Blinking of eyes is an example of
diseases
habit
reflex action
response
The other name of movements independent of growth is:
Nastic movements
Non-directional
Tropic
Both (a) and (b)
The gap between two neurons is called a:
dendrite
synapse
axon
impulse
The underactive endocrine gland which causes goitre is:
pancreas
thyroid
adrenal
pituitary
One of the following statements is not true about thyroxine. This is:
Thyroid gland requires iron to synthesise thyroxine
It regulates carbohydrate, protein and fat metabolism
Iodine is essential for the synthesis of thyroxine
Thyroid gland can enlarge due to lack of thyroxine
The climbing organs of plants like tendrils grow towards any support which they happen to touch and wind around the support. This is an example of:
chemotropism
nastic movement
thigmotropism
geotropism
The gustatory receptors of our body are in one of the following organs. This organ is :
ear
nose
tongue
skin
All the voluntary actions of our body are controlled by:
cerebrum
cerebellum
pons
medulla
One of the following gives the correct sequence of the components in a reflex arc. This is :
Receptors → Muscle → Sensory neuron → Motor neuron → Spinal cord
Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle
Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle
When the leaves of a Mimosa pudica plant are touched with a finger, they fold up quickly. This is an example of:
thigmonasty
photonasty
