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Q. No.
What external changes are visible after the last moult of a cockroach nymph?
1. Anal cerci develop
2. Both fore wings and hind wings develop
3. Labium develops
4. Mandibles become harder
What external changes are visible after the last moult of a cockroach nymph?
1. Anal cerci develop
2. Both fore wings and hind wings develop
3. Labium develops
4. Mandibles become harder
2. Both fore wings and hind wings develop
3. Labium develops
4. Mandibles become harder
Subtopic: Cockroach: Female Reproductive System (OLD NCERT) |
86%
From NCERT
AIPMT - 2013
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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 |
Subtopic: Cockroach: Intro & External Morphology (OLD NCERT) |
80%
From NCERT
AIPMT - 2012
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Which of the following is correctly stated as it happens in the common cockroach?
| 1. | Oxygen is transported by hemoglobin in blood |
| 2. | The nitrogenous excretory product is urea |
| 3. | The food is ground by mandibles and gizzard |
| 4. | Malpighian tubules are excretory organs projecting out from the colon |
Subtopic: Cockroach: Head & Mouth Parts (OLD NCERT) |
63%
From NCERT
AIPMT - 2011
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Which of the following correctly describes the location of some body parts in the earthworm Pheretima?
| 1. | Two pairs of accessory glands in 16-18 segments |
| 2. | Four pairs of spermathecae in 4-7 segments |
| 3. | One pair of ovaries attached at intersegmental septum of 14th and 15th segments |
| 4. | Two pairs of tests in 10th and 11th segments |
Subtopic: Cockroach: Female Reproductive System (OLD NCERT) |
AIPMT - 2009
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Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:
| 1. | Pharynx → Oesophagus → Ileum → Crop → Gizzard → Colon → Rectum |
| 2. | Pharynx → Oesophagus → Crop → Gizzard → Ileum → Colon → Rectum |
| 3. | Pharynx → Oesophagus → Gizzard → Crop → Ileum → Colon → Rectum |
| 4. | Pharynx → Oesophagus → Gizzard → Ileum → Crop → Colon → Rectum |
Subtopic: Cockroach: Structure of Thorax (OLD NCERT) | Cockroach: Abdomen (OLD NCERT) | Cockroach: Digestive System (OLD NCERT) |
84%
From NCERT
NEET - 2019
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The terga,sterna and pleura of the cockroach body are joined by:
1. cementing glue
2. muscular tissue
3. arthrodial membrane
4. cartilage
Subtopic: Cockroach: Intro & External Morphology (OLD NCERT) |
92%
From NCERT
NEET - 2015
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The body cells in cockroaches discharge the nitrogenous waste in the hemolymph mainly in the form of?
1. Ammonia
2. Potassium urate
3. Urea
4. Calcium carbonate
Subtopic: Cockroach: Excretory System (OLD NCERT) |
58%
NEET - 2015
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Which of the following features is not present in Periplaneta americana?
| 1. | Indeterminate and radial cleavage during embryonic development |
| 2. | Exoskeleton composed of N-acetylglucosamine |
| 3. | Metamerically segmented body |
| 4. | -Schizocoelom as body cavity |
Subtopic: Cockroach: Solved Examples (OLD NCERT) |
66%
NEET - 2016
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Assertion (A) Bidder canal is associated with the conduction of sperms of frog.
Reason (R) These canals are the part of frog’s reproduction system and connect to the cloaca of frog.
Reason (R) These canals are the part of frog’s reproduction system and connect to the cloaca of frog.
1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3. Assertion is true, but Reason is false
4. Both Assertion and Reason are false
Subtopic: Cockroach: Excretory System (OLD NCERT) | Cockroach:Male Reproductive System (OLD NCERT) |
From NCERT
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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 |
Subtopic: Cockroach: Intro & External Morphology (OLD NCERT) |
74%
From NCERT
NEET - 2018
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