List of top Questions asked in OJEE

The condition of reduced oxygen supply to tissues is called:

Carbon dioxide is transported in blood mainly as:

In emphysema, there is:

Oxygen is transported in blood mainly as:

The volume of air remaining in lungs after a forceful expiration is called:

Brood parasitism is shown by:

Detritus food chain starts with:

Gause's Competitive Exclusion Principle states that:

Which interaction leads to evolution of mimicry?

Pyramid of energy is always:

Standing crop refers to:

Which ecological pyramid can be inverted in aquatic ecosystems due to high turnover rate?

Which of the following represents a correct food chain?

Which process contributes MOST to nutrient recycling in ecosystem?

In a stable ecosystem, the relationship between Gross Primary Productivity (GPP) and community respiration (R) is:

One mole of a monatomic ideal gas is expanded by a process described by \( PV^3 = C \), where \( C \) is a constant. The heat capacity of the gas during the process is given by (R is the gas constant)

The power in the signal $s(t) = 8\cos(20\pi t - \pi/2) + 4\sin(15\pi t)$ is

A 12-pole, 3-phase, 50 Hz induction motor runs at 475 rev/min. Determine the slip speed and frequency of the rotor currents.

What is the value of the postfix expression: $6\ 12\ 2\ 4\ +\ /\ *\ ?$

The position vectors of the vertices of a triangle are \( 4\hat{i} + 5\hat{j} + \hat{k} \), \( 2\hat{i} + 4\hat{j} - \hat{k} \) and \( 3\hat{i} + 6\hat{j} - 3\hat{k} \). Then the triangle is

In a frequency distribution, the mean and median are 17 and 18 respectively. Then the mode of the distribution is

The binary representation of the decimal number 125 is

The system of equations \( 3x + 5y = 4 \); \( 6x + ky = 8 \) has infinitely many solutions if \( k \) is equal to

The number of ways in which the letters of the word "BUSINESS" can be arranged so that the vowels always come together is