Identify the option where all the columns are not correctly matched:
Animal | Phylum | Features | |
1. | Pleurobrachia | Ctenophora | Comb plates, Only sexual reproduction |
2. | Loligo | Mollusca | Radula, Dioecious |
3. | Balanoglossus | Hemichordata | Respiration by gills, Proboscis gland |
4. | Ascidia | Chordata | Marine, Notochord persistent throughout life |
Which of the following is not an Echinoderm character?
1. Exclusively marine
2. Radial symmetry in adults
3. Protostome embryonic development
4. Water vascular system
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
Echinoderms are not characterized by:
1. An absence of excretory system
2. Bisexual animals
3. Usually external fertilization
4. Indirect development with free swimming larva
Operculum and an air bladder are present in :
1. Clarias
2. Pristis
3. Trygon
4. Carcohrodon
Identify the incorrectly matched pair:
Animals | Feature present in both | |
1. | Balanoglossus and Pinctada | Open circulatory system |
2. | Branchiostoma and Ascidia | Persistent notochord |
3. | Aplysia and Pheretima | True coelom |
4. | Gorgonia and Pennatula | Cnidoblasts |
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
Which of the following is not an arthropod characteristic?
1. Jointed appendages
2. Non-segmented bodies
3. Periodic moulting
4. Articulated exoskeleton
Amniotes include all except:
(1) Amphibians
(2) Reptiles
(3) Birds
(4) Mammals
An animal with the following body wall organization will not have:
1. Cephalization
2. Three germ layers
3. Bilateral symmetry
4. A complete digestive tract