List of top Science Questions asked in UP Board

The radius of curvature of a concave mirror is 40 cm. An object is placed in front of it at a distance of 15 cm. Find the position of its image and draw its ray diagram.
Which country is called ‘country of winds’?
Darwin is famous for:
Regeneration occurs in:
Vegetative reproduction through leaves occurs in:
Which is not synthesized during the process of photosynthesis?
Bile is synthesized in:
Number of chambers in human heart is:
Which type of reaction is the following? \[ \mathrm{Fe_2O_3 + 2Al \rightarrow Al_2O_3 + 2Fe} \]
Moving towards right in Modern Periodic Table:
pH value of pure water at 25°C temperature is:
A concave lens is used:
Arsenic element is:
The correct formula for electric power in an electric circuit is:
The frequency of alternating current (a.c.) supply in India is:
The magnetic field inside a long, straight current carrying solenoid:
Propane is:
The amount of light entering in the eye is controlled by:
What is digestion? Describe the process of digestion in humans with a diagram.
Describe in detail the process of transportation of water, minerals and food in plants.
(a) Write two uses of Bleaching Powder
(b) What is corrosion? Write two methods for its prevention.
(c) Write one use of Plaster of Paris.
What do you mean by alternative (non-conventional) or renewable energy sources? Describe any three renewable energy sources in detail.
The image formed by a concave mirror is real, inverted and of the same size as the object. The position of the object will be:
What are fossils? Explain their role as evidence for organic evolution.
Write short notes on any two of the following:
(a) Fission
(b) Regeneration
(c) Budding