List of top Questions asked in OJEE

N forms $NCl_3$ whereas P can form both $PCl_3$ and $PCl_5$. Why ?
........................is not true for Euglena.
Insulin and glucagon are transported to target organ by
Clamp connection is found in
Cell plate formation starts from
Arrhenotoky is related to
Storage food of fungi is
All protozoans have
In evolution ______ evolved first time in annelida
Minimata disease is caused due to presence of ...... in water
Rain is called acid rain when its pH is below
The stack of vesicles found inside plastid is
Which is false for nutrition in Amoeba ?
$F_1$ particles are present in
......... acts as shock absorber to cushion when tibia and femur come together
Humoral immunity system is mediated by
In higher vertebrates SA node helps in
AUG codes for
Which amino acids are present in histones ?
RNA has uracil instead of
The five kingdom system of classification was proposed by
When flowering is regulated by length of day and night, it is called
The ionic strength of a solution containing 0.1 mole/kg of KCl and 0.2 mole/kg of $CuSO_4$ is
A gas can expand from 100 mL to 250 mL undera constant pressure of 2 atm. The work done by the gas is
How does the ionisation energy of 1st group elements vary ?