Multiple Choice Questions

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Which of the following is a catadromous fish?

  • Hilsa sp.

  • Mystus sp.

  • Anguilla sp.

  • Channa sp.


C.

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.


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In which type of reactions related to plant photosynthesis peroxisomes are involved?

  • Glycolate cycle

  • Calvin cycle

  • Bacterial photosynthesis

  • Glyoxylate cycle


'Water vascular' system is found in

  • sea-anemone

  • sea-pen

  • sea-cucumber

  • sea-horse


Lichens are described as indicator of

  • air pollution

  • water pollution

  • soil pollution

  • agriculture productivity


Most abundant mineral of animal body is

  • iron (Fe)

  • sodium (Na)

  • potassium (K)

  • calcium (Ca)


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Retrogressive metamorphosis occurs in

  • Hemichordata

  • Cephalochordata

  • Urochordata

  • Vertebrata


'Organ of Jacobson' helps in

  • touch

  • vision

  • smell

  • hear


Cysticercus stage is formed in

  • Taenia

  • Plasmodium

  • Leishmania

  • Wuchereria


The hormone responsible for 'Fight and Flight' response is

  • adrenalin

  • thyroxin

  • ADH

  • oxytocin


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Which of the following animal belongs to class-Crustacea?

  • Cockroach

  • Cyclops

  • Grasshopper

  • Mosquito