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:
1. |
Ornithorhynchus: |
Oviparous mammal |
2. |
Macropus: |
Marsupial mammal |
3. |
Balaenoptera: |
Largest land mammal |
4. |
Pteropus: |
Flying mammal |
Homeothermy is exhibited by:
(1) All amniotes
(2) Birds and Mammals
(3) All dueterostomes
(4) Reptiles and Mammals
Pteropus is a/an:
1. | Limbless amphibian |
2. | Extinct reptile that evolved into mammals |
3. | Bony fish that migrates from sea water to fresh water for breeding |
4. | Mammal with flight |