List of top Questions asked in UP Board

What is the phenomenon of electromagnetic induction? Explain Faraday’s experiment associated with this phenomenon.
Explain the production of a magnetic field due to current in a conductor by making a diagram.
Explain the following by giving examples:

Importance of pH in daily life
Exothermic chemical reactions
How will you obtain the following? (Write chemical equations)

Washing Soda from Baking Soda
Plaster of Paris from Gypsum
Write chemical equations of two chemical properties of Ethanoic Acid
Explain the following:

Cleansing action of soap
Calcination and Roasting
Activity series of metals
Which of the following pair is used in the reaction of photosynthesis?
A common unisexual male flower doesn’t have:
Insulin is secreted by:
The principle of organic evolution was propounded by:
On burning, fossil fuel gives:
Draw a ray diagram in order to obtain a virtual image of an object by a concave mirror. Write down any one use of this mirror.
The IUPAC name of \( \text{CH}_3\text{CH}_2\text{OH} \) is:
Which of the following is a combustion reaction?
On going down a group, the size of an atom increases because:
The chemical formula of Plaster of Paris is:
The pH value of pure water remains:
The functional group in Aldehyde is:
Which of the following is a producer?
Write an essay on Sexual Reproduction in Flowering Plants
Power of a lens is -2.5 D. The focal length and nature of the lens is:
If electric power and resistance are expressed as \( P \) and \( R \) respectively, then electric current is expressed as:
Speed of light in medium (1) and medium (2) are \( v_1 \) and \( v_2 \) respectively, then the refractive index of medium (1) with respect to medium (2) is:
Which of the following statements is false?
In which of the following mirrors, the field of view is maximum?