JIPMER 2006
- Exam
- JIPMER
- Year
- 2006
- Subject
- Botany
- Chapter
- Animal Kingdom
JIPMER 2006 · Botany · Animal Kingdom
Class Crustacea differs from Insecta in having :
Class Crustacea differs from Insecta in having :
Options
- Atwo pairs of antennae
- Bjointed foot
- Cchitinous cuticle
- Dnone of the above
Correct answer
A. two pairs of antennae
Step-by-step solution
The main characteristics of class Crustacea and Insecta are as follows :
(1) Class Crustacea : Mostly aquatic with gills, two pairs of antennae and atleast three pairs of jaws, appendages mostly biramous and always more than four in the trunk region.
Example : prawn, crab, lobster etc.
(2) Class Insecta : Hexapod arthropods with a pair of antennae and three pairs of Jaws.
Example : cockroach, grasshopper, bees, housefly etc.