Multiple Choice Questions

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Vetebrate brain differentiates from

  • Endoderm

  • Mesoderm

  • Ectoderm

  • Blastoderm


C.

Ectoderm

The brain is the centre of the nervous system in all vertebrates and most invertebrate animals. The neural plate of ectoderm forms the brain, spinal cord and nerves.


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Chondrichthyes is characterised by

  • Placoid scale

  • Ventral mouth

  • Ctenoid scale and ventral mouth

  • Placoid scale and ventral mouth


The problem due to Rh factor arises when the blood of two (Rh and Rh) mixup

  • During Pregnancy

  • Through transfusion

  • In a test tube

  • Both (a) and (b)


The junction between the axon of one neuron and the dendrite of the next is called

  • Junction point

  • A synapse

  • A joint

  • Constant bridge


The stratified epithelium is found in

  • Seminiferous tubule

  • Fallopian tube

  • Nasal cavity

  • Kidney tubules


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Dead space air in man is

  • 500 ml

  • 150 ml

  • 250 ml

  • 1.5 L


The joint between atlas and axis is called

  • Pivot joint

  • Hinge joint

  • Saddle joints

  • Angular joint


Which cranial nerve has the highest number of branches?

  • Facial nerve

  • Trigeminal

  • Vagus nerve

  • None of these


The blood group with antibody-a and antibody-b is

  • B

  • A

  • O

  • AB


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Rate of heart beat is determined by

  • Purkinje Fibres

  • Papillary muscles

  • SA-node

  • AV-node