Birds are not characterized by:

1. Forelimbs modified into wings

2. Fully ossified endoskeleton

3. Skin dry without glands except for oil gland

4. Oviparous and external fertilization

Which of the following is not an avian character?

(1) Cartilaginous bones which are pneumatic

(2) Homoiothermus

(3) Hind limbs have scales

(4) Fertilisation is internal

National bird of India is

(1) Psittacula

(2) Passer domesticus

(3) Pavo cristatus

(4) Parakeet

In which of the following are air sacs connected to the lungs?

(1) Neophron

(2) Testudo

(3) Ornithorhynchus

(4) Chelone

Select the incorrect match with respect to group of animals and their taxon

1. Ichthyophis, Bufo, Hyla – Amphibia

2. Hippocampus, Exocoetus, – Osteichthyes Pterophyllum

3. Corvus, Chelone, Calotes – Reptilia

4. Pteropus, Equus, – Mammalia Delphinus

Which one of the following organisms bears hollow and pneumatic long bones? 

1. Macropus

2. Ornithorhynchus

3. Neophron

4. Hemidactylus

Identify the incorrectly matched pair:

Homeothermy is exhibited by:

(1) All amniotes

(2) Birds and Mammals

(3) All dueterostomes

(4) Reptiles and Mammals

Pteropus is a/an: