The similarity between Ascaris lumbricoides and Anopheles stephensi is:

1. Sexual dimorphism
2. Metamerism
3. Anaerobic respiration
4. Endoparasitism
Subtopic:  Phylum Aschelminthes | Phylum Arthropoda |
 58%
Level 3: 35%-60%
AIPMT - 2000
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Given below are four matchings of an animal and its kind of respiratory organ:
 

A. Silverfish – trachea
B. Scorpion – book lung
C. Sea squirt – pharyngeal gills
D. Dolphin – skin

The correct matchings are:

1. A and D

2. A, B, and C

3. B and D

4. C and D

Subtopic:  Phylum Arthropoda |
 72%
Level 2: 60%+
AIPMT - 2003
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Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits:

1. Pheretima – Sexual dimorphism
2. Musca – Complete metamorphosis
3. Chameleon – Mimicry
4. Taenia – Polymorphism

Subtopic:  Phylum Arthropoda |
Level 4: Below 35%
AIPMT - 2003
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In Arthropoda, the head and thorax are often fused to form a cephalothorax, but in which one of the following classes, is the body divided into head, thorax, and abdomen?

1. Myriapoda

2. Crustacea

3. Arachnida and Crustacea

4. Insecta 

Subtopic:  Phylum Arthropoda |
 73%
Level 2: 60%+
AIPMT - 2004
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