RAINBOW
CLASS XII ENGLISH-Q&A RBSE SESSION 2018-19
Ans. The diseases
caused by stress are-
§
Cardio-vascular
disease
§
Depression
§
Anxiety
§
And
some types of diabetes mellitus.
Q.2 What is the reaction of our body
in the "fight or flight" system?
Ans. "Fight or
Flight" system is the activity of our sympathetic nervous system. In it,
the reaction of our body is in the form of sudden increase in heart rate, in
blood pressure and sweating shallow breathing and slowing down of metabolism.
Q.3 Why is cortisol is good for our
body?
Ans. Cortisol is a
hormone. It is considered good at normal levels. It is because it helps to
maintain the body active and healthy by regulating metabolism and blood
pressure. Efforts should be made to maintain cortisol active.
Q.4 How can parasympathetic nervous
system be activated?
Ans. The
parasympathetic nervous system becomes activated when the threat or stressor
has passed or ended.
Q.5 What does the practice of yoga
encourage?
Ans. The practice of
yoga encourages the person to lead a healthier life style. It develops the
self-awareness and discipline required for positive behaviour modification. It produces
optimism and courage in person.
Q.6 Write the importance of purity
of environment.
Ans. Purity of
environment is very essential for overall health. It provides peace of mind. We
need pure environment for physical and mental health.
Q.7 What are the powers of purity?
Ans. Purity is very
powerful virtue of us. It can purify an impure person. Evils run away in presence
of purity as darkness disappears in the presence of sunlight. Fools, villains
and criminals become gentle and obedient before a pure man.
Q.8 Why are most of the persons
unable to express their original opinion about a book?
Ans. Most persons are
unable to express their original opinion about a book because they read it just
to amuse themselves, to pass time. In one hour or two, they finish the whole
book are left with only a vague idea about it.
Q.9 What do we find when we re-read
a book?
Ans. When we re-read a
book, we find new meaning and new beauty in it. Such a book never becomes old
and is immortal. It tempts us to read it again more than we wanted to read in
the first time.
Q.10 What are the chief
characteristics of a scientific book?
Ans. A scientific book
if rich in information and knowledge. It is a work for hard study and is not
read simply for amusement. A scientific book has an amount of value that makes
it worth-reading.
