Question

Nervousness can be infrequent, circumstantially bound problems to which problem react differently. Feeling nervous can be normal reaction to stressful, unknown circumstances. Whether you are waiting for the question paper or you are waiting for your turn to give a presentation before your class, you ought to be nervous. While the stimulation that gives rise to nervousness triggers the body changes that occurs because of an increase in stress hormones released by our body.
(i) Name the stress hormone and the gland by which it is secreted.
(ii) Mention any three physical changes that occur when you are nervous.
(iii) As a person, what suggestion will you advise others to reduce nervousness ?


CBSE Class X Science LA (5 Marks)

Answer 1

(i) Hormone – Adrenaline secreted by Adrenal gland.
(ii) Physical changes : (a) Sweating, restlessness, tension (b) Rapid heart beat (c) Breathlessness
(iii) Suggestion : Deep breathing is  the way by which we can get rid of negative feelings, and concentrate and visualise well.