Reflex arcs are evolved in animals for quick and efficient responses. Which one of the following sequences correctly represents a reflex arc?
Receptor—Sensory neuron—Relay neuron in spinal cord—Brain—Motor neuron—Effector
Receptor—Sensory neuron—Brain—Relay neuron in spinal cord—Motor neuron—Effector
Receptor—Motor neuron—Relay neuron in spinal cord—Sensory neuron—Effector
Receptor—Motor neuron—Brain—Sensory neuron—Effector
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy