List of practice Questions

Study the following statements and identify the correct option.
Statement I: Atrial natriuretic peptide (ANP) is released from left atrium of the heart.
Statement II: ANP can cause vasodilation.

Match the following:

List - I List - II 
A)Thyroid glandI)Calcitonin
B)Adrenal medullaII)Nor epinephrine
C)Pineal glandIII)Melatonin
D)PancreasIV)Glucagon

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
A bomb of mass 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg. If the velocity of 8 kg mass is \( 6\,{ms}^{-1} \), then the kinetic energy of 4 kg mass is
A 10 $\mu$C charge is placed at the vertex A of an equilateral triangle ABC of side 2 m. The work done in taking another charge $(3 + \sqrt{3})$ $\mu$C from the mid point of BC to the mid point of the side AC is:
The energy stored in a coil of inductance 50 mH carrying a current of 2 A is:
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 buffer system that helps in maintaining pH of blood between 7.26 and 7.42 is
Assertion (A): Amides are formed due to the replacement of hydroxyl part in aminoacid by another NH$_2$ radicle.
Reason (R): Amides are formed by transamination reaction.
Identify the correct option from the following
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.
Match the following
Study the following regarding circulatory system of cockroach and identify the correct option
Statement I : The cockroach heart is a tubular structure with 13 chambers.
Statement II : Haemolymph in cockroach plays a role in oxygen transportation.
It is a secondary lymphoid organ.
To get an output value $ 1 $ from the given circuit, the input values of $ A $, $ B $, and $ C $ are:
output value 1 from the given circuit,
In which of the following reactions of H$_2$O$_2$, dioxygen is evolved? (only = O$_2$ evolved)
I) With HOCl in acidic medium
II) With permanganate in acidic medium
III) With permanganate in basic medium
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:
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
A 1% (w/v) aqueous solution of a certain solute is isotonic with a 3% (w/v) solution of glucose (molar mass 180 g mol$^{-1}$). The molar mass of solute (in g mol$^{-1}$) is
A vector perpendicular to the vector $\left(4\hat{i} - 3\hat{j}\right)$ is
Identify the conditions at which van der Waals equation of state changes to ideal gas equation.
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 $= 10~\text{m/s}^2$)
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
The period and group numbers of the element having maximum electronegativity in the long form of periodic table, respectively, are
H\(_2\)O\(_2\) reduces KMnO\(_4\) in acidic medium to 'x' and in basic medium to 'y'. What are x and y?
In an aqueous glucose solution, the mole fraction of water is 40 times the mole fraction of glucose. What is the weight percentage (w/w) of glucose in the solution?