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Multiple Choice Questions

Maximum absorption of water occurs in :

  • colon

  • rectum

  • large intestine

  • small intestine


Trochophore is the larva of :

  • Neopilina

  • Chiton

  • Pila

  • all of these


Which of the following character is presence essentialy in chordates ?

  • Ventral spinal chord

  • Dorsal heart

  • Pharyngeal gill slits

  • Blood flow in forward direction in ventral blood vessels


Neural canal is present in :

  • humerus

  • tibia-fibula

  • vertebral column

  • cranial bones


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Blood leaving liver and going towards heart is rich in :

  • bile

  • urea

  • ammonia

  • oxygen


'Digestion' word means :

  • buring of food

  • oxidation of food

  • hydrolysis of food

  • break down of food


Chloragogen cells of earthworms are analogous to vertebrate :

  • lungs

  • liver

  • gut

  • kidneys


Sigmoid notch is formed by :

  • cavity formed by humerus

  • cavity formed by radio ulna

  • cavity formed by tibia fibula

  • cavity formed by femur


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Food storage in Leucosolenia occur by :

  • ostia

  • osculum

  • thesocyte

  • spongocoel


Class Crustacea differ from Insecta in having:

  • two pairs of antennae

  • jointed foot

  • chitinous cuticle

  • none of these