Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

11.

Which cranial nerve has the highest number of branches?

  • Facial nerve

  • Trigeminal

  • Vagus nerve

  • None of these


12.

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)


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13.

The joint between atlas and axis is called

  • Pivot joint

  • Hinge joint

  • Saddle joints

  • Angular joint


A.

Pivot joint

Axis vertebra possesses a peg-like structure called the odontoid process which projects forward from the centrum. It fits into the cavity of the atlas below the ligament so that it is separated from the neural canal. Such an arrangement gives a pivot joint which allows the head to shake (rotate from one side to the other).


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14.

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

  • B

  • A

  • O

  • AB


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15.

Rate of heart beat is determined by

  • Purkinje Fibres

  • Papillary muscles

  • SA-node

  • AV-node


16.

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

  • Junction point

  • A synapse

  • A joint

  • Constant bridge


17.

Chondrichthyes is characterised by

  • Placoid scale

  • Ventral mouth

  • Ctenoid scale and ventral mouth

  • Placoid scale and ventral mouth


18.

The stratified epithelium is found in

  • Seminiferous tubule

  • Fallopian tube

  • Nasal cavity

  • Kidney tubules


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19.

Dead space air in man is

  • 500 ml

  • 150 ml

  • 250 ml

  • 1.5 L


20.

Vetebrate brain differentiates from

  • Endoderm

  • Mesoderm

  • Ectoderm

  • Blastoderm


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