Which one of the following is correctly matched with its one characteristic and the taxon?

	Animals	Characteristic	Taxon
1.	Millipede	Ventral nerve cord	Arachnida
2.	Duckbill platypus	Oviparous	Mammalia
3.	Silverfish	Pectoral and pelvic fins	Chordata
4.	Sea anemone	Triploblastic	Cnidaria

Which of the following does not come under the Class Mammals?

(1) Flying fox

(2) Hedgehog

(3) Manatee

(4) Lamprey

National bird of India is

(1) Psittacula

(2) Passer domesticus

(3) Pavo cristatus

(4) Parakeet

Stinging capsules (nematocysts) are found in

(1) wasp and honeybee

(2) scorpion and cobra

(3) sea pen and sea fan

(4) cactus and Venus flytrap

In which of the following sets of organisms, does the external fertilization occur?

1. Echinodermata and mosses

2. Hemichordata and ferns

3. Amphibians and algae

4. Reptiles and gymnosperms

In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.

Some salient features and phyla of organisms are given below. Select the option which shows the correct combination of organism, its phylum and salient features.

Select the option that correctly matches characteristic features with the group of three animals.

(1) Skeleton of spicules − Sycon, Adamsia, Spongilla

(2) Excretion by flame − Taenia, Fasciola, Ancylostoma

(3) Mouth contains radula −  Dentalium, Octopus, Ophiura

(4) Jointed appendages −  Limulus, Apis, Laccifer

Water transport system or canal system is a characteristic feature of which animal?

1. Spongilla

2. Hydra

3. Asterias

4. Echinus

Fresh water sponge is the common name of

(1) Hydra

(2) Sycon

(3) Spongilla

(4) Euspongia