List of top Zoology Questions on Morphology and functional morphology of invertebrates

Study the following and pick up the correct statements: I. In cockroach plantulae help to walk on smooth surfaces. II. Contraction of the dorso-longitudinal muscles and relaxation of the dorso-ventral muscles cause depression of wings in cockroach. III. In fat bodies of cockroach, oenocytes contain symbiotic bacteria. IV. Anal styles are jointed structures found in cockroaches.
Assertion (A): Pseudopodia of Amoeba are of lobopodia type. Reason (R): Pseudopodia of Amoeba are finger like with blunt tips.
After binary fission in Paramecium opisthe develops new:
Choose the incorrect statements regarding Hirudinea
  • A. Male reproductive system has cirrus.
  • B. They are exclusively marine and tubicolous.
  • C. Fertilization is external and development is direct.
  • D. Clitellum is conspicuous during the breeding season only.
Flowers having both the stamens and carpels are called
Assertion (A): Adult gastropods are asymmetrical though they are included in phylum Mollusca.
Reason (R): Symmetry of organism is determined in early developmental stages but not in adults.