List of practice Questions

Find the missing value of "p" from the following table when Arithmetic Mean is 3.55.

X	1	2	3	4	5	6
F	8	9	p	16	9	8

If \(\sec \theta = \frac{2}{\sqrt{3}}\),then \(cosθ=\)

In Chloroplast chlorophyll is present in______

A person is flying a kite at a height of 30 m from the horizontal level. The length of string from the kite to the person is 60 m. Assuming that here is no slack in the string, the angle of elevation of kite to the horizontal level is

If three points (8, 1), (k,-4) and (2,-5) are collinear, then k=

Identify the correct ascending order of energies of forbitals.

If ax+b=0, then x =

How many molecules of hydrogen are present in 10 g of hydrogen ?

In a trapezium ABCD with \(AB || DC\)  and diagonals intersect each other at the point 'O'. If \(AB=2CD\), then the ratio of areas of triangles COD and AOB is 

IUCN (International Union for Conservation of Nature) was founded in which year ?

Choose correct option regarding magnetic lines of force

If area of cross section of a wire increases, while temperature and length are constant, then resistance of the wire

Coal, Petroleum (oil) and Natural Gas belongs to which type of fuels ?

General formula of alkynes

If the roots of the quadratic equation \(px^2+qx+r=0\), are equal, then \(q^2 =\)

\(\sqrt{2}+\sqrt{3}\) is

\(\triangle ABC \sim \triangle DEF\) and their areas are respectively \(81 \text{ cm}^2 \quad \text{and} \quad 225 \text{ cm}^2\); if \(EF = 5 cm\), then \(BC=\)

In which year was Kolleru lake declared as a Bird Sanctuary ?

Least distance of distinct vision is____

Deficiency of___vitamin leads to fertility disorders.

According to Ohm's law relation between potential difference (V) and current (I) is

Dodder plant (Cuscuta) belongs to

Among \(\frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}\) the non-terminating decimal is