While playing cricket, the ball hit a boy`s head. He immediately vomited and felt difficulty to breath.
a) Identify the part of brain affected.
b) Give the function of the affected part.

Identify the following diseases noting the symptoms given below a) The liver is affected, skin and eyes turn yellow due to the deposit of bile pigments. b) Difficulty in breathing causing wheezing due to the inflammation of bronchi and bronchioles. c) Chronic disorder in which alveolar walls are damaged mainly due to cigarette smoking . d) Auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscles. e) Inflammation of joints due to deposition of uric acid crystals. f) Age related disorder due to decreased level of estrogen, characterised by decreased bone mass and increased chances of fractures.

In the anatomy lab. Eugin observed the following features in the T.S of a plant part. a) Radial and polyarch xylem bundles b) Parenchymatous (homogenous) cortex c) Large pith d) Epidermis with unicellular hairs e) Pericycle f) Endodermis with casparian strips. i) Identify the plant part. ii) Re-arrange the given regions from the periph-ery to the center in their correct sequence. iii) Give an account of casparian strips.