List of practice Questions

In $ccp$ arrangement the pattern of successive layers can be designated as

In certain respects, lithium differs from other alkali metals, The main reason for this is

In Chlamydomonas, the life cycle is

In Bryophyllum, the buds developing in lateral notches are

In Calotropis, phyllotaxy of leaves is

In Bougainvillea, weak stems rise up a support by clinging to it with the help of curved thorns, such plants are called as

In breathing movements, air volume can be estimated by

In astronomical observations, signals observed from the distant stars are generally weak. If the photon detector receives a total of 3.15 ? $10^{-18} J$ from the radiation of 600 nm, calculate the number of photons received by the detector.

In benzilic acid rearrangement

In biolistic method of gene transfer, the microparticles coated with foreign DNA are bombarded into target cells at a very high velocity. These microparticles are made up of

In apoplast pathway, water moves exclusively through the

In aquatic plant Ranunculus flabellaris (buttercup), submerged leaves are highly dissected whereas the emerged leaves are broad and lobed. This is an example of

In aqueous solutions $Eu^{2+}$ acts as

In archaebacteria, the cell wall does not contain

In any subshell, the maximum number of electrons having same value of spin quantum number is

In Antirrhinum (dog flower), phenotypic ratio in $F_2$ generation for the inheritance of flower colour would be

In any natural process

In animal cells, cytokinesis involves

In animals meiotic division occurs during gamete formation. This gametic meiosis results in

In an inductor of self-inductance $L = 2\, mH$, current changes with time according to relation, $I=t^{2}e^{-t}$ At what time emf is zero?

In an LCR series a.c. circuit, the voltage across each of the components L, C and R is 50 V. The voltage across LC combination will be

In an organ pipe of length $L$ open at both ends, the fundamental mode has a frequency (where $v$ is a speed of sound in air)

In an oscillating L-C circuit the maximum charge on the capacitor is The charge on the capacitor when the energy is stored equally between the electric and magnetic field is :

In an experiment on a-particle scattering, $\alpha$-particles are directed towards a gold foil and detectors are placed in position $P,Q$ and $R$. What is the distribution of $\alpha$-particles as recorded at $P, Q$ and $R$?

In an experiment, the angles are required to be measured using an instrument. $29$ divisions of the main scale exactly coincide with the $30$ divisions of the vernier scale. If the smallest division of the main scale is half -a-degree $(0.5^?)$, then the least count of the instrument is