List of practice Questions

Figure shows a body of mass m moving with a uniform speed $v$ along a circle of radius $r$. The change in velocity in going from $A$ to $B$ is:
What is the value of linear velocity, if angular velocity is $3 \hat i - 4 \hat j + \hat k$ and distance from the centre is $5 \hat i - 6 \hat j + 6 \hat k$ ?
The angular momentum of a system of particles is not conserved :
Figure shows a body of mass m moving with a uniform speed $v$ along a circle of radius $r$. The change in velocity in going from $A$ to $B$ is:
A square wire frame of size $L$ is dipped in a liquid. On taking out, a membrane is formed. If the surface tension of liquid is $T$, the force acting on the frame will be :
Clamp connection is found in
Cell plate formation starts from
Arrhenotoky is related to
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