In mammalian ear, a membranous structure which separate the scala vestibuli and scala media is
Options
(a) Basilar membrane (b) Reissner’s membrane (c) Autolith membrane (d) Tectorial membrane
Correct Answer:
Reissner’s membrane
Explanation:
The […]
Dental formula of human being is
Options
(a) I₂, C₂, P₁, M₃ (b) I₂, C₁, P₂, M₃ (c) I₃, C₁, P₂, M₂ (d) I₂, C₂, P₃, M₁
Correct Answer:
I₂, C₁, P₂, M₃
Brunner’s gland are found in which of the following layers
Options
(a) Submucosa of stomach (b) Mucosa of ileum (c) Submucosa of duodenum (intestine) (d) Mucosa of oesophagus
Correct Answer:
Submucosa of duodenum […]
A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that its length increases by 2 mm. Another wire of length 8 m is made from […]
In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰. The current required to produce a deflection of 60⁰ is
Options
(a) 0.2 A (b) 0.3 A (c) 0.4 […]
If a proton, a deuteron and an alpha particle, on being accelerated by the same potential difference, enter perpendicularly to a magnetic field. The ratio of their respective kinetic energies is
Options
(a) […]
The depth at which the effective value of acceleration due to gravity is g/4 is (R=Radius of earth)
Options
(a) R (b) 3R/4 (c) R/2 (d) R/4
Correct Answer:
3R/4
Explanation:
The effect of […]
Weight of a body of mass m decreases by 1% when it is raised to height h above the earth’s surface. If the body is taken to a depth h in a mine, change in […]
As a result of interference of two coherent sources of light, energy is
Options
(a) Increased (b) Redistributed and the distribution does not vary with time (c) Decreased (d) Redistributed and the distribution […]
In a thermodynamic system, working substance is ideal gas. Its internal energy is in the form of
Options
(a) Kinetic energy only (b) Kinetic energy and potential energy (c) Potential energy (d) None […]
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