List of practice Questions

The total number of inner transition elements in the modern periodic table is

What is the molar ratio of hydrogen and oxygen in the formation of water ?

Which of the following quantum numbers describes the spatial orientation of orbitals?

"Pairing of electrons in orbitals starts only when the available degenerate orbitals are singly filled" is stated by

The flux used in extraction of iron from haematite is

Dodder plant (Cuscuta) belongs to

Energy currency of the cell is called

In Chloroplast chlorophyll is present in______

Deficiency of___vitamin leads to fertility disorders.

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

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

Women have which type of sex chromosomes ?

What is the name of Darwin's ship which he used for world voyage ?

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

Which of the following represents the correct order of electronegativity among halogens?

If 'n' is a prime number, then \(\sqrt{n}\)  is

The H.C.F. of 7, 8, 9 is

If A = {1, 2, 3, 4, 5} and B={4, 5, 6, 7} then A-B=__

The value of \(\text{log}_{625}\ 5\) is

If the equation 3x²+2x+k=0 has real roots then k is

The condition for ax² + bx+c=0 to be a quadratic equation is

Find the 10^th term of A.P. 5, 1, -3, -7..... is

If a, b, c are in G.P. then \(\frac{a}{b}=\)

If the 2^nd term and 5^th term of a GP are 24, 81 then the r=

If \(\alpha,\beta\) are the zeroes of the quadratic polynomial \(ax^2 + bx+c\), \(a ≠0\) then \(\alpha^2+\beta^2=\)