List of top Questions asked in Bihar Board Class X Exam

Gibberellin is:
Wilting of leaves is due to which phytohormone?
The radius of curvature of a concave mirror of focal length 20 cm is:
A white ray is incident obliquely on a glass slab. Which of the following will occur with the first refraction?
In a domestic electric circuit, the colour of neutral wire is:
In which device does the split ring act as a commutator?
The capacity to bend rays of light is called:
The image obtained by a concave lens is:
Latex is found in:
Androgen is secreted by the:
Style is part of:
Duodenum is a part of:
In human beings, nasal cavity, larynx, trachea, and lungs combine to form:
Which of the following lenses is used to remove short-sightedness?
Most of the refraction of the light rays entering the eye occurs at:
Which of the following is the unit of power of lens?
What type of lens is found in the human eye?
Which mirror is used as a shaving mirror?
If the image of an object formed by a concave mirror is virtual, erect, and larger than the object, then where should be the location of the object?
Which of the following metals is the most ductile?
How many structural isomers of pentane, having molecular formula C$_5$H$_{12$, are possible?}
The functional group \textbf{Functional group} \(\>\)CO is called:
A metal reacts with oxygen to form a compound with a high melting point. This compound is soluble in water. Which of the following elements can it be?
Malachite is an ore of which metal?
The process of coating a layer of zinc on iron is called: