List of practice Questions

(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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(ii) What do you understand by the heating effect of electric current? In a heater of resistance \(10 \, \Omega\), a current of \(15 \, \text{A}\) is flowing for 30 minutes. What will be the amount of heat produced in the heater?
(i) Mention any two properties of magnetic field lines.
(ii) Mention two factors which affect the magnetic field produced by a straight current carrying conductor.
Which of the following is an animal hormone?
The technique of producing many plants from a single plant under infection-free condition is called—
Chlorophyll is important
Physical factor of ecosystem is:
Which of the following is top carnivore?
Formula for Baking Soda is:
Unsaturated hydrocarbon from the following is:
The bond in diatomic molecule of Nitrogen is:
Homologous series among the following is:
A six carbon molecule, Glucose is broken down into a three carbon molecule, Pyruvate. This process takes place:
Dialysis is related to:
Two resistances each of 10 ohm are connected in parallel. A battery of 10 V is connected with this combination. Amount of charge flowing per second will be -
Match the physical quantities given in Column A with the units given in Column B and choose the correct option:
\[\begin{array}{|c|c|} \hline Column A & Column B \\ \hline \text{(1) Electrical resistivity} & \text{(i) Coulomb} \\ \hline \text{(2) Electric potential difference} & \text{(ii) Watt-hour} \\ \hline \text{(3) Electrical energy} & \text{(iii) Joule per coulomb} \\ \hline \text{(4) Electric charge} & \text{(iv) Ohm-meter} \\ \hline \end{array}\]
Complete the following chemical equation:
\(\underline{\hspace{2cm}}\) + CO_2 \rightarrow \text{CaCO}_3 + \text{H}_2\text{O}
Chemical reaction:
\text{Fe(s) + CuSO}_4\text{(aq)} \rightarrow \text{FeSO}_4\text{(aq)} + \text{Cu(s)}
What type of reaction is this?
Image of an object formed by a concave mirror is real and of the size of the object. The object is placed -