NEET 2007
- Exam
- NEET
- Year
- 2007
- Subject
- Botany
- Chapter
- Animal Kingdom
NEET 2007 · Botany · Animal Kingdom
What is true about Nereis, scorpion, cockroach and silver fish?
What is true about Nereis, scorpion, cockroach and silver fish?
Options
- Athey all possess dorsal heart
- Bnone of them is aquatic
- Cthey all belong to the same phylum
- Dthey all have jointed paired appendages.
Correct answer
A. they all possess dorsal heart
Step-by-step solution
(Ref to Table)
Nereis Scorpion Cockroach Silver fish Dorsal heart Present Present Present Present Habitat under logs, rocks, boards and clutter. damp but warm places dark, damp areas Phylum Annelida Arthropoda Arthropoda Arthropoda Presence of jointed appendages Absent Present Present Present
Related Theory
Scorpions are found on every continent except Antarctica, in habitats ranging from tropical rainforests to grasslands and deserts. As aduits, most scorpions are nocturnal and solitary, usually staying in the same territory throughout their lives. Many live in burrows they dig or claim and defend from other wildlife.