Exterior angle of a regular pentagon is:
A) 72°
B) 88°
C) 100°
D) 108°
If log25 – 2 log5=log a then the value of ‘a’ is:
A) 0
B) 1
C) 10
D) 20
If a
bard care the sides of a triangle and if
a²+ b²=c² then the triangle is
A)right
B) acute
C) obtuse
D) supplementary
Which
of the following cellscover the body and protect inner layers?
A) White blood cells
B) Red blood cells
C) Skin cells
D) Nerve cells
Which of the following is front part of eye, which is transparent and allows light rays enter the eye?
A) Lens
B) Iris
C) Pupil
D) Cornea
Which the following is the actual hearing organ?
A) Cochlea
B) Femur
C) Chronicle
D) Brain
Explanation:The cochlea, the hearing organ,
is located inside the inner ear. The snail-like cochlea is made up of three
fluid-filled chambers that spiral around a bony core, which contains a central
channel called the cochlear duct
