List of top Questions asked in UP Board X

At the time of short circuit, the electric current in the circuit becomes
Strong base is
O_2(g) is obtained on heating
Liquid metal at ordinary temperature is
Precipitation reaction is
The image formed by a mirror is virtual, erect and longer than the object, then the mirror will be
The refractive index of glass is 1.5. The speed of light in air is \(3 \times 10^8\) m/s. The speed of light in glass will be
The blue colour of the sky is due to the
If the electric current passing through a fixed resistor is halved, then the heat produced in it will become
The unit of power of a lens is
Write a note on the following:
(i) Gregor Johann Mendel
(ii) Reflex arc
(ii) Write chemical reaction for manufacture of bleaching powder and its two applications.
(i) What are Exothermic and Endothermic reactions? Explain with example.
Write a short note on the following:
(i) Importance of pH in daily life
(ii) Micelle
(iii) Metals and Non-metals
What are the trophic levels? Give an example of a food chain and state the different trophic levels in it.
Write a note on the following:
(i) Spore formation in Rhizopus
(ii) Seed germination
Describe the digestive system of human with diagram.
Describe co-ordination in plants with examples.
(iii) State the law to find the direction of magnetic field produced due to straight current carrying wire.
(i) Draw magnetic lines of force due to a current carrying solenoid.
(ii) Why fuse is used in domestic electrical circuits?
ii) Write IUPAC names for the following compounds:
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(i) Explain Corrosion. Write its two examples.
(i) Clarify the meaning of power of accommodation of eye lens of human eye. Where is the image formed by the eye lens?
(i) State Ohm's law. What will be the value of current and potential difference at the ends of each resistance in the given circuit?
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