magnetic effects of electric current — Science STD 10 — Question

Complete image of a distant object can be seen using _______ mirror (concave, convex, plane)

When a coil is viewed from one end, if the current flows in an anticlockwise direction, then this end behaves like a ....pole. (north, south, east)

The kidneys in human beings are a part of the system for _______ .(Nutrition, Respiration, Excretion)

Manure obtained from biogas plant is rich in ..... and ...... (phosphorous, nitrogen, calcium, dron)

Cytokinins promotes _________ in plants.(Cell division, Flowering, Root growth)

Farm and garden are _________ ecosystem.  (Artificial, Natural, Primary)

When iron nail is dipped in a solution of copper sulphate, then, the colour of the solution becomes _________ after sometime.(Pale green, Blue, Red)

The distance between the eye lens and the retina is known as the ______________ . (Size of the eyeball, Focal length, Pupil size)

Iron (III) oxide is heated with aluminium powder forms iron in the molten state. This process is known as __________ .(Thermit process, Roasting, Smelting)

The magnetic field is __________ in the region where the magnetic field lines are very close to each other. (Weak, Strong, Zero)