Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Animal Kingdom

Multiple Choice Questions

181.

'Water vascular' system is found in

sea-anemone
sea-pen
sea-cucumber
sea-horse

182.

Retrogressive metamorphosis occurs in

Hemichordata
Cephalochordata
Urochordata
Vertebrata

183.

'Organ of Jacobson' helps in

touch
vision
smell
hear

184.

Cysticercus stage is formed in

Taenia
Plasmodium
Leishmania
Wuchereria

185.
Which of the following is a catadromous fish?

Hilsa sp.

Mystus sp.

Anguilla sp.

Channa sp.

Anguilla sp.

Anguilla sp, is a catadromous fish found on the Eastern coast of North America. It has a snake-like body with a small sharp pointed head. It has sharp pointed teeth but no pelvic fins. It is very similar to the European eel, but the two species differ in number of chromosomes and vertebrae.