List of top Questions asked in JEE Main, KCET

In the diagram of the lateral view of the human brain, parts are indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the parts which they indicate

Blue colour of sea water is due to

A string vibrates with a frequency of $200 \,Hz$. When its length is doubled and tension is altered, it begins to vibrate with a frequency of $300\, Hz$. The ratio of the new tension to the original tension is

Transformation of the early reducing atmosphere of the earth into an oxidizing atmosphere was mainly due to the activities of

Notochord, skeletal system and dermis of the skin are the derivatives of

The problem of necrosis and gradual senescence while performing tissue culture can be overcome by

A current of $5\,A$ is flowing at $220 \,V$ in the primary coil of a transformer. If the voltage produced in the secondary coil is $2200\, V$ and $50\%$ of power is lost, then the current in the secondary will be

Which of the following statements is true?

Which of the following is correct for the process of formation of a chemical bond?

Nitrogenous waste products are eliminated mainly as

Rauwolfia - serpentina belongs to..........family.

Manas sanctuary is located at

RA - Right Auricle RV - Right Ventricle LA - Left Auricle LV - Left Ventricle In the below given diagram which blood vessel represents vena cava ?

The value of $\int \frac {1}{1+ Cos \; 8x}dx$ is

For a stable molecule the value of bond order must be

A circular coil carrying a certain current produces a magnetic field $B_o$ at its centre. The coil is now rewound so as to have $3\, turns$ and the same current is passed through it. The new magnetic field at the centre is

The number of positive divisors of $252$ is

The amplitude of $(1+i)^5$ is

Which one of the following has maximum number of atoms of oxygen ?

$ABC$ is a triangle $G$ is the centroid $ D$ is the mid- point of $BC$. If $A - (2, 3) $ and $G = (7, 5)$, then the point $D$ is

If $A =\begin{bmatrix} {1}&{-1} &{1}\\ {2}&{1}& {-3} \\ {1}&{1}&{1}\\ \end{bmatrix} ,10B \begin{bmatrix} {4}&{2} &{2}\\ {-5}&{0}& {\alpha} \\ {1}&{-2}&{3}\\ \end{bmatrix} $ and $B$ is the inverse of $A$, then the value of $\alpha$ is

If the circles $x^2 + y^2 - 2x - 2y - 7 = 0$ and $x^2 + y^2 + 4x + 2y + k = 0$ cut orthogenally, then the length of the common chord of the circles is

The number of common tangents to the circles $x^2+y^2=4 $ and $ x^2+y^2-6x-8y-24=0 $ is

The conjugate of the complex number $ \frac {(1+i)^2}{1-i}$ is

The area enclosed by the pair of lines $xy = 0$ , the line $x - 4 = 0$ and $y + 5 = 0$ is