List of top Science Questions asked in UP Board

Give the formula for the focal length of a convex mirror. Give any two uses of the convex mirror.
Write a short note on hypermetropia and its correction.
Why did Mendel conduct his experiment?
Which one of the following make up the food chain?
Pyruvate is oxidized in which part of the cell in presence of oxygen?
.......... is used in the form of fuel and medicine.
Which atom has the property of catenation?
Xylem in the plants is responsible for:
Following reaction:
\(\text{CaCO}_3 (s) \xrightarrow{\text{heat}} \text{CaO} (s) + \text{CO}_2 (g)\)
is an example of:
Unit of kidney, which takes part in the process of excretion is:
Autotrophic nutrition requires:
Alkyne among the following is:
A 440 W, 220 V is marked on an electric bulb. The resistance of the filament of the bulb will be:
Which of the following metals is not in solid state at room temperature?
Define ecosystem and describe its various biotic components with examples.
A freely suspended current carrying solenoid always rests in:
What do you mean by endocrine glands? Describe the functions of hormones secreted by any four endocrine glands in humans.
Reaction between acid and base gives:
Write short notes on the following:
Write balanced equations for the following reactions:
Reproductive organ of flower is:
Which one of the following is formed inside the anther?
Atmospheric ozone layer protects the Earth from:
What is the Fleming's left-hand rule? On which factors does the force acting on a current-carrying conductor depend when placed in a magnetic field?
A person suffering from short-sightedness can see up to 80 meters. Calculate the nature and focal length of the lens to correct his vision so that he may see the objects at infinite distance.