Which plant hormone help in plant growth?
Auxin
Gibberelins
Cytokinin
Abscissic acid
Various physical activities in our body are controlled by chemical substances called
Hormones.
Enzymes.
Blood.
Serum.
Which nerves carry impulses from brain to the sensory organs?
Afferent nerves.
Efferent nerves.
Sensory nerves.
Intermediate nerves.
Which is the centre of processing and control of information?
Brain
Spinal cord
Nerves
Neurons
How many spinal nerves originate from the Spinal cord ?
31 pairs
33 pairs
37 pairs
39 pairs
Which hormone is found in greater concentration in areas where rapid cell division takes place ?
Gibbereins
Which is the structural and functional unit of Nervous system ?
Neuron
The function of olfactory receptors is to detect-
Vision.
Smell.
Taste.
Touch.
Plants response to the stimulus of touch is-
Haptotrophic
Hyponastic
Seismonastic
Epinastic
Name the fluid in which the brain and spinal cord are suspended.
Cerebro Spinal Fluid.
Cerebello spinal fluid.
Intracellular fluid.
Extracellular fluid.
