Classes of Animals MCQs with Answers

When the larva is more developed than the adult condition, it is known as ?

• A.Neoteny
• B.Metamorphosis
• C.Paedogenesis
• D.Axolotl larva

Dorsal fin in fish is categorized as ?

• A.Paired fin
• B.Caudal fin
• C.Median fin
• D.Pectoral fin

Which of these is not a living fossil?

• A.Limulus (Horseshoe crab)
• B.Archaeopteryx
• C.Ginkgo biloba
• D.Coelacanth

Past Paper MCQ

Bilateral symmetry is important for?

• A.Active lifestyle for efficient movement & sensory perception
• B.Sessile lifestyle with filter-feeding mechanism
• C.Radial distribution of sensory organs
• D.Passive floating in aquatic environments

The life cycle of the frog is?

• A.Egg → larva → pupa → adult
• B.Frogspawn → tadpoles → froglet → frog
• C.Egg → nymph → adult
• D.Egg → caterpillar → pupa → frog

A common feature; streamlined body, found in fast swimmers of different phyla is a result of an evolutionary process called ?

• A.Convergent evolution
• B.Divergent evolution
• C.Parallel evolution
• D.Adaptive radiation

Gland cells of stomach in Pheretima produce _?

• A.Bile
• B.Hydrochloric acid
• C.Pepsin
• D.Mucus

Taxonomic subdivision of genus is _?

• A.Class
• B.Family
• C.Order
• D.Species

and some other phyla belong to the clade Deuterostomia.

• A.Arthropods
• B.Molluscs
• C.Chordates
• D.Annelids

What is the basic unit of classification?

• A.Genus
• B.Order
• C.Family
• D.Species