List of top Science Questions

Define ampere.
The radius of curvature of a concave mirror of focal length 20 cm is:
An aqueous solution of ammonium chloride is:
Which one of the following is a covalent compound?
A white ray is incident obliquely on a glass slab. Which of the following will occur with the first refraction?
Which of the following is a good conductor of electricity?
In domestic electric circuit, the colour of neutral wire is:
In which device does the split ring act as a commutator?
When magnesium ribbon is ignited, the flame produced by it is:
The above reaction is an example of a: \[ \text{Zn} + \text{CuSO}_4 \rightarrow \text{ZnSO}_4 + \text{Cu} \]
The molecular formula of ethane is \( C_2H_6 \). It has:
The chemical substance used as a cast for setting broken bones in surgery is:
On moving from right to left across the period of the modern periodic table, the atomic size:
The change in body that occurs during adolescence is due to:
The body is balanced by the organ:
Which among the following is responsible for clotting of blood?
Which type of nitrogenous wastes is excreted by living organisms?
Which hormone is secreted from the pancreas?
Binary fission is found in:
The maximum value of magnification in a convex mirror is:
An example of a parasitic plant is:
Which of the following is the male gamete?
Which of the following is necessary to obtain nuclear energy?
Potential difference is measured by:
Which of the following statements is true?