Ivan Pavlov performed experiments on

• origin of life

• cardiac reflexes

• simple reflexes

• conditioned reflexes

162.

From acrosome, which secretes

• hyaluronic acid

• hyaluronidase

• TSH

• fertilizin

In motor neuron the impulse following in which direction?

• In two direction

• In one drection

• In all direction

• None of the above

Which of the following is not a mental disorder?

• Epilepsy

• Neurosis

• Psychosis

• Plague

Proximal and distal convoluted tubules are parts of a

• nephron

• oviduct

• vas deferens

• caecum

Cranial nerve showing maximum branching is

• trigeminal

• vagus

• optic

• facial

In human eyes, colour perception is done by

• rod cells only

• cone cells only

• Both (a) and (b)

• choroid laver cells

During the conduction of nerve impulse, the action potential is the result of movement of

• Na⁺ from intracellular fluid to extracellular fluid

• Na⁺ from extracellular fluid to intracellular fluid

• Na⁺ towards both directions

• None of the above

Which are the longest cells in the body of man ?

• Muscle cells of legs

• Bone cells

• Nerve cells

• None of the above

Which of the following nerve is purely motor nerve?

• vagus

• facial

• abducens

• trigeminal