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)

Retrogressive metamorphosis occurs in

• Hemichordata

• Cephalochordata

• Urochordata

• Vertebrata

46.

'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

Which of the following is a catadromous fish?

• Hilsa sp.

• Mystus sp.

• Anguilla sp.

• Channa sp.

Which of the following animal belongs to class-Crustacea?

• Cockroach

• Cyclops

• Grasshopper

• Mosquito