List of practice Questions

The correct statement is
The distribution of species diversity on earth may be best described as
A example of CAM plant is
A circular loop of area $1\,cm^{2} $ , carrying a current of $10\,A$ is placed in a magnetic field of $0.1\,T$ perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is
According to Newton's law of cooling, the rate of cooling of a body is proportional to $(\Delta \theta)^n$, where $\Delta \theta$ is the difference of the temperature of the body and the surroundings, and $n$ is equal to
If $ S $ is the stress and $ Y $ is the Young?s modulus of material of a wire, the energy stored in the wire per unit volume is
From a building two balls $A$ and $B$ are thrown such that $A$ is thrown upwards and $B$ downwards with the same speed (both vertically). If $v_A$ and $v_B$ are their respective velocities on reaching the ground then,
In a transformer the number of primary turns is four times that of the secondary turns. Its primary is connected to an $AC$ source of voltage $V$. Then,
Which of the following is NOT an electromagnetic wave?
A parallel narrow-beam of light is falling normally on a glass sphere. It will come to a focus
The shortest distance between the lines $ \frac{x}{-1}=\frac{y}{1}=\frac{z}{1} $ and $ \frac{x-3}{0}=\frac{y+3}{1}=\frac{z-3}{-1} $ is
A fair die is rolled. Consider the events A = { $ 1, 3, 5 $ }, B = { $ 2, 3 $ } and C = { $ 2, 3, 4, 5 $ }. Then, the conditional probability $ P (A \cup B / C) $ is
$20\, dm^{3}$ of $SO_{2}$ diffuse through a porous partition in $60\, s$. What volume of $O_{3}$ will diffuse under similar conditions?
Which one of the following is planar?
A block of mass $M$ is pulled along a horizontal frictionless surface by a rope of mass $m$. If a force $P$ is applied at the free end of the rope, the force exerted by the rope on the block is
Which of the following has maximum number of isotopes?
Which of the following is genotypic ratio of Mendel?s monohybrid cross?
Which of the following metals does not show variable valency in $d$-block?
Which of the following organisms cite an example of commensalism?
Which of the following oxyacids does not exist ?
Which of the following plants requires light exposure less than the critical period to initiate flowering?
Which one of the following is not a condensation polymer ?
Who amongst the following proposed the law of limiting factors?
Which arrangement of electrons leads to ferromagnetism?
Two ideal diodes are connected to a battery as shown in the circuit. The current supplied by the battery is