Mention any four features present in animals grouped under phylum Mollusca.

Mention any four features present in animals belonging to phylum Porifera.

Mention any four symptoms of viral diseases in plants.

Mention any four aconomic uses of Ascomycetes.

Mention any four fundamental features that form the basis of classification of animals.

Mention four features which influence the adsorption of a gas on a solid.

Name any four sites where ribosomes are present in plant cells.

Given below are the pairs of animals and phylum which they belong to. Which out of these is not a matching pair and why? Taenia (Tapeworm) - Platyhelminthes Pheretima (Earthworm) - Annelida Asterias (Starfish) - Mollusca Adamsia (Sea anemone) - Coelenterate

Mention four sites in an adult human body, where cartilage is present.

What is algin in Phaeophyceae? Mention any four uses of it.

Give the classification of man, Mentioning at least one feature of each group.