List of practice Questions

_____ protects the heart from shocks.
Blood capillaries were discovered by _____ in 1661.
____ is a vital link between blood and tissues by which essential substances pass from blood to cells and excretory products from cells to blood.
In trees, removal of ____ prevents transportation of food.
____ controls the movement of food and air towards their respective passages.
Muscular tissue present at the floor of the chest cavity is ____ .
In the absence of oxygen, glucose is converted to ethanol in ____ .
During cellular respiration, energy is stored in ____ cell organelle.
Plants which undergo the vegetative reproduction through roots
The sum of first 'n' natural numbers is
How many two-digit numbers are divisible by 3?
The pair of equations x=0 and x=5 has
The sum of roots of a quadratic equation \(3x^2 -7x+11=0\) is
The roots of a quadratic equation \(x^2-3x-10=0\) are
The distance between the points (2, 3) and (4, 1) is
In an A.P. if the first term is 4 and 9th term is 20 then 15th term is
The degree of a quadratic equation \(ax^2+bx+c=0, \ a≠0\) is
If \(α, β\) are the roots of a quadratic equation \(ax^2+bx+c=0,\ a≠0\) then \(α^2+β^2\)
The sum of \(10\) terms of A.P. \(:2,7,12,.........\) is
If the H.C.F. of any two numbers is equal to '1' then those numbers are called as
The number \(π\) is a
If A= {a, b, c, d} then number of subsets of A are
If the focal length of a spherical mirror is 10 cm, what is the value of radius of curvature?
If a convex lens is placed in water, it's focal length
Which of the following is the formula for magnification in case of spherical mirror?