46341.What is correct in reference with nerve impulse ?
Self-induced and unidirectional
Selt-induced and bidirectional
Electric potential in the nerve by region increase
Ion channel get closed in this region.
46342.Respiration is helpful in
Removing waste from the body
Producing energy within the body
Production of proteins
Production of carbohydrates.
46343.Respiration,occures in the presence of oxygen in called
Fermentation
Anaerobic respiration
Glycolysis
Aerobic respiration
46346.Which of the following is correct for somatotropic hormone?
Less secretions of it causes Giantism
More secretion of it causes Dwarfism
Optimal secretion of it can retards protein synthesis
In adult, its more secretion causes enlargement of lower jaw
46355.Which option is correct for ion chhanel ?
They are consist of lipid.
They always remain open.
They are Permeable to more than one ion
They are consist of protein
46373.The thin membrane around the heart is
Myocardium
Pericardium
Pleural membrane
Parietal peritoneum
46399.In which of the following cilliary movment can be seen ?
In trachea
In oviduct
In vasa efferentia
All a, b, c.
46424.What type of process the transmission of nerve impluse is ?
Electromagnetic
Electro -chemical
only Elecrical
only Magnetic
46470.Which cells secretes testosterone ?
Sertoli cells
Germinal cells
Interstitial cells
a) and b) both
46473.A microspore is a
Male gamate
First cell of male gametophyte
Last cell of male gametophyte
Diploid cell