List of top Questions asked in AP EAMCET

The ratio of the number of turns per unit length of two solenoids A and B is \(1:3\) and the lengths of A and B are in the ratio \(1:2\). If the two solenoids have the same cross-sectional area, the ratio of the self-inductances of the solenoids A and B is:

Aniline on direct nitration at 288 K gives 51% (A), 47% (B) and 2% (C). ‘B’ on diazotisation, followed by reaction with CuCN | KCN gives a compound X. The percentage of nitrogen in X is:
Which complex among the following is most paramagnetic?
A running man has half the kinetic energy of a boy of half his mass. The man speeds up by \(1 \, {m/s}^{-1}\) to have the same kinetic energy as the boy. The initial speed of the man is:
In a Carnot engine, when the temperatures are \( T_2 = 0^\circ C \) and \( T_1 = 200^\circ C \), its efficiency is \( \eta_1 \), and when the temperatures are \( T_1 = 0^\circ C \) and \( T_2 = -200^\circ C \), its efficiency is \( \eta_2 \). Then the value of \( \frac{\eta_1}{\eta_2} \) is:
Cynognathus is an intermediate form between
In these days, some sports people misuse these drugs.
A mixture of ethyl iodide and n-propyl iodide is subjected to Wurtz reaction. The hydrocarbon which will not be formed is:
Food materials are stored in this algae in these bodies:
A message signal of 3 kHz is used to modulate a carrier signal frequency 1 MHz, using amplitude modulation. The upper side band frequency and band width respectively are
At 300 K, for the reaction, \[ \text{A}_2 \text{B}_2(g) \rightleftharpoons \text{A}_2(g) + \text{B}_2(g) \] 
\(\text{is 100 mol L}^{-1}\). \(\text{What is its } K_p \text{(in atm)} \text{at the same temperature?} \)
\(\text{(R = 0.082 L atm mol}^{-1}\) \(\text{K}^{-1}) \)
The ratio of kinetic energy of a molecule of neon to that of the oxygen gas at 27°C is
A particle of mass 'm' having charge '(-q)' moves in a circular orbit of radius 'r' around a fixed charge '(+Q)'. The relation between time period \(T\) and radius of the orbit 'r' is:

Assertion [A]: Genetic variability is the root of any breeding programme.
Reason [R]: The entire collection of plants or seeds having all the diverse alleles for all genes in a given crop is called germ plasm collection.
 

Location of Malpighian tubules in Periplaneta:

Choose the incorrect statement related to life cycles: 
I. Sporophyte generation is represented by a single-celled zygote. 
II. Gametophyte is multicellular in Pteridophytes and Gymnosperms. 
III. Life cycle is diphlaplontic in Bryophytes. 
IV. Life cycle is haplodiplontic in Pteridophytes.

Which of the following is correct statement?
Arrange the following in the correct order of their acidic strength: I. \( \text{C}_6 \text{H}_4 (\text{OH}) \) (I) II. \( \text{C}_6 \text{H}_5 (\text{OH}) \) (II) III. \( \text{C}_6 \text{H}_4 (\text{NO}_2)(\text{OH}) \) (III) IV. \( \text{C}_6 \text{H}_4 (\text{NO}_2)(\text{OH}) \) (IV)

Choose the correct combination among the following: 


 

If the earth shrinks until its radius becomes \(\frac{3}{4}\) of its original, the new duration of the day would be (mass unchanged):

The number of molecules having one lone pair of electrons on the central atom is from the following list: SnCl$_2$, XeF$_6$, SO$_3$, ClF$_3$, BrF$_5$, H$_2$O, XeO$_3$. 

Function of oligodendrocytes is:
The total number of meiotic divisions that occurred in a flower of malvaceae, which has 60 stamens with 25 microspore mother cells in each sporangium and 25 ovules in each carpel:
If the ratio of lengths, radii, and Young's moduli of steel and brass wires are \(a\), \(b\), and \(c\) respectively, their respective loads are in the ratio 5:3, then the corresponding ratio of increase in their lengths would be:

Choose the correct matching: