Control and Co-ordination Biology - Control and Co-ordination

Name the disorder caused by under secretion of thyroxine in children.

Give examples of unconditional reflexes.

A child has low BMR, delayed puberty and mental retardation. Identify the disease.

Name the region of retina where rods and cones are absent.

A person is showing symptoms like increased BMR heart rate, blood pressure and deposition of fats in eyesockets. Name the disease he is suffering from.

Complete the given figure for the formation of spinal nerve and redraw with proper labels

Differentiate between Cerebrum and Cerebellum.

Draw a neat diagram of thyroid gland and label thyroid follicle, follicular cells and blood capillaries.

Redraw, complete and label the diagram given below, which relates to reflex arc

Give the location and one function of the following receptors
(i) Mechanoreceptors (ii) Statoacoustic receptors (iii) Baroreceptors

Describe T. S. of the spinal cord.

Sketch and label formation of typical spinal nerve.

Sketch and label anatomical structure of human eye.

(a) Differentiate between sympathetic and parasympathetic nervous system with reference to the following:
(i) Pre and post ganglionic nerve fibres.
(ii) Effect on heart beat..
(b) Give reason- All spinal nerves are of mixed type

Explain the properties of nerve fibres.

With the help of a neat and labelled diagram describe the anatomy of human eye'. Explain the mechanism of vision.

Enlist human endocrine glands.
Describe the T.S. of thyroid gland and add a note on deficiency of thyroxine

Describe the structure of cerebrum. Add a note on its functions.

With the help of a labelled diagram of lateral view of cerebrum, describe its structure and give any 'two' functions of cerebrum.

Describe functional areas of cerebrum with the help of neat and labelled diagram.

(a) Give any two functions of cerebellum.
(b) Write the names of any four motor cranial nerves with their appropriate serial number.
(c) Which hormones stimulate liver for glycogenesis and glucogenolysis?

State the names of hormone and glands secreting them:
(a) Growth of thyroid gland
(b) Controls tubular absorption of water in kidney.
(c) Stimulates liver and muscles for glycogenesis.
(d) Development of immune system and maturation of T-lymphocyte.

(a) Name the nerve fibres internally connecting the cerebral hemispheres.
(b) Name the sulci which divide each cerebral hemisphere into 4 lobes.
(c) Describe the various functional areas found in the different lobes of cerebral hemispheres.