List of top Science Questions asked in CBSE Compartment X

Assertion (A) : A hormone called abscisic acid inhibits growth in plants.
Reason (R) : The role of auxins is opposite to that of abscisic acid in plants.
The shape of magnetic field lines produced (i) inside a solenoid (ii) around a straight conductor, both carrying current of the same magnitude are, respectively :

The resistance of a wire does not depend on its :

A material used for making heating elements of electrical heating devices should have :
The organism in which an outgrowth on the parent body develops into a new individual is :
Which one of the following metals is malleable and a poor conductor of electricity ?
In the electrolysis of water, if the mass of the gas collected at the anode is $m_a$ and the mass of the gas collected at the cathode is $m_c$, the value of $\frac{m_c}{m_a}$ is :