Question

Match the articles of the column I and II (single matching)

Column 1	Column 2
Cycas	Coelenterate
Hydra	Fish
Anabaena	Gymnosperm
Sea Horse	Moneran

Answer 1

A) Cycas iii) Gymnosperm

1. Cycas have naked unfertilized seeds directly fertilized by pollination. Also, they have the unbranched structure of stems.

B) Hydra i) Coelenterate

1. Hydra is coelenterate as its body is radially symmetrical and does not have a coelom.
2. It possesses nematocysts for locomotion, defence and capturing prey.
3. They are also called Cnidaria the name Cnidaria is derived from the cnidoblasts (which contain a stinging capsule).

C) Anabaena iii) Moneran

1. Anabaena is a filamentous cyanobacterium known for nitrogen-fixing abilities.
2. Cyanobacteria are unicellular, autotrophic prokaryotes, therefore, placed under the kingdom Monera.

D) Sea Horse iv) Fish

1. Seahorse is placed under Fish because they breathe through gills and have swim bladders similar to fishes.

Column I	Column II
Cycas	Gymnosperm
Hydra	Coelenterate
Anabaena	Moneran
Sea Horse	Fish