Phylum Arthropoda QUESTIONS AND ANSWERS

Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part12 : 1 to 5

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

1.Phylum mollusca can be distinguished from other invertebrates by the presence of

Bilateral symmetry and exoskeleton

Shell and non-segmented body

Mantle and non-segmented body

Mantle and gills

2.Devil Fish and Sea Hare are

Coelenterates

Marine fish and mammal

Crustaceans

Molluscs

3.Statement (S). in many gastropods, the anus and mantle cavity are placed anteriorly above the head. Reason (R). During embryonic development, in many gastropods one side of the visceral mass grows faster than the other side. The uneven growth rotates the visceral organs upto 180° in many gastropods

Both S and R are true and R explains S

Both S and R are true but R cannot explain S

Only S is correct R is wrong

Both S and R are wrong

4.Respiratory tree occurs in

Sea Fan

Sea Lily

Sea Cucumber

Sea Urchin

5.The larvae of Echinodermates are

Trochophore and Auricularia

Bipinnaria and Brachiolaria