Viva Voce: Animal Kingdom | Lab Manuals for Class 9 PDF Download

Q.1. What is the meaning of Arthropoda?

Arth means joints and Poda means feet.

Q.2. What is Operculum?

The skin layer covering the gills in fish is called operculum.

Q.3. What is ornithology?

The study of birds is called ornithology.

Q.4. Give one distinguishing feature of Male and Female cockroach.

Male cockroach possesses anal style whereas female cockroach does not possess it.

Q.5. Birds are warm blooded, how do they maintain their body temperature?

Birds have feathers on their body to provide insulation and maintain body temperature.

Q.6. Why don’t cockroaches have blood in their body?

The breathing is through small openings called spiracles and through tracheae the oxygen reaches each and every cell.

Q.7. Name two hermaphrodite of India.

Hermaphrodite: Animals with both the sexes present in it. For example, Earthworm, Snail.

Q.8. Give one difference between cartilaginous fish and bony fish.

In cartilaginous fish mouth is ventral and in bony fish mouth is dorsal.

Q.9. What is cutaneous respiration?

Respiration through skin is called cutaneous respiration e.g. in Earthworm.

Q.10. In which body segment of an earthworm is the clitellum formed?

The clitellum is found in 14-16 segment.

Q.11. Name the sensory organ in cockroach.

Antenna

Q.12. Name the smallest bird in the world.

Humming bird

Q.13. Give two examples of bony fish.

Labeo, Catla.

Q.14. Why are fish called cold-blooded animals?

The body temperature of fish changes with the external temperature.

Q.15. Name the respiratory organ in cockroach and earthworm.

Cockroach – spiracles Earthworm – skin.