List of practice Questions

Radial symmetry is found in the flowers of -
Proximal end of the filament of stamen is attached to the :
Pollination in water hyacinth and water lily is brought about by the agency of -
Main component of the cell wall of fungi is
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because
Lack of relaxation between successive stimuli in sustained muscle contraction is known as
Joint Forest Management Concept was introduced in India during :
In the stomach, gastric acid is secreted by the :

In pyrrole, the electron density is maximum on

Pyrrole
In mammals, which blood vessel would normally carry largest amount of urea?
In meiosis crossing over is initiated at :
In majority of angiosperms -
In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-typeoffspring. This indicates
In a protein molecule various amino acids are linked together by:
In a diffraction pattern due to a single slit of width 'a', the first minimum is observed at an angle $30^{\circ}$ when light of wavelength $5000 \mathring A $ is incident on the slit. The first secondary maximum is observed at an angle of :
Consider the following liquid-vapour equilibrium ${Liquid <=> Vapour }$ Which of the following relations is correct ?
Identify the correct statement on 'inhibin' -
How many plants among Indigofera, Sesbania , Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers ?
How many electrons can fit in the orbital for which $n = 3$ and $l = 1$ ?
Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reaction does not show oxidizing behaviour?
Graves disease is caused due to
Given the value of Rydberg constant is $10^7 \, m^{-1}$, the wave number of the last line of the Balmer series in hydrogen spectrum will be :
Gause's principle of competitive exclusion states that -
From a disc of radius R and mass M, a circular hole of diameter R, whose rim passes through the centre is cut. What is the moment of inertia of the remaining part of the disc about a perpendicular axis, passing through the centre ?
Free central placentation is found in -