Which of the following ions are involved in the initiation of nerve impulse_______________?

Related Mcqs:

1. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of

   A. Diffusion
   B. Passive transport
   C. Osmosis
   D. Active transport

2. In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?

   A. Lysis
   B. Lysogeny
   C. Induction
   D. Adsorption

3. Cell membrane under resting conditions is impermeable to all the ions except_____________?

   A. Na+
   B. K+
   C. Cl-
   D. PO4-2

4. The diffusion of ions along with water also takes place by mass flow system along the ________ path?

   A. Tonoplast
   B. Apoplast
   C. Symplast
   D. Vacuolar

5. Which of the following transmits nerve impulse from receptors to central nervous system?

   A. Sensory neuron
   B. Motor neuron
   C. Associative neuron
   D. none of these.

6. All of the following are involved in nitrification except

   A. Nitrobacter
   B. Nitrosomonas
   C. Rhizohium
   D. All of these

7. Which of the following cells are involved in soft callus formation?

   A. Fibroblast and osteoblast.
   B. Osteoblast and osteoclast.
   C. Osteoclast and osteocyte
   D. Onteocyte and osteoblast

8. Maximum speed of nerve impulse transmission is____________?

   A. 100 m/sec
   B. 110 m/sec
   C. 120m/sec
   D. 130 m/sec.

9. Sensory Nerve carry message from body to ____________?

   A. Brain
   B. Body
   C. Liver
   D. None of these

   Submitted by: Muhammad Ismail

10. More than ___________ compounds of tar of tobacco smoke are involved to cause cancer?

    A. 5
    B. 90
    C. 15
    D. 10