The similarity between Ascaris lumbricoides and Anopheles stephensi is:
| 1. | Sexual dimorphism |
| 2. | Metamerism |
| 3. | Anaerobic respiration |
| 4. | Endoparasitism |
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
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 |
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