List of top Questions asked in AP EAMCET

Taxonomic keys are based on

Match the following medical terms with their correct descriptions or associated organisms: 

In Young's double slit experiment, the intensity at a point where the path difference is \( \frac{\lambda}{6} \) ( \( \lambda \) being the wavelength of the light used) is \( I \). If \( I_0 \) denotes the maximum intensity, \( \frac{I}{I_0} \) is equal to
A short magnet oscillates with a time period of 0.1 s at a place where the horizontal magnetic field is 24 \(\mu T\). A downward current of 18 A is established in a vertical wire kept at a distance of 20 cm east of the magnet. The new time period of oscillations of the magnet is:
Intrafascicular cambium and interfascicular cambium are present in these places:

Two statements are given below:
I. SO₂ is used as antioxidant in wine
II. BHA is used as food preservative in dry fruits

Chemoreceptors in Periplaneta are of this type:
One of the following is an egg-laying mammal:
Assertion (A): Urine is hypertonic in the descending limb of loop of Henle, while urine is hypotonic in the ascending limb.
Reason (R): Ascending limb is impermeable to Na+, whereas descending limb is impermeable to water.
One of the following exhibits moulting:
Identify the correct statement related to calcium ions in muscle contraction

The dissociation constants of a diacid HA are \(K_{a1} = 6 \times 10^{-2}\) and \(K_{a2} = 6 \times 10^{-5}\). The pH of 0.011 M \(HA\) solution is 2.0. What is the value of \(\left[\frac{{A}^-}{{HA}}\right]\)? 
 

The increased sodium and chloride content in sweat and increased resorption of sodium and water from respiratory epithelium are genetic defects of
The number of –OH groups in open chain and ring structures of D-glucose are respectively
The displacement of a particle executing SHM is given by \( X = 0.01 \sin 100\pi (t + 0.05) \). The time period of the particle is:

Identify wrong matching

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
Function of oligodendrocytes is:
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:

Identify the Anatomical structures based on the following characters given in a series:

  • Lysigenous cavities in the vascular bundles
  • Conjoint, open and endarch protoxylem in vascular bundles
  • More number of stomata in abaxial epidermis
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:
Pure silicon at 300K has equal electron and hole concentration of \( 1.5 \times 10^{16} \) m\(^{-3}\). If the hole concentration increases to \( 3 \times 10^{22} \) m\(^{-3}\), then the electron concentration in the silicon is:

Choose the correct statements related to plant reproduction
I. In Cladophora, male and female gametes are morphologically similar
II. Male and female gametes of Pteris are heterogametes
III. Fungi are usually homothallic and unisexual
IV. Monoecious plants are bisexual

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)