NEET
Zoology

Cockroach Intro External Morphology

Low Priority
Consistency: 20%
Weightage: 4 / 20 Yrs

High-Yield Trend

1
2024
1
2022
1
2018
1
2012

Questions
4 MCQs

01
PYQ 2012
easy
zoology ID: neet-201

Select the correct statement from the ones given below with respect to Periplaneta americana.

1. Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives
2. Males bear a pair of short thread-like anal styles
3. There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut
4. Grinding of food is carried out only by the mouth parts



1
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2
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3
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4
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02
PYQ 2018
easy
zoology ID: neet-201
Which of the following feature is used to identify a male cockroach from a female cockroach?
1. Presence of a boat shaped sternum on the 9th abdominal segment
2. Presence of caudal styles
3. Forewings with darker tegmina
4. Presence of anal cerci

1
(1)
2
(2)
3
(3)
4
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03
PYQ 2022
easy
zoology ID: neet-202

Tegmina in cockroach, arises from :

1. Prothorax and Mesothorax 2. Prothorax
3. Mesothorax 4. Metathorax
1
(1)
2
(2)
3
(3)
4
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04
PYQ 2024
easy
zoology ID: neet-202
In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on:
1. segment
2. and segment
3. segment
4. segment
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(1)
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(2)
3
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4
(4)