List of top Questions asked in AP EAPCET- 2023

Polyarch and tetrarch vascular bundles generally occur in these

One mole \(\text{H}_2\text{O}(g)\) and one mole \(\text{CO}(g)\) are taken in a 1L flask and heated to 725K. At equilibrium, 40% (by mass) of water reacted with \(\text{CO}(g)\) as follows: \[ \text{H}_2\text{O}(g) + \text{CO}(g) \rightleftharpoons \text{H}_2(g) + \text{CO}_2(g) \] Its \(K_c\) value is:

The introduction of nematode-specific genes into host using Agrobacterium vectors causes the following action:
I. Formation of dsRNA.
II. Production of sense and antisense RNAs in the host cells.
III. RNA intermediate not formed.
IV. Silencing of specific mRNA of the nematode.

A freely falling body has attained a velocity of \( 2 \, \text{ms}^{-1} \). If it is opposed by air resistance, total distance before stopping is:

A solid sphere is pushed on a horizontal surface such that it slides with a speed 3.5 m/s initially without rolling. The sphere will start rolling without slipping when its velocity becomes:

At T (K) and pressure P, the diffusion rate of an ideal gas is 120 mL min$^{-1}$. What is the time taken (in sec.) for 3000 mL of this gas for diffusion at the same temperature and pressure?

Match the following:

List I (Organism/Enzyme)	List II (Product/Use)
I. Aspergillus niger	D. Citric acid
II. Clostridium butylicum	C. Butyric acid
III. Lipase	A. Detergent formulation
IV. Saccharomyces	B. Ethanol

Choose the correct option for the matching:

Column – I	Column – II
A. Daphnia	i. Basking
B. Desert Lizard	ii. Blubber
C. Aquatic mammals	iii. Cyclomorphosis
D. Sea gulls	iv. Eliminates salts through nostrils

Amphitrichous bacteria contain flagella like this:

Hyaline cartilage occurs in

A. Sternal part of the ribs.
B. Pubic Symphysis.
C. Epiphyseal plate.
D. Vocal chords.
E. Epiglottis.
F. Endoskeleton of cyclostomes.

The relation \( I = I_0 \cos^2 \theta \) is (I\( _0 \) - Intensity of incident light on the analyser, I - intensity of emergent light from the analyser, \( \theta \) - angle between plane of polarization and the axis of analyser)

The number of extensive and intensive properties in the following list is respectively: Mass, temperature, pressure, enthalpy, heat capacity, internal energy, density

For the reaction $2A(g) + B(g) \rightarrow 2C(g)$, if $\Delta U^\circ = -8.80$ kJ mol$^{-1}$ and $\Delta S^\circ = -50$ J K$^{-1}$ mol$^{-1}$ at 300 K, the correct statement is:

If the work done by 2 mol of an ideal gas during isothermal reversible expansion from 5 L to 50 L is -189.1 L atm at constant pressure, the temperature of the gas (in °C) is

Choose the incorrect statements regarding Hardy–Weinberg equilibrium
A. There should be no migration
B. There should be differential reproductive success
C. Population should be large without random mating
D. Mutations should not occur

A mixture of gasses consists of 16 g of Helium and 16 g of Oxygen. The ratio of specific heats of the mixture is nearly

Identify the correct option
Statement – I: The contraction of internal intercostals muscles and lateral abdominal muscles help in forced expiration.
Statement – II: The contraction of phrenic muscles increases the volume of the thoracic cavity in antero-posterior axis.

Which of the following is not correct about Grignard reagent?

Which of the following is not the application of adsorption?

Match the following

List I		List II
A.	Gorgonia	i.	Marine leech
B.	Pontobdella	ii.	Sea Urchin
C.	Balanus	iii.	Sea Fan
D.	Echinus	iv.	Rock barnacle

B-cells are stimulated to proliferate and differentiate into memory cells by

n-type semiconductor is formed when germanium is doped with:

Choose the correct statement regarding ciliary movement

If a stone is projected at certain angle ‘θ’ with the horizontal such that its horizontal range is equal to its maximum height, then angle of projection ‘θ’ is

From the following choose the correct statement related to mutations

Prev
1
...
17
18
19
20
21
...
83
Next