Which one of the following generally acts as an antagonist to gibberellins?

The bond energy of $Cl_2$,$Br_2$,and $I_2$ follows the order:

The polar equation $\cos \theta + 7 \sin \theta = \frac{1}{r}$ represents a

Blister copper is

$A$ weak acid $HA$ has a $K_a$ of $1.00 \times 10^{-5}$. If $0.100 \ mol$ of this acid is dissolved in one litre of water,the percentage of acid dissociated at equilibrium is closest to.....$\%$

$A$ person walks along a straight road from his house to a market $2.5 \ km$ away with a speed of $5 \ km/h$ and instantly turns back and reaches his house with a speed of $7.5 \ km/h$. The average speed of the person during the time interval $0$ to $50 \ min$ is (in $m/s$):