List of practice Questions

Angular width $ (\theta ) $ of central maximum of a diffraction pattern of a single slit does not depend upon:
Storage food of fungi is
All protozoans have
Rain is called acid rain when its pH is below
Minimata disease is caused due to presence of ...... in water
In evolution ______ evolved first time in annelida
$F_1$ particles are present in
The stack of vesicles found inside plastid is
Which is false for nutrition in Amoeba ?
......... acts as shock absorber to cushion when tibia and femur come together
The first overtone of a stretched wire of given length is $320 \,Hz$. The first harmonic is :
Humoral immunity system is mediated by
In higher vertebrates SA node helps in
Which of the following pairs give positive Tollen?s test?
RNA has uracil instead of
Which amino acids are present in histones ?
AUG codes for
The five kingdom system of classification was proposed by
When flowering is regulated by length of day and night, it is called
Which of the following pairs give positive Tollen's test?
Which one of the following systems is not mesodermal in origin?
Which is the largest endocrine gland ?
Two identical conducting rods are first connected independently to two vessels, one containing water at 100$^{\circ}$C and the other containing ice at 0$^{\circ}$C. In the second case, the rods are joined end to end and connected to the same vessels. Let q$_1$ and q$_2$ gram per second be the rate of melting of ice in the two cases respectively. The ratio $\frac{q_1}{q_2}$ is
The unit vector which is orthogonal to the vector $3\widehat{i} + 2\widehat{j} + 6\widehat{k}$ and is coplanar with the vectors $ 2\widehat{i} + \widehat{j} + \widehat{k}$ and $\widehat{i} + \widehat{j} + \widehat{k}$ is
The methods chiefly used for the extraction of lead and tin from their ores are respectively