Classes of Animals MCQs with Answers

Which of the following groups of organisms are found in Kingdom Animalia?

• A.Mammals, amphibians, sponges, insects, and worms
• B.Bacteria, viruses, fungi, protozoa, and algae
• C.Mosses, ferns, conifers, flowering plants, and algae
• D.None of these

All the insects have _ pairs of legs.

• A.Two
• B.Four
• C.Three
• D.Five

Tornaria larva when discovered in 1850 was mistaken as larva of ?

• A.Mollusca
• B.Echinoderm
• C.Annelida
• D.Arthropoda

Past Paper MCQ

A bee is an example of a(n):

• A.Insect
• B.Arachnid
• C.Crustacean
• D.Myriapod

Epidermal gills are present in _?

• A.Cartilaginous fishes
• B.Tailed amphibians
• C.Bony fishes
• D.Reptiles

An important characteristic feature, which is present only in the phylum Coelenterata?

• A.Malpighian tubules
• B.Flame cells
• C.Nematocysts
• D.Parapodia

Which mammals are considered the connecting link between reptiles and mammals?

• A.Marsupials
• B.Monotremes
• C.Placentals
• D.Cetaceans

The primary reason amphibians are still tied to the water is ?

• A.They breathe through gills only
• B.Their eggs are easily dehydrated
• C.They cannot walk on land
• D.Their skin does not allow air exposure

Animals belonging to phylum Cnidaria have a cavity known as ?

• A.Coelom
• B.Gastrovascular cavity
• C.Pseudocoelom
• D.Haemocoel

Which of the following features are common in most insects?

• A.Wings and antennae
• B.Fins and gills
• C.Scales and fins
• D.None of these