List of top Questions asked in AP EAPCET- 2025

If the amplitude of electric field vector and frequency of an electromagnetic wave travelling along $z$-direction in vacuum are 180 N C$^{-1}$ and 60 GHz respectively, then the equation of the magnitude of the electric field of the plane electromagnetic wave is
If a particle is moving along a circle of radius \( r \) with constant speed \( v \), then the magnitude of the change in velocity when the particle moves from \( P \) to \( Q \), where \( PQ \) makes an angle \( \theta \) at the center of the circle is:
The period and group numbers of the element having maximum electronegativity in the long form of periodic table, respectively, are
If a ball projected vertically upwards with certain initial velocity from the ground crosses a point at a height of 25 m twice in a time interval of 4 s, then the initial velocity of the ball is
(Acceleration due to gravity $= 10~\text{m/s}^2$)
The species diversity between two adjacent ecosystems is
As shown in the figure, the work done to move the charge 'Q' from point C to point D along the semi-circle CRD is
work done to move the charge ’Q’ from point C to point D
The sequence of reagents required to convert aniline to benzoic acid is:
Identify the conditions at which van der Waals equation of state changes to ideal gas equation.
Match the following
Assertion (A): Radial symmetry is an advantage to sessile or slow moving animals.
Reason (R): Radial symmetry allows equal distribution of sense organs and body parts in all directions, facilitating equal response in any direction.
Identify the correct option from the following:
It is a secondary lymphoid organ.
Two capacitors of capacitances \( 4 \, \mu\text{F} \) and \( 6 \, \mu\text{F} \) are connected in series across a potential difference of \( 300 \, \text{V} \). What is the potential difference across the \( 4 \, \mu\text{F} \) capacitor?
The electron gain enthalpy (Cl2,H) of chlorine is -3.7 eV mol-1. How much energy (in kcal mol-1) is released when 71 g of chlorine atoms are completely converted into Cl- ions in gaseous state? (1 eV = 23 kcal)
The energy stored in a coil of inductance 50 mH carrying a current of 2 A is:
What are X and Y respectively in the following set of reactions?
A vector perpendicular to the vector $\left(4\hat{i} - 3\hat{j}\right)$ is

Match the following: Stem cell types and Examples

List - I List - II 
A)TotipotentI)Haemopoietic stem cells
B)PluripotentII)Zygote
C)MultipotentIII)Basophil progenitor cells
D)UnipotentIV)Inner cell mass of blastocyst
Choose the correct statement among the following
I. Wheat $\rightarrow$ Pusa komal $\rightarrow$ hill bunt
II. Cauliflower $\rightarrow$ Pusa Shubra $\rightarrow$ Black rot
III. Chilli $\rightarrow$ Pusa Sadabahar $\rightarrow$ TMV
IV. Brassica $\rightarrow$ Pusa Swarmin $\rightarrow$ Bacterial blight
A solid of mass 1 kg has \(6 \times 10^{24}\) atoms. If one electron is removed from every one atom of 0.005% of the atoms, then the charge gained by the solid is
As shown in the figure, if the values of the electric potential at three points A, B and C in a uniform electric field (\( \vec{E} \)) are \(V_A\), \(V_B\), and \(V_C\) respectively, then
electric potential at three points A, B and C

Match the following:

List - I List - II 
A)Thyroid glandI)Calcitonin
B)Adrenal medullaII)Nor epinephrine
C)Pineal glandIII)Melatonin
D)PancreasIV)Glucagon
If the error in the measurement of the surface area of a sphere is 1.2%, then the error in the determination of the volume of the sphere is
Assertion (A): TCA cycle requires continuous replenishment of oxaloacetic acid.
Reason (R): TCA cycle requires regeneration of NAD\textsuperscript{+} and FAD\textsuperscript{+} from NADH and FADH.
For transmitting a signal of frequency 1000 kHz, the minimum length of the antenna is
The value of \(\Delta_r H\) for the reaction:
\[ {N}_2{O}_4(g) + 3 {CO}(g) \rightarrow {N}_2{O}(g) + 3 {CO}_2(g) \] (in kJ) is:
(Given: Enthalpies of formation in kJ mol\(^{-1}\) are \({CO}(g) = -110\), \({CO}_2(g) = -393\), \({N}_2{O}(g) = 81\), and \({N}_2{O}_4(g) = 9.7\))