explanation
Answer:(a)
Q.25
The dorsal blood vessel in earthworm is
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a) distributive in 1-13 segments
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b) collective in 1-13
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c) completely distributive
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d) completely collective
Explanation
Answer:(a)
Q.26
Structure typically represented in every segment of earthworm is
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a) ovary
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b) Chloragogen cell
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c) testes
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d) ganglia
Explanation
Answer:(d)
Q.27
Sperm thecae in earthworm are meant for
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a) producing sperms
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b) storage of its own sperms
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c) storage of sperms of another earthworm after copulation
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d) all of these
Explanation
Answer:(c)
Q.28
In earthworm, the first segment in which mouth is situated is known as
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a) prostomium
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b) peristomium
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c) stomium
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d) protostomium
Explanation
Answer:(b)
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
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a) 7th, 8 th, 9th and 10th
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b) 8th, 10th, 12th and 15th
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c) 8th, 9th, 12th and 13th
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d) 7th, 9th, 12th and 13th
Explanation
Answer:(d)
Q.30
The Clitellum singulum in earthworm is formed by
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a) 12, 13 and 14 segments
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b) 13, 14 and 15 segments
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c) 14, 15 and 16 segments
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d) 16, 17 and 1&segments
Explanation
Answer:(c)
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